INTRODUCTION DEFINITION OF FLUID. U p F FLUID IS A SUBSTANCE THAT CAN NOT SUPPORT SHEAR FORCES OF ANY MAGNITUDE WITHOUT CONTINUOUS DEFORMATION


 Scot Craig
 2 years ago
 Views:
Transcription
1 INTRODUCTION DEFINITION OF FLUID plate solid F at t = 0 t > 0 = F/A plate U p F fluid t 0 t 1 t 2 t 3 FLUID IS A SUBSTANCE THAT CAN NOT SUPPORT SHEAR FORCES OF ANY MAGNITUDE WITHOUT CONTINUOUS DEFORMATION THE PROCESS OF CONTINUOUS DEFORMATION IS KNOWN AS FLOW OF FLUIDS Fluid Fluids cannot support tension eiter 1.01
2 SCOPE OF FLUID MECHANICS Civil Engineering Applications Utilitarian Water supply Energy production Transportation of fluids, of material, as waterways Mecanical Pipelines Hydraulic structures Fluvial ydraulics Coastal ydraulics Groundwater flow Wind forces on structures Sips, Cars, Fast Trains, Aeroplanes Macines, Industrial Plants Te circulatory system of uman body 1.02
3 CONCEPT OF CONTINUUM Actual molecular structure A ypotetical medium lim d m d Continuum assumption is te continuous distribution of matter in te flow field witout any discontinuity. A fluid particle is defined as te mass contained in te smallest fluid volume for wic te continuum assumption is not violated. 1.03
4 DESCRIBING PHYSICAL ENTITIES Qualitative description Quantitative description DIMENSIONS UNITS Quantity MLT FLT SI units PRIMARY Mass M FL 1 T 2 kg or Force MLT 2 F N Lengt L L m Time T T s Temperature C F ma DERIVED Area L 2 L 2 m 2 Velocity LT 1 LT 1 m/s Acceleration LT 2 LT 2 m/s 2 Force MLT 2 F N Pressure ML 1 T 2 FL 2 Pa Energy ML 2 T 2 FL Joule Power ML 2 T 3 FLT 1 Watt Angle 1 1 radian 1.04
5 PHYSICAL PROPERTIES OF FLUIDS Density, : Mass per unit volume, Specific Weigt, : Weigt per unit volume, = m/ []=ML 3 = W/ []=FL 3 Specific Gravity, SG: Te ratio of te density of te fluid to te density of water (or air) at standard conditions. (SG) liquid w (SG) gas air Density and Specific Weigts of some fluids (g=9.81m/s 2 ) Liquids Gases Fluid Temperature C Density kg/m 3 Specific Weigt N/m 3 Water Mercury Gasoline Alcool Air Oxygen Hydrogen Metane Note tat = g 1.05
6 Viscosity: S B B Δθ A y U p u(y) F Deformation of fluid for a sort time interval t U p F A or U p U p S lim t0 t lim t0 t lim t0 t d dt Tus d dt Sear stress is proportional to te rate of angular deformation 1.06
7 For te linear velocity profile U p u(y) y u(y) U p y du U d p dy dt Terefore du dy or du dy Newton s Law of viscosity Te proportionality constant is known as dynamic viscosity of te fluid. 2 FL du dy LT L 1 FL T ML T Viscosity can be made independent of fluid density; kinematic viscosity is defined as te ratio ML 1 ML T L T 1 Fluid Temperature (C) (Ns/m 2 ) (m 2 /s) Water E E06 Air E E
8 In general K du dy n=1 Newtonian fluids n1 NonNewtonian fluids n>1 Sear tickening n<1 Sear tinning n n<1 1 = 0 ideal fluid n>1 A typical variation of sear stress y U max dy (y) u(y) u(y) du w w Wall sear stress w du dy y0 Frictional drag force 1.08
9 Dynamic (absolute) viscosity of some common fluids as a function of temperature 1.09
10 Surface tension, Intermolecular Attraction Forces Coesive Forces (C) Liquid to liquid Gas to gas Adesive Forces (A) Liquid to solid Gas to liquid A>C Solid Gas Liquid Te intensity of te molecular attraction per unit lengt along any line on an interface is called te surface tension. 1 FL A>C Capillary effects C>A Capillary rise (wetting fluid) Capillary drop (nonwetting fluid) P atm z 2R 2cos R P atm 1.10
11 Vapor pressure, p v Vapor Water p Boiling occurs wen pp v Heat Vapor pressure for water Temperature C p v (kpa) =p atm p 3 Vapor pockets p 1 >p v p 2 p v p 3 >p v Cavitation 1.11
12 Compressibility of Fluids p=f/a A F dp 0 d/ 0 1 Bulk Modulus of Elasticity E v dp d/ 0 dp dρ /ρ Compressibility K d/ dp 0 dρ /ρ dp (E v ) water =2.15x10 9 Pa (STP) (E v ) air =1.42x10 5 Pa (STP) E steel =2.00x10 11 Pa 1.12
13 EXAMPLES Example 1.1 Calculate te velocity gradient and te sear stress for y=0, 0.1, and 0.5 m if te velocity profile of te flow is a parabola given by u = 50 (2yy 2 ), 0 y 1m were u is in (m/s) and y is in (m). Draw te sear stress distribution. Also calculate te frictional drag force of te fluid on te bottom boundary on an area of 10 m 2. Use dynamic viscosity =0.001 Pas. 1.E01
14 Example 1.2 A space =25 mm wide between two plane surfaces is filled wit crude oil at 20C for wic oil =7.18x103 Pas. Wat force is required to drag a very tin plate of 0.5 m 2 area between te surfaces at a speed of v=0.15 m/s. Assume linear velocity profile. a) If te plate remains equidistant from te two surfaces? b) If it is at a distance of 10 mm from one of te surfaces. Upper stationary plate F, V Lower stationary plate 1.E02
15 Example 1.3 Wen a torque T is applied to te saft, te disk A rotates wit a constant angular velocity Te fluid in between transmits tis torque T to te disk B. Wat will be te angular velocity 2 for te disk B? ω 1 Disk A ω 2 Disk B R 0 1.E03
16 Example 1.4 Two capillary tubes of different diameter are submerged into water as seen in te figure. Find te elevation difference of water between te two tubes. D 1 σ θ x D 2 σ θ E04
17 HOMEWORK PROBLEMS 1.1 If F=QU/g, were Q is discarge, is specific weigt, U is velocity and g is te gravitational acceleration, wat are te dimensions of F? 1.2 An expression for te volume rate of flow, Q flowing over a dam of lengt, B, is given by te equation Q=3.09 BH 3/2 were H is te dept of te water above te top of te dam (called as ead). Tis formula gives Q in ft 3 /s wen B and H are in feet. Is te constant, 3.09, dimensionless? Would tis equation be valid if units oter tan feet and seconds were used? 1.3 A liquid wen poured into a graduated cylinder is found to weig 6 N wen occupying a volume of 500 ml (milliliters). Determine its specific weigt, density and specific gravity. 1.4 A gas is compressed. Te measured volume and absolute pressure before compression are 0.30 m 3 and 50.7 kpa, respectively. After compression te volume and te pressure becomes m 3 and kpa, respectively. Wat is te compressibility and bulk modulus of elasticity of tis gas? 1.5 Develop an expression for te pressure variation in a liquid in wic te specific weigt increases wit dept,, as =K+o, were K is constant, o is te specific weigt at te free surface. 1.6 An 8kg flat block of metal slides down a = 20 inclined plane wile lubricated by a tin film of oil. Te contact area, A, is 0.2 m 2. Wat is te terminal velocity of te block? oil=0.29 Pa.s, t=2 mm. Contact area, A t 1.H01
18 1.7 Calculate te sear stress for y= 0, 3 and 6mm. If te velocity profile of te flow in an open cannel is given as, y u UmaxSin ( ) 2 were u is in (m/s) and y in (mm). Draw te sear stress distribution. =1.8*105 kg/m.s, δ=6 mm, Umax=10 m/s. y δ U max u=u maxsin( ) 1.8 A triangular saft is pulled in a triangular bearing ousing (see figure) at a constant velocity of 0.3 m/s. Find te force required to pull te saft, if te lengt of te saft is 2 m. Te viscosity of te lubricating oil filling te clearing between te saft and te ousing is =1x101 Ns/m 2. t1=t2=t3=1 mm, l =10 cm. t 2 60 t 1 60 Saft t 3 l oil 1.9 A 25 mmdiameter saft is pulled troug a cylindrical bearing as sown in te figure. Te lubricant tat fills te 0.3 mm gap between te saft and bearing is an oil aving a kinematic viscosity of 8x104 m 2 /s and a specific gravity of Determine te force P required to pull te saft at a velocity of 3 m/s. Assume te velocity distribution in te gap is linear. L=0.5 m. Bearing Saft Lubricant P L 1.H02
19 1.10 A torque of T=4 Nm is required to rotate te intermediate cylinder at =30 rad/min. Calculate te viscosity of te oil. All cylinders are 450 mm long. Neglect te end effects. R=0.15 m, t=0.003 m. R t t Te device sown consists of a disk tat is rotated by a saft. Te disk is positioned very close to a solid boundary. Between te disk and boundary tere is viscous oil. a) If te disk is rotated at a rate of 1 rad/s, wat will be te ratio of te sear stress in te oil at r=2 cm to te sear stress at r =3 cm? b) If te rate of rotation is 2 rad/s, wat is te tangential velocity of te oil in contact wit te disk at r=3 cm? c) If te oil viscosity is 0.01 N.s/m 2 and te spacing y is 2 mm, wat is te sear stress for te conditions noted in (b)? Disk r Oil y D A conical body is made to rotate at a constant speed of =42 rad/sec. A film of oil aving a viscosity of 0.5 poise (gr/cm.s) separates te cone from te container. Te film tickness, t, is cm. Wat torque is required to maintain tis motion? Te cone radius at te base, R, is 10 cm and cone as a lengt of =30 cm. t t R t oil 1.H03
20 1.13. Compute te torque T required to rotate a conical object at a constant angular speed. Te clearance between te object and te casing is constant in tickness () and filled wit oil of. ( =30), D oil Small droplets of carbon tetracloride at 68F are formed wit spray nozzle. If te average diameter of te droplets is 200 m wat is te difference in pressure between te inside and outside of te droplets? (=2.69x102 N/m for carbon tetracloride at 68F) 1.15 Water is filled between two parallel plates of infinite lengt, a distance d apart. Find te capillary rise between tese two plates, were surface tension angle of contact ddistance between plates unit weigt of water : capillary rise d d W 1.H04
Middle East Technical University Department of Mechanical Engineering ME 305 Fluid Mechanics I Fall 2018 Section 4 (Dr.
Reading Assignments Middle East Technical University Department of Mechanical Engineering ME 305 Fluid Mechanics I Fall 2018 Section 4 (Dr. Sert) Study Set 1 You can find the answers of some of the following
More informationHomework of chapter (1) (Solution)
بسم اهلل الرمحن الرحيم The Islamic University of Gaza, Civil Engineering Department, Fluid mechanicsdiscussion, Instructor: Dr. Khalil M. Al Astal T.A: Eng. Mohammed H El Nazli Eng. Sarah R Rostom First
More informationCHARACTERISTIC OF FLUIDS. A fluid is defined as a substance that deforms continuously when acted on by a shearing stress at any magnitude.
CHARACTERISTIC OF FLUIDS A fluid is defined as a substance that deforms continuously when acted on by a shearing stress at any magnitude. In a fluid at rest, normal stress is called pressure. 1 Dimensions,
More informationFluids and their Properties
Chapter (1) Fluids and their Properties Dr. KHALIL MAHMOUD ALASTAL Eng.Mohammed AbuRahma Eng.Reem Sbaih 2017 Newton s Law of Viscosity:  / NonNewtonian Fluids:  Mass Density:  / Specific weight: 
More informationCHAPTER 1 Fluids and their Properties
FLUID MECHANICS Gaza CHAPTER 1 Fluids and their Properties Dr. Khalil Mahmoud ALASTAL Objectives of this Chapter: Define the nature of a fluid. Show where fluid mechanics concepts are common with those
More informationP = 1 3 (σ xx + σ yy + σ zz ) = F A. It is created by the bombardment of the surface by molecules of fluid.
CEE 3310 Thermodynamic Properties, Aug. 27, 2010 11 1.4 Review A fluid is a substance that can not support a shear stress. Liquids differ from gasses in that liquids that do not completely fill a container
More informationMM303 FLUID MECHANICS I PROBLEM SET 1 (CHAPTER 2) FALL v=by 2 =6 (1/2) 2 = 3/2 m/s
MM303 FLUID MECHANICS I PROBLEM SET 1 (CHAPTER ) FALL 018 1) For the velocity fields given below, determine: i) Whether the flow field is one, two, or threedimensional, and why. ii) Whether the flow
More informationIntroduction to Marine Hydrodynamics
1896 1920 1987 2006 Introduction to Marine Hydrodynamics (NA235) Department of Naval Architecture and Ocean Engineering School of Naval Architecture, Ocean & Civil Engineering First Assignment The first
More informationLecturer, Department t of Mechanical Engineering, SVMIT, Bharuch
Fluid Mechanics By Ashish J. Modi Lecturer, Department t of Mechanical Engineering, i SVMIT, Bharuch Review of fundamentals Properties of Fluids Introduction Any characteristic of a system is called a
More informationHomework 1. Problem 1 Browse the 331 website to answer: When you should use data symbols on a graph. (Hint check out lab reports...
Homework 1 Problem 1 Browse te 331 website to answer: Wen you sould use data symbols on a grap. (Hint ceck out lab reports...) Solution 1 Use data symbols to sow data points unless tere is so muc data
More informationFluid Mechanics Introduction
Fluid Mechanics Introduction Fluid mechanics study the fluid under all conditions of rest and motion. Its approach is analytical, mathematical, and empirical (experimental and observation). Fluid can be
More informationWe may have a general idea that a solid is hard and a fluid is soft. This is not satisfactory from
Chapter 1. Introduction 1.1 Some Characteristics of Fluids We may have a general idea that a solid is hard and a fluid is soft. This is not satisfactory from scientific or engineering point of view. In
More informationFluid Properties and Units
Fluid Properties and Units CVEN 311 Continuum Continuum All materials, solid or fluid, are composed of molecules discretely spread and in continuous motion. However, in dealing with fluidflow flow relations
More informationR09. d water surface. Prove that the depth of pressure is equal to p +.
Code No:A109210105 R09 SET1 B.Tech II Year  I Semester Examinations, December 2011 FLUID MECHANICS (CIVIL ENGINEERING) Time: 3 hours Max. Marks: 75 Answer any five questions All questions carry equal
More informationFluid Mechanics61341
AnNajah National University College of Engineering Fluid Mechanics61341 Chapter [1] Fundamentals 1 The Book (Elementary Fluid Mechanics by Street, Watters and Vennard) Each chapter includes: Concepts
More informationLiquids and solids are essentially incompressible substances and the variation of their density with pressure is usually negligible.
Properties of Fluids Intensive properties are those that are independent of the mass of a system i.e. temperature, pressure and density. Extensive properties are those whose values depend on the size of
More informationPetroleum Engineering Dept. Fluid Mechanics Second Stage Dr. Ahmed K. Alshara
Continents Chapter 1. Fluid Mechanics Properties of fluids Density, specific gravity, specific volume and Viscosity Newtonian and non Newtonian fluids Surface tension Compressibility Pressure Cavitations
More informationChapter 1 Fluid Characteristics
Chapter 1 Fluid Characteristics 1.1 Introduction 1.1.1 Phases Solid increasing increasing spacing and intermolecular liquid latitude of cohesive Fluid gas (vapor) molecular force plasma motion 1.1.2 Fluidity
More information1. Introduction, fluid properties (1.1, 2.8, 4.1, and handouts)
1. Introduction, fluid properties (1.1, 2.8, 4.1, and handouts) Introduction, general information Course overview Fluids as a continuum Density Compressibility Viscosity Exercises: A1 Fluid mechanics Fluid
More informationA drop forms when liquid is forced out of a small tube. The shape of the drop is determined by a balance of pressure, gravity, and surface tension
A drop forms when liquid is forced out of a small tube. The shape of the drop is determined by a balance of pressure, gravity, and surface tension forces. 2 Objectives 3 i i 2 1 INTRODUCTION Property:
More informationAMME2261: Fluid Mechanics 1 Course Notes
Module 1 Introduction and Fluid Properties Introduction Matter can be one of two states: solid or fluid. A fluid is a substance that deforms continuously under the application of a shear stress, no matter
More informationBFC FLUID MECHANICS BFC NOOR ALIZA AHMAD
BFC 10403 FLUID MECHANICS CHAPTER 1.0: Principles of Fluid 1.1 Introduction to Fluid Mechanics 1.2 Thermodynamic Properties of a Fluid: Density, specific weight, specific gravity, viscocity (kelikatan)berat
More informationCE 6303 MECHANICS OF FLUIDS L T P C QUESTION BANK 3 0 0 3 UNIT I FLUID PROPERTIES AND FLUID STATICS PART  A 1. Define fluid and fluid mechanics. 2. Define real and ideal fluids. 3. Define mass density
More informationPrediction of Coating Thickness
Prediction of Coating Tickness Jon D. Wind Surface Penomena CE 385M 4 May 1 Introduction Tis project involves te modeling of te coating of metal plates wit a viscous liquid by pulling te plate vertically
More informationHYDRAULICS STAFF SELECTION COMMISSION CIVIL ENGINEERING STUDY MATERIAL HYDRAULICS
1 STAFF SELECTION COMMISSION CIVIL ENGINEERING STUDY MATERIAL Syllabus Hydraulics ( Fluid Mechanics ) Fluid properties, hydrostatics, measurements of flow, Bernoulli's theorem and its application, flow
More informationPetroleum Engineering Department Fluid Mechanics Second Stage Assist Prof. Dr. Ahmed K. Alshara
Continents Petroleum Engineering Department Fluid Mechanics Second Stage Assist Prof. Dr. Ahmed K. Alshara Chapter 1. Fluid Mechanics Properties of fluids Density, specific gravity, specific volume and
More informationFE Fluids Review March 23, 2012 Steve Burian (Civil & Environmental Engineering)
Topic: Fluid Properties 1. If 6 m 3 of oil weighs 47 kn, calculate its specific weight, density, and specific gravity. 2. 10.0 L of an incompressible liquid exert a force of 20 N at the earth s surface.
More informationCOURSE NUMBER: ME 321 Fluid Mechanics I. Fluid: Concept and Properties
COURSE NUMBER: ME 321 Fluid Mechanics I Fluid: Concept and Properties Course teacher Dr. M. Mahbubur Razzaque Professor Department of Mechanical Engineering BUET 1 What is Fluid Mechanics? Fluid mechanics
More informationUNIVERSITY OF SASKATCHEWAN Department of Physics and Engineering Physics
UNIVERSITY O SASKATCHEWAN Department of Pysics and Engineering Pysics Pysics 117.3 MIDTERM EXAM Regular Sitting NAME: (Last) Please Print (Given) Time: 90 minutes STUDENT NO.: LECTURE SECTION (please ceck):
More informationPROPERTIES OF FLUIDS
Unit  I Chapter  PROPERTIES OF FLUIDS Solutions of Examples for Practice Example.9 : Given data : u = y y, = 8 Poise = 0.8 Pas To find : Shear stress. Step  : Calculate the shear stress at various
More informationWelcome to MECH 280. Ian A. Frigaard. Department of Mechanical Engineering, University of British Columbia. Mech 280: Frigaard
Welcome to MECH 280 Ian A. Frigaard Department of Mechanical Engineering, University of British Columbia Lectures 1 & 2: Learning goals/concepts: What is a fluid Apply continuum hypothesis Stress and viscosity
More informationGrade: 11 International Physics Olympiad Qualifier Set: 2
Grade: 11 International Pysics Olympiad Qualifier Set: 2  Max Marks: 60 Test ID: 12111 Time
More informationHomework Assignment on Fluid Statics
AMEE 0 Introduction to Fluid Mecanics Instructor: Marios M. Fyrillas Email: m.fyrillas@fit.ac.cy Homework Assignment on Fluid Statics 
More informationThe online of midtermtests of Fluid Mechanics 1
The online of midtermtests of Fluid Mechanics 1 1) The information on a can of pop indicates that the can contains 460 ml. The mass of a full can of pop is 3.75 lbm while an empty can weights 80.5 lbf.
More informationPart II Fundamentals of Fluid Mechanics By Munson, Young, and Okiishi
Part II Fundamentals of Fluid Mechanics By Munson, Young, and Okiishi WHAT we will learn I. Characterization of Fluids  What is the fluid? (Physical properties of Fluid) II. Behavior of fluids  Fluid
More information1.060 Engineering Mechanics II Spring Problem Set 1
1.060 Engineering Mechanics II Spring 2006 Due on Tuesday, February 21st Problem Set 1 Important note: Please start a new sheet of paper for each problem in the problem set. Write the names of the group
More informationLecture 3. Properties of Fluids 11/01/2017. There are thermodynamic properties of fluids like:
11/01/2017 Lecture 3 Properties of Fluids There are thermodynamic properties of fluids like: Pressure, p (N/m 2 ) or [ML 1 T 2 ], Density, ρ (kg/m 3 ) or [ML 3 ], Specific weight, γ = ρg (N/m 3 ) or
More informationUniversity of Hail Faculty of Engineering DEPARTMENT OF MECHANICAL ENGINEERING. ME Fluid Mechanics Lecture notes. Chapter 1
University of Hail Faculty of Engineering DEPARTMENT OF MECHANICAL ENGINEERING ME 311  Fluid Mechanics Lecture notes Chapter 1 Introduction and fluid properties Prepared by : Dr. N. Ait Messaoudene Based
More informationNotes: Most of the material in this chapter is taken from Young and Freedman, Chap. 12.
Capter 6. Fluid Mecanics Notes: Most of te material in tis capter is taken from Young and Freedman, Cap. 12. 6.1 Fluid Statics Fluids, i.e., substances tat can flow, are te subjects of tis capter. But
More informationFigure 3: Problem 7. (a) 0.9 m (b) 1.8 m (c) 2.7 m (d) 3.6 m
1. For the manometer shown in figure 1, if the absolute pressure at point A is 1.013 10 5 Pa, the absolute pressure at point B is (ρ water =10 3 kg/m 3, ρ Hg =13.56 10 3 kg/m 3, ρ oil = 800kg/m 3 ): (a)
More informationClass Notes Fall 2014
57:020 Fluid Mechanics Class Notes Fall 2014 Prepared by: Professor Fred Stern Typed by: Stephanie Schrader (Fall 1999) Corrected by: Jun Shao (Fall 2003, Fall 2005) Corrected by: Jun Shao, Tao Xing (Fall
More informationFluid Mechanics II Viscosity and shear stresses
Fluid Mechanics II Viscosity and shear stresses Shear stresses in a Newtonian fluid A fluid at rest can not resist shearing forces. Under the action of such forces it deforms continuously, however small
More informationWhat s important: viscosity Poiseuille's law Stokes' law Demo: dissipation in flow through a tube
PHYS 101 Lecture 29x  Viscosity 29x  1 Lecture 29x Viscosity (extended version) What s important: viscosity Poiseuille's law Stokes' law Demo: dissipation in flow through a tube Viscosity We introduced
More information2 NavierStokes Equations
1 Integral analysis 1. Water enters a pipe bend horizontally with a uniform velocity, u 1 = 5 m/s. The pipe is bended at 90 so that the water leaves it vertically downwards. The input diameter d 1 = 0.1
More informationME 262 BASIC FLUID MECHANICS Assistant Professor Neslihan Semerci Lecture 4. (Buoyancy and Viscosity of water)
ME 262 BASIC FLUID MECHANICS Assistant Professor Neslihan Semerci Lecture 4 (Buoyancy and Viscosity of water) 16. BUOYANCY Whenever an object is floating in a fluid or when it is completely submerged in
More informationPart 2: Introduction to OpenChannel Flow SPRING 2005
Part : Introduction to OpenCannel Flow SPRING 005. Te Froude number. Total ead and specific energy 3. Hydraulic jump. Te Froude Number Te main caracteristics of flows in open cannels are tat: tere is
More informationFluid Mechanics Discussion. Prepared By: Dr.Khalil M. AlAstal Eng.Ahmed S. AlAgha Eng.Ruba M. Awad
Discussion Prepared By: Dr.Khalil M. AlAstal Eng.Ahmed S. AlAgha Eng.Ruba M. Awad 20142015 Chapter (1) Fluids and their Properties Fluids and their Properties Fluids (Liquids or gases) which a substance
More informationUNIT I FLUID PROPERTIES AND STATICS
SIDDHARTH GROUP OF INSTITUTIONS :: PUTTUR Siddharth Nagar, Narayanavanam Road 517583 QUESTION BANK (DESCRIPTIVE) Subject with Code : Fluid Mechanics (16CE106) Year & Sem: IIB.Tech & ISem Course & Branch:
More informationCE MECHANICS OF FLUIDS UNIT I
CE 6303 MECHANICS OF FLUIDS UNIT I 1. Define specific volume of a fluid and write its unit [N/D14][M/J11] Volume per unit mass of a fluid is called specific volume. Unit: m3 / kg. 2. Name the devices
More information1. The Properties of Fluids
1. The Properties of Fluids [This material relates predominantly to modules ELP034, ELP035] 1.1 Fluids 1.1 Fluids 1.2 Newton s Law of Viscosity 1.3 Fluids Vs Solids 1.4 Liquids Vs Gases 1.5 Causes of viscosity
More informationCHARACTERISTIC OF FLUIDS. A fluid is defined as a substance that deforms continuously when acted on by a shearing stress at any magnitude.
CHARACTERISTIC OF FLUIDS A fluid is defined as a substance that deforms continuously when acted on by a shearing stress at any magnitude. In a fluid at rest, normal stress is called pressure. 1 Dimensions,
More informationChapter 1 INTRODUCTION
Chapter 1 INTRODUCTION 11 The Fluid. 12 Dimensions. 13 Units. 14 Fluid Properties. 1 11 The Fluid: It is the substance that deforms continuously when subjected to a shear stress. Matter Solid Fluid
More informationProblem Solving. Problem Solving Process
Problem Solving One of te primary tasks for engineers is often solving problems. It is wat tey are, or sould be, good at. Solving engineering problems requires more tan just learning new terms, ideas and
More informationMiddle East Technical University Department of Mechanical Engineering ME 305 Fluid Mechanics I Fall 2018 Section 4 (Dr.
Middle East Technical University Department of Mechanical Engineering ME 305 Fluid Mechanics I Fall 2018 Section 4 (Dr. Sert) Study Set 7 Reading Assignment R1. Read the section Common Dimensionless Groups
More informationTheoretical Analysis of Flow Characteristics and Bearing Load for Massproduced External Gear Pump
TECHNICAL PAPE Teoretical Analysis of Flow Caracteristics and Bearing Load for Massproduced External Gear Pump N. YOSHIDA Tis paper presents teoretical equations for calculating pump flow rate and bearing
More informationChapter 5(Section1) Friction in Solids and Liquids
Chapter 5(Section1) Friction in Solids and Liquids Que 1: Define friction. What are its causes? Ans : Friction: When two bodies are in contact with each other and if one body is made to move then the
More informationFRIDAYS 14:00 to 15:40. FRIDAYS 16:10 to 17:50
Brad Peterson, P.E. FRIDAYS 14:00 to 15:40 FRIDAYS 16:10 to 17:50 BRAD PETERSON, P.E., PTOE Brigham Young University, 1975 Highway and Bridge Design Montana, Utah, Idaho, Wyoming Worked 27 Years in Helena,
More informationMECHANICAL PROPERTIES OF FLUIDS
CHAPTER10 MECHANICAL PROPERTIES OF FLUIDS QUESTIONS 1 marks questions 1. What are fluids? 2. How are fluids different from solids? 3. Define thrust of a liquid. 4. Define liquid pressure. 5. Is pressure
More informationFluid Mechanics Abdusselam Altunkaynak
Fluid Mechanics Abdusselam Altunkaynak 1. Unit systems 1.1 Introduction Natural events are independent on units. The unit to be used in a certain variable is related to the advantage that we get from it.
More informationME3250 Fluid Dynamics I
ME3250 Fluid Dynamics I Section I, Fall 2012 Instructor: Prof. Zhuyin Ren Department of Mechanical Engineering University of Connecticut Course Information Website: http://www.engr.uconn.edu/~rzr11001/me3250_f12/
More informationFluid Engineering Mechanics
Fluid Engineering Mechanics Chapter Fluid Properties: Density, specific volume, specific weight, specific gravity, compressibility, viscosity, measurement of viscosity, Newton's equation of viscosity,
More informationChapter 1 Fluid Proper2es. CE Fluid Mechanics Diogo Bolster
Chapter 1 Fluid Proper2es CE30460  Fluid Mechanics Diogo Bolster What is a Fluid? A substance that deforms con2nuously when acted on by a shearing stress A solid will deform to a certain point for a given
More informationINSTITUTE OF AERONAUTICAL ENGINEERING Dundigal, Hyderabad AERONAUTICAL ENGINEERING QUESTION BANK : AERONAUTICAL ENGINEERING.
Course Name Course Code Class Branch INSTITUTE OF AERONAUTICAL ENGINEERING Dundigal, Hyderabad  00 0 AERONAUTICAL ENGINEERING : Mechanics of Fluids : A00 : III B. Tech Year : 0 0 Course Coordinator
More informationCHAPTER 1 Basic Considerations
CHAPTER Basic Considerations FEtype Exam Review Problems: Problems. to. Chapter / Basic Considerations. (C) m = F/a or kg = N/m/s = N s /m. (B) [μ] = [τ/(/dy)] = (F/L )/(L/T)/L = F. T/L. (A) 8 9.6 0 Pa
More informationSection A 01. (12 M) (s 2 s 3 ) = 313 s 2 = s 1, h 3 = h 4 (s 1 s 3 ) = kj/kgk. = kj/kgk. 313 (s 3 s 4f ) = ln
0. (a) Sol: Section A A refrigerator macine uses R as te working fluid. Te temperature of R in te evaporator coil is 5C, and te gas leaves te compressor as dry saturated at a temperature of 40C. Te mean
More informationFluid Dynamics Exam #1: Introduction, fluid statics, and the Bernoulli equation March 2, 2016, 7:00 p.m. 8:40 p.m. in CE 118
CVEN 311501 (Socolofsky) Fluid Dynamics Exam #1: Introduction, fluid statics, and the Bernoulli equation March 2, 2016, 7:00 p.m. 8:40 p.m. in CE 118 Name: : UIN: : Instructions: Fill in your name and
More information6. Nonuniform bending
. Nonuniform bending Introduction Definition A nonuniform bending is te case were te crosssection is not only bent but also seared. It is known from te statics tat in suc a case, te bending moment in
More information3. Using your answers to the two previous questions, evaluate the Mratio
MASSACHUSETTS INSTITUTE OF TECHNOLOGY DEPARTMENT OF MECHANICAL ENGINEERING CAMBRIDGE, MASSACHUSETTS 0219 2.002 MECHANICS AND MATERIALS II HOMEWORK NO. 4 Distributed: Friday, April 2, 2004 Due: Friday,
More information1 FLUIDS AND THEIR PROPERTIES
FLUID MECHANICS CONTENTS CHAPTER DESCRIPTION PAGE NO 1 FLUIDS AND THEIR PROPERTIES PART A NOTES 1.1 Introduction 1.2 Fluids 1.3 Newton s Law of Viscosity 1.4 The Continuum Concept of a Fluid 1.5 Types
More information232 Calculus and Structures
3 Calculus and Structures CHAPTER 17 JUSTIFICATION OF THE AREA AND SLOPE METHODS FOR EVALUATING BEAMS Calculus and Structures 33 Copyrigt Capter 17 JUSTIFICATION OF THE AREA AND SLOPE METHODS 17.1 THE
More informations and FE X. A. Flow measurement B. properties C. statics D. impulse, and momentum equations E. Pipe and other internal flow 7% of FE Morning Session I
Fundamentals of Engineering (FE) Exam General Section Steven Burian Civil & Environmental Engineering October 26, 2010 s and FE X. A. Flow measurement B. properties C. statics D. impulse, and momentum
More informationDIMENSIONS AND UNITS
DIMENSIONS AND UNITS A dimension is the measure by which a physical variable is expressed quantitatively. A unit is a particular way of attaching a number to the quantitative dimension. Primary Dimension
More informationWork and Energy. Introduction. Work. PHY energy  J. Hedberg
Work and Energy PHY 207  energy  J. Hedberg  2017 1. Introduction 2. Work 3. Kinetic Energy 4. Potential Energy 5. Conservation of Mecanical Energy 6. Ex: Te Loop te Loop 7. Conservative and Nonconservative
More informationDimensional Analysis
Mathematical Modeling Lia Vas Dimensional Analysis One of the key steps in the process of mathematical modeling is to determine the relationship between the variables. Considering the dimensions of those
More informationChapter 9: Solids and Fluids
Chapter 9: Solids and Fluids State of matters: Solid, Liquid, Gas and Plasma. Solids Has definite volume and shape Can be crystalline or amorphous Molecules are held in specific locations by electrical
More informationFluid Dynamics for Ocean and Environmental Engineering Homework #2 Viscous Flow
OCEN 678600 Fluid Dynamics for Ocean and Environmental Engineering Homework #2 Viscous Flow Date distributed : 9.18.2005 Date due : 9.29.2005 at 5:00 pm Return your solution either in class or in my mail
More informationLaboratory 9: The Viscosity of Liquids
Laboratory 9: The Viscosity of Liquids Introduction The essential difference between solids and fluids lies in the nature of their response to the socalled shearing stress. In solids, an elastic force
More informationTOPICS. Density. Pressure. Variation of Pressure with Depth. Pressure Measurements. Buoyant ForcesArchimedes Principle
Lecture 6 Fluids TOPICS Density Pressure Variation of Pressure with Depth Pressure Measurements Buoyant ForcesArchimedes Principle Surface Tension ( External source ) Viscosity ( External source ) Equation
More information2, where dp is the constant, R is the radius of
Dynamics of Viscous Flows (Lectures 8 to ) Q. Choose the correct answer (i) The average velocity of a onedimensional incompressible fully developed viscous flow between two fixed parallel plates is m/s.
More informationSteven Burian Civil & Environmental Engineering September 25, 2013
Fundamentals of Engineering (FE) Exam Mechanics Steven Burian Civil & Environmental Engineering September 25, 2013 s and FE Morning ( Mechanics) A. Flow measurement 7% of FE Morning B. properties Session
More informationMECHANICAL PROPERTIES OF FLUIDS:
Important Definitions: MECHANICAL PROPERTIES OF FLUIDS: Fluid: A substance that can flow is called Fluid Both liquids and gases are fluids Pressure: The normal force acting per unit area of a surface is
More informationS.E. (Mech.) (First Sem.) EXAMINATION, (Common to Mech/Sandwich) FLUID MECHANICS (2008 PATTERN) Time : Three Hours Maximum Marks : 100
Total No. of Questions 12] [Total No. of Printed Pages 8 Seat No. [4262]113 S.E. (Mech.) (First Sem.) EXAMINATION, 2012 (Common to Mech/Sandwich) FLUID MECHANICS (2008 PATTERN) Time : Three Hours Maximum
More informationNicholas J. Giordano. Chapter 10 Fluids
Nicholas J. Giordano www.cengage.com/physics/giordano Chapter 10 Fluids Fluids A fluid may be either a liquid or a gas Some characteristics of a fluid Flows from one place to another Shape varies according
More informationSample Problems for Exam II
Sample Problems for Exam 1. Te saft below as lengt L, Torsional stiffness GJ and torque T is applied at point C, wic is at a distance of 0.6L from te left (point ). Use Castigliano teorem to Calculate
More informationChapters 19 & 20 Heat and the First Law of Thermodynamics
Capters 19 & 20 Heat and te First Law of Termodynamics Te Zerot Law of Termodynamics Te First Law of Termodynamics Termal Processes Te Second Law of Termodynamics Heat Engines and te Carnot Cycle Refrigerators,
More informationSection 15.6 Directional Derivatives and the Gradient Vector
Section 15.6 Directional Derivatives and te Gradient Vector Finding rates of cange in different directions Recall tat wen we first started considering derivatives of functions of more tan one variable,
More informationChapter 10  Mechanical Properties of Fluids. The blood pressure in humans is greater at the feet than at the brain
Question 10.1: Explain why The blood pressure in humans is greater at the feet than at the brain Atmospheric pressure at a height of about 6 km decreases to nearly half of its value at the sea level, though
More informationFluid Mechanics Testbank By David Admiraal
Fluid Mechanics Testbank By David Admiraal This testbank was created for an introductory fluid mechanics class. The primary intentions of the testbank are to help students improve their performance on
More informationPractice Problem Solutions: Exam 1
Practice Problem Solutions: Exam 1 1. (a) Algebraic Solution: Te largest term in te numerator is 3x 2, wile te largest term in te denominator is 5x 2 3x 2 + 5. Tus lim x 5x 2 2x 3x 2 x 5x 2 = 3 5 Numerical
More informationENGR 292 Fluids and Thermodynamics
ENGR 292 Fluids and Thermodynamics Scott Li, Ph.D., P.Eng. Mechanical Engineering Technology Camosun College Jan.13, 2017 Review of Last Class Course Outline Class Information Contact Information, Website
More informationMULTIPLECHOICE PROBLEMS:(Two marks per answer) (Circle the Letter Beside the Most Correct Answer in the Questions Below.)
MULTIPLECHOICE PROLEMS:(Two marks per answer) (Circle the Letter eside the Most Correct Answer in the Questions elow.) 1. The absolute viscosity µ of a fluid is primarily a function of: a. Density. b.
More informationFigure 1 Answer: = m
Q1. Figure 1 shows a solid cylindrical steel rod of length =.0 m and diameter D =.0 cm. What will be increase in its length when m = 80 kg block is attached to its bottom end? (Young's modulus of steel
More informationBSL Transport Phenomena 2e Revised: Chapter 2  Problem 2B.11 Page 1 of 5
BS Transport Phenomena 2e Revised: Chapter 2  Problem 2B11 Page 1 of 5 Problem 2B11 The coneandplate viscometer (see Fig 2B11 A coneandplate viscometer consists of a flat plate and an inverted cone,
More informationREE Internal Fluid Flow Sheet 2  Solution Fundamentals of Fluid Mechanics
REE 307  Internal Fluid Flow Sheet 2  Solution Fundamentals of Fluid Mechanics 1. Is the following flows physically possible, that is, satisfy the continuity equation? Substitute the expressions for
More informationIran University of Science & Technology School of Mechanical Engineering Advance Fluid Mechanics
1. Consider a sphere of radius R immersed in a uniform stream U0, as shown in 3 R Fig.1. The fluid velocity along streamline AB is given by V ui U i x 1. 0 3 Find (a) the position of maximum fluid acceleration
More informationFilm thickness Hydrodynamic pressure Liquid saturation pressure or dissolved gases saturation pressure. dy. Mass flow rates per unit length
NOTES DERITION OF THE CLSSICL REYNOLDS EQTION FOR THIN FIL FLOWS Te lecture presents te derivation of te Renolds equation of classical lubrication teor. Consider a liquid flowing troug a tin film region
More informationExam in Fluid Mechanics SG2214
Exam in Fluid Mecanics G2214 Final exam for te course G2214 23/10 2008 Examiner: Anders Dalkild Te point value of eac question is given in parentesis and you need more tan 20 points to pass te course including
More informationLubrication and Journal Bearings
UNIVERSITY OF HAIL College of Engineering Department of Mechanical Engineering Chapter 12 Lubrication and Journal Bearings Text Book : Mechanical Engineering Design, 9th Edition Dr. Badreddine AYADI 2016
More informationFluid Mechanics 3502 Day 1, Spring 2018
Instructor Fluid Mechanics 3502 Day 1, Spring 2018 Dr. Michele Guala, Civil Eng. Department UMN Office hours: (Tue ?) CEGE 162 9:3010:30? Tue Thu CEGE phone (612) 6267843 (Mon,Wed,Fr) SAFL, 2 third
More informationNonNewtonian fluids is the fluids in which shear stress is not directly proportional to deformation rate, such as toothpaste,
CHAPTER1: Basic Definitions, Zeroth, First, and Second Laws of Thermodynamics 1.1. Definitions What does thermodynamic mean? It is a Greeks word which means a motion of the heat. Water is a liquid substance
More information