CONCEPTS AND DEFINITIONS. Prepared by Engr. John Paul Timola

Size: px
Start display at page:

Transcription

1 CONCEPTS AND DEFINITIONS Prepared by Engr. John Paul Timola

2 ENGINEERING THERMODYNAMICS Science that involves design and analysis of devices and systems for energy conversion Deals with heat and work and those substances related to heat and work

3 Working Substance Fluid in which energy can be stored or from which energy can be removed Function is to receive, transport, or disperse heat, work, or energy Examples: Steam in a steam turbine Air in an air compressor

4 Thermodynamic System Matter or region of space which we consider or analyze

5 Surroundings Everything external to the system

6 Boundary Interface between the system and its surroundings Usually represented in a diagram by broken lines

7 Closed System Or control mass System where no mass can cross its boundary Only energy can enter and leave Example Gas inside a closed balloon Gas trapped in a cylinder by movable piston

8 Open System Or control volume Permits both mass and energy across its boundary Example Jet engine Window air conditioner

9 Identify the working substance, specify the kind of system, and sketch the system boundary. Example: Nitrogen, at a pressure of 200 kpa and a temperature of 25 C, flows at a velocity of 20 m/s through a pipe with a diameter of 35 mm. 1. Liquid water enters a pump at 25 C, 100 kpa and exits at a pressure of 5 MPa. 2. A compressor receives ambient air at 95 kpa, 20 C, with a low velocity. At the compressor discharge, air exists at 1.14 kpa, 380 C, with a velocity of 110 m/sec. 3. Steam enters a turbine at 300 C and is exhausted at 20 kpa.

10 Thermodynamic Property Any measurable characteristic of a system Quantity whose numerical value depends on the state of a system Examples: pressure, temperature, volume, specific volume

11 Extensive Property Property that depends on the amount of mass or material in a system Examples: Mass, total volume

12 Intensive Property Property that is independent of the size or the amount of mass or material in a system Examples: Specific volume, temperature, pressure density

13 Some Observable Properties Density Mass of substance per unit volume m kg lb [, m ] 3 3 V m ft where : m mass V volume

14 Specific Volume Volume per unit mass 3 3 V m ft [, ] m kg lb m where : m mass V volume

15 Specific Weight Weight of a substance per unit volume W kn N lbf = g [,, ] V m m ft where : W weight [ kn, N, lb ] g acceleration due to gravity at sea level m sec 2 f ft sec 2

16 Weight Force of gravity on a substance W mg [ kn, N, lb f ]

17 Specific Gravity Ratio of the specific weight of a substance to the specific weight of water SG Note: H2O 2 H O At 4 and kpa, H O g kg kn H O 3 cm m m 2 2

18 Example 1 Two cubic meters of air at 25 C and 1 bar has a mass of 2.34 kg a) List the values of three intensive properties and two extensive properties for this system b) If the local gravity is 9.65 m/s 2, evaluate the specific weight of the system

19 Example 2 An object has a mass of 10 kg. Calculate the following quantities: a) Weight of the object at sea level b) Weight of the object at a location where g = 9.4 m/s 2

20 Fill in the missing quantities 1. m = 3 kg V = 6 m3 υ = ρ = 2. m = 4 lb V = υ = 0.33 ft 3 /lb ρ = 3. m = V = 2 m 3 υ = 0.10 ft 3 /lb ρ =

21 Pressure Normal force per unit area Acting on the surface of a system F kg p [ kpa,, psi ] 3 A cm where : F normal force [ kn, N, kg, lb ] A area [ m, cm, ft,in ] f f

22 Pressure Measuring Devices Bourdon gauges Simple mechanical devices calibrated to read pressure directly by the movement of a needle attached to a hollow tube connected to a pressurized container

23 Pressure Measuring Devices Manometer Uses the height of a fluid column barometer p h gh gauge where : density of measuring liquid h height of column liquid

24 Absolute Pressure Actual pressure at a given position in a system

25 Gauge Pressure Difference of the absolute pressure and atmospheric pressure

26 Vacuum If a fluid exists at a pressure lower than the atmospheric pressure, its gauge pressure is negative The term vacuum is applied to the magnitude of the gauge pressure for convenience

27

28 Notes for Pressure p abs = p atm + p gauge = p atm p vacuum 2 1 pascal ( Pa) 1 N / m bar 10 N / m 1 atm 760 mm Hg 101,325 Pa 14.7psi

29 Example A manometer is attached to a pressurized container. One end of the manometer is open to the atmosphere and the local atmospheric pressure is 760 mm Hg. The height of the manometer fluid is 42 cm and the fluid has a specific gravity of 1.6. Calculate the absolute pressure on the inside surface of the container.

30 Fill in the missing quantity 1. Force = 400 N Area = 14 m 2 Pressure = 2. Force = Area = 12 ft 2 Pressure = 100 lb m /ft 2 3. Force = 10 kn Area = Pressure = 60 kpa

31 Temperature Measure of the hotness or coldness of a substance 9 F C 32 5 C 5 ( F 32) 9 R F R 460 K C K 5

32 Convert F to C F to K R to C

33 State Condition of a system as indicated by its properties

34 Process Progress of a system proceeding from an initial state to a final state

35 Internally Reversible Process Or Quasi-Equilibrium An ideal process in which a system remains infinitesimally close to equilibrium condition throughout the process

36 Isothermal Process Process in which temperature remain constant

37 Isobaric Process Process in which pressure remain constant

38 Isochoric Process Also known as Isometric process Process in which volume remain constant

39 Adiabatic Process Process in which there is no heat transfer across the boundary of the system

40 Cycle Process or series of processes whose initial and final values are identical

41 Point Function Quantity whose value at any state is independent of the path or process used to reach that state Examples: pressure, temperature, specific volume, entropy, enthalpy

42 Path Function Also known as Process function Quantity whose value depends on the path followed during a particular change in state Examples: work and heat

43 Test Your Self 1. The condition of a system as indicated by its properties is its. 2. The progress of a system proceeding from an initial state to a final state is called. 3. The process in which volume remain constant is the. 4. The process or series of processes whose initial and final values are identical is named. 5. The process in which temperature remain constant is the.

44 Potential Energy Energy possessed by a body by virtue of its position PE Wz mgz [ kj, Btu ] mgz [ kg / s, Btu / hr, ft lb / s ] gz [ kj / kg, Btu / lb ] where : z elevation [ m, ft ] m mass m f [ kg, lb ] m mass flow rate [ kg / s, lb / s ] g acceleration due to gravity m s ft s m m 2 2 [ /, / ]

45 Kinetic Energy Energy possessed by an object due to its motion KE 1 mv 2 [ kj, Btu ] 2 where : v velocity [ m / s, ft / s ] m mass [ kg, lb ] m

46 Example Two identical automobiles each has a mass of 1500 kg. Both automobiles start from rest at the same location with an elevation of 1000 m. Automobile A passes a point with an elevation of 2000 m maintaining a velocity of 15 m/s while automobile B follows with a velocity of 20 m/s. Determine the change in potential and kinetic energy of both automobiles.

Engineering Thermodynamics. Chapter 1. Introductory Concepts and Definition

1.1 Introduction Chapter 1 Introductory Concepts and Definition Thermodynamics may be defined as follows : Thermodynamics is an axiomatic science which deals with the relations among heat, work and properties

Energy: The ability to cause changes. thermodynamics stems from therme (heat) and dynamis (power).

Energy: The ability to cause changes. thermodynamics stems from therme (heat) and dynamis (power). Thermodynamics: The science of energy. Conservation of energy principle: During an interaction, energy

Course: TDEC202 (Energy II) dflwww.ece.drexel.edu/tdec

Course: TDEC202 (Energy II) Thermodynamics: An Engineering Approach Course Director/Lecturer: Dr. Michael Carchidi Course Website URL dflwww.ece.drexel.edu/tdec 1 Course Textbook Cengel, Yunus A. and Michael

Thermodynamic Systems

Thermodynamic Systems For purposes of analysis we consider two types of Thermodynamic Systems: Closed System - usually referred to as a System or a Control Mass. This type of system is separated from its

Chapter 1 Introduction

Fundamentals of Thermodynamics Chapter 1 Introduction Prof. Siyoung Jeong Thermodynamics I MEE2022-01 Thermodynamics : Science of energy and entropy - Science of heat and work and properties related to

Non-Newtonian 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

The word thermodynamics is derived from two Greek words Therm which means heat Dynamis which means power

THERMODYNAMICS INTRODUCTION The word thermodynamics is derived from two Greek words Therm which means heat Dynamis which means power Together the spell heat power which fits the time when the forefathers

ME 2322 Thermodynamics I PRE-LECTURE Lesson 10 Complete the items below Name:

Lesson 10 1. (5 pt) If P > P sat (T), the phase is a subcooled liquid. 2. (5 pt) if P < P sat (T), the phase is superheated vapor. 3. (5 pt) if T > T sat (P), the phase is superheated vapor. 4. (5 pt)

Why do we need to study thermodynamics? Examples of practical thermodynamic devices:

Why do we need to study thermodynamics? Knowledge of thermodynamics is required to design any device involving the interchange between heat and work, or the conversion of material to produce heat (combustion).

Chapter 1: Basic Concepts of Thermodynamics. Thermodynamics and Energy. Dimensions and Units

Chapter 1: Basic Concepts of Thermodynamics Every science has its own unique vocabulary associated with it. recise definition of basic concepts forms a sound foundation for development of a science and

Introduction CHAPTER Prime Movers. 1.2 Sources of Energy

Introduction CHAPTER 1 1.1 Prime Movers Prime mover is a device which converts natural source of energy into mechanical work to drive machines for various applications. In olden days, man had to depend

ME2320 Thermodynamics I. Summer I Instructor: Dr. William W. Liou

ME2320 Thermodynamics I Summer I 2016 Instructor: Dr. William W. Liou Syllabus http://homepages.wmich.edu/~liou/wp_course.htm Homework Solutions Format 3 How to get, and stay, ahead in this class? Preview

Thermodynamics INTRODUCTION AND BASIC CONCEPTS. Copyright The McGraw-Hill Companies, Inc. Permission required for reproduction or display.

Thermodynamics INTRODUCTION AND BASIC CONCEPTS Copyright The McGraw-Hill Companies, Inc. Permission required for reproduction or display. THERMODYNAMICS AND ENERGY Thermodynamics: The science of energy.

INTRODUCTION AND BASIC CONCEPTS. Chapter 1. Mehmet Kanoglu. Thermodynamics: An Engineering Approach, 6 th Edition. Yunus A. Cengel, Michael A.

Thermodynamics: An Engineering Approach, 6 th Edition Yunus A. Cengel, Michael A. Boles McGraw-Hill, 2008 Chapter 1 INTRODUCTION AND BASIC CONCEPTS Mehmet Kanoglu Copyright The McGraw-Hill Companies, Inc.

CHAPTER 28 PRESSURE IN FLUIDS

CHAPTER 8 PRESSURE IN FLUIDS EXERCISE 18, Page 81 1. A force of 80 N is applied to a piston of a hydraulic system of cross-sectional area 0.010 m. Determine the pressure produced by the piston in the hydraulic

GATE & PSUs CHEMICAL ENGINEERING

Postal Correspondence GATE & PSUs CHEMICAL ENGINEERING THERMODYNAMICS 1 T A B L E O F C O N T E N T S. No. Title Page no. 1. Introduction 3 2. Work and Heat Transfer 9 3. Second Law of Thermodynamics 27

first law of ThermodyNamics

first law of ThermodyNamics First law of thermodynamics - Principle of conservation of energy - Energy can be neither created nor destroyed Basic statement When any closed system is taken through a cycle,

Lecture 1 INTRODUCTION AND BASIC CONCEPTS

Lecture 1 INTRODUCTION AND BASIC CONCEPTS Objectives Identify the unique vocabulary associated with thermodynamics through the precise definition of basic concepts to form a sound foundation for the development

PTT 277/3 APPLIED THERMODYNAMICS SEM 1 (2013/2014)

PTT 77/3 APPLIED THERMODYNAMICS SEM 1 (013/014) 1 Energy can exist in numerous forms: Thermal Mechanical Kinetic Potential Electric Magnetic Chemical Nuclear The total energy of a system on a unit mass:

- Apply closed system energy balances, observe sign convention for work and heat transfer.

CHAPTER : ENERGY AND THE FIRST LAW OF THERMODYNAMICS Objectives: - In this chapter we discuss energy and develop equations for applying the principle of conservation of energy. Learning Outcomes: - Demonstrate

Two mark questions and answers UNIT I BASIC CONCEPT AND FIRST LAW SVCET

Two mark questions and answers UNIT I BASIC CONCEPT AND FIRST LAW 1. What do you understand by pure substance? A pure substance is defined as one that is homogeneous and invariable in chemical composition

Chapter 5: The First Law of Thermodynamics: Closed Systems

Chapter 5: The First Law of Thermodynamics: Closed Systems The first law of thermodynamics can be simply stated as follows: during an interaction between a system and its surroundings, the amount of energy

The First Law of Thermodynamics. By: Yidnekachew Messele

The First Law of Thermodynamics By: Yidnekachew Messele It is the law that relates the various forms of energies for system of different types. It is simply the expression of the conservation of energy

Where F1 is the force and dl1 is the infinitesimal displacement, but F1 = p1a1

In order to force the fluid to flow across the boundary of the system against a pressure p1, work is done on the boundary of the system. The amount of work done is dw = - F1.dl1, Where F1 is the force

Chapter 5. Mass and Energy Analysis of Control Volumes. by Asst. Prof. Dr.Woranee Paengjuntuek and Asst. Prof. Dr.Worarattana Pattaraprakorn

Chapter 5 Mass and Energy Analysis of Control Volumes by Asst. Prof. Dr.Woranee Paengjuntuek and Asst. Prof. Dr.Worarattana Pattaraprakorn Reference: Cengel, Yunus A. and Michael A. Boles, Thermodynamics:

Classification following properties of the system in Intensive and Extensive

Unit I Classification following properties of the system in Intensive and Extensive Extensive : mass, weight, volume, potential energy, Kinetic energy, Internal energy, entropy, exergy, energy, magnetization

Chapter 1 INTRODUCTION AND BASIC CONCEPTS

Thermodynamics: An Engineering Approach Seventh Edition in SI Units Yunus A. Cengel, Michael A. Boles McGraw-Hill, 2011 Chapter 1 INTRODUCTION AND BASIC CONCEPTS Mehmet Kanoglu University of Gaziantep

Properties of Gases. The perfect gas. States of gases Gas laws Kinetic model of gases (Ch th ed, th ed.) Real gases

Properties of Gases Chapter 1 of Physical Chemistry - 6th Edition P.W. Atkins. Chapter 1 and a little bit of Chapter 24 of 7th Edition. Chapter 1 and a little bit of Chapter 21 of 8th edition. The perfect

CHAPTER 5 MASS AND ENERGY ANALYSIS OF CONTROL VOLUMES

Thermodynamics: An Engineering Approach 8th Edition in SI Units Yunus A. Çengel, Michael A. Boles McGraw-Hill, 2015 CHAPTER 5 MASS AND ENERGY ANALYSIS OF CONTROL VOLUMES Lecture slides by Dr. Fawzi Elfghi

Applied Thermodynamics (Lecture#01)

Applied Thermodynamics (Lecture#0) Course Outline: Basic Concepts, the system, Open and close system, properties of a system, control volume, working substance, heat and work, state and properties, thermodynamic

T H E R M O D Y N A M I C S M E

T H E R M O D Y N A M I C S M E THERMODYNAMICS CONTENTS 1 BASIC CONCEPTS IN THERMODYNAMICS 2 TEMPERATURE 3 WORK AND HEAT TRANSFER Thermodynamic system, surroundings, universe, system boundary Types of

(1)5. Which of the following equations is always valid for a fixed mass system undergoing an irreversible or reversible process:

Last Name First Name ME 300 Engineering Thermodynamics Exam #2 Spring 2008 March 28, 2008 Form A Note : (i) (ii) (iii) (iv) Closed book, closed notes; one 8.5 x 11 sheet allowed. 60 points total; 60 minutes;

Chapter 5. Mass and Energy Analysis of Control Volumes

Chapter 5 Mass and Energy Analysis of Control Volumes Conservation Principles for Control volumes The conservation of mass and the conservation of energy principles for open systems (or control volumes)

ME Thermodynamics I. Lecture Notes and Example Problems

ME 227.3 Thermodynamics I Lecture Notes and Example Problems James D. Bugg September 2018 Department of Mechanical Engineering Introduction Part I: Lecture Notes This part contains handout versions of

ME Thermodynamics I

HW-03 (25 points) i) Given: for writing Given, Find, Basic equations Rigid tank containing nitrogen gas in two sections initially separated by a membrane. Find: Initial density (kg/m3) of nitrogen gas

Introduction. Chemistry the science of matter and the changes it can undergo.

Introduction Chemistry the science of matter and the changes it can undergo. Physical Chemistry concerned with the physical principles that underlie chemistry. Seeks to account for the properties of matter

! =!"#\$% exerted by a fluid (liquid or gas) !"#\$ =!"# FUNDAMENTAL AND MEASURABLE INTENSIVE PROPERTIES PRESSURE, TEMPERATURE AND SPECIFIC VOLUME

FUNDAMENTAL AND MEASURABLE INTENSIVE PROPERTIES PRESSURE, TEMPERATURE AND SPECIFIC VOLUME PRESSURE, P! =!"#\$%!"#! exerted by a fluid (liquid or gas) Thermodynamic importance of pressure One of two independent

1.4 Perform the following unit conversions: (b) (c) s. g s. lb min. (d) (e) in. ft s. m 55 h. (f) ft s. km h. (g)

1.4 Perform the following unit conversions: 0.05 ft 1 in. (a) 1L 61in. 1L 1ft (b) 1kJ 650 J 10 J 1Btu 1.0551kJ 0.616 Btu (c) 41 Btu/h 0.15 kw 1kW 1h 600 s 778.17 ft lbf 1Btu ft lbf 99.596 s (d) g 78 s

Temperature Thermal Expansion Ideal Gas Law Kinetic Theory Heat Heat Transfer Phase Changes Specific Heat Calorimetry Heat Engines

Temperature Thermal Expansion Ideal Gas Law Kinetic Theory Heat Heat Transfer Phase Changes Specific Heat Calorimetry Heat Engines Zeroeth Law Two systems individually in thermal equilibrium with a third

T H E R M O D Y N A M I C S M T

T H E R M O D Y N A M I C S M T THERMODYNAMICS AND RATE PROCESSES CONTENTS CHAPTER DESCRIPTION PAGE NO 1 Thermodynamics NOTES 1.1. Definitions 1 1.2. Laws of Thermodynamics 3 1.2.1. Zeroth Law of Thermodynamics

5/6/ :41 PM. Chapter 6. Using Entropy. Dr. Mohammad Abuhaiba, PE

Chapter 6 Using Entropy 1 2 Chapter Objective Means are introduced for analyzing systems from the 2 nd law perspective as they undergo processes that are not necessarily cycles. Objective: introduce entropy

I. (20%) Answer the following True (T) or False (F). If false, explain why for full credit.

I. (20%) Answer the following True (T) or False (F). If false, explain why for full credit. Both the Kelvin and Fahrenheit scales are absolute temperature scales. Specific volume, v, is an intensive property,

Chapter 1: INTRODUCTION AND BASIC CONCEPTS. Thermodynamics = Greek words : therme(heat) + dynamis(force or power)

Chapter 1: INTRODUCTION AND BASIC CONCEPTS 1.1 Basic concepts and definitions Thermodynamics = Greek words : therme(heat) + dynamis(force or power) Note that, force x displacement = work; power = work/time

FLUID MECHANICS Gaza, Sep. 2012 CHAPTER 2 Pressure and Head Dr. Khalil Mahmoud ALASTAL Objectives of this Chapter: Introduce the concept of pressure. Prove it has a unique value at any particular elevation.

IE 211 INTRODUCTION TO ENGINEERING THERMODYNAMICS

IE 211 INTRODUCTION TO ENGINEERING THERMODYNAMICS Chapter1 Introduction and Basic Concepts INDUSTRIAL REVOLUTION A period in 18th and early 19th centuries Major changes in agriculture, mining, manufacturing,

Spring_#1. Thermodynamics. Youngsuk Nam.

Spring_#1 Thermodynamics Youngsuk Nam ysnam1@khu.ac.kr Chapter 1: Objectives Understand the importance of thermodynamics Identify the unique vocabulary associated with thermodynamics through the precise

KNOWN: Data are provided for a closed system undergoing a process involving work, heat transfer, change in elevation, and change in velocity.

Problem 44 A closed system of mass of 10 kg undergoes a process during which there is energy transfer by work from the system of 0147 kj per kg, an elevation decrease of 50 m, and an increase in velocity

Thermodynamics System Surrounding Boundary State, Property Process Quasi Actual Equilibrium English

Session-1 Thermodynamics: An Overview System, Surrounding and Boundary State, Property and Process Quasi and Actual Equilibrium SI and English Units Thermodynamic Properties 1 Thermodynamics, An Overview

UNIT I Basic concepts and Work & Heat Transfer

SIDDHARTH GROUP OF INSTITUTIONS :: PUTTUR Siddharth Nagar, Narayanavanam Road 517583 QUESTION BANK (DESCRIPTIVE) Subject with Code: Engineering Thermodynamics (16ME307) Year & Sem: II-B. Tech & II-Sem

Exam is Open Textbook, Open Class Notes, Computers can be used (Computer limited to class notes, lectures, homework, book material, calculator, conversion utilities, etc. No searching for similar problems

SKMM 2413 Thermodynamics

SKMM 2413 Thermodynamics Md. Mizanur Rahman, PhD Department of Thermo-Fluids Faculty of Mechanical Engineering Universiti Teknologi Malaysia UTM Office: C23-228 mizanur@fkm.utm.my Semester I, 2016-2017

Physics 106 Lecture 13. Fluid Mechanics

Physics 106 Lecture 13 Fluid Mechanics SJ 7 th Ed.: Chap 14.1 to 14.5 What is a fluid? Pressure Pressure varies with depth Pascal s principle Methods for measuring pressure Buoyant forces Archimedes principle

Eng Thermodynamics I conservation of mass; 2. conservation of energy (1st Law of Thermodynamics); and 3. the 2nd Law of Thermodynamics.

Eng3901 - Thermodynamics I 1 1 Introduction 1.1 Thermodynamics Thermodynamics is the study of the relationships between heat transfer, work interactions, kinetic and potential energies, and the properties

General Physics I (aka PHYS 2013)

General Physics I (aka PHYS 2013) PROF. VANCHURIN (AKA VITALY) University of Minnesota, Duluth (aka UMD) OUTLINE CHAPTER 12 CHAPTER 19 REVIEW CHAPTER 12: FLUID MECHANICS Section 12.1: Density Section 12.2:

Introduction & Basic Concepts of Thermodynamics

Introduction & Basic Concepts of Thermodynamics Reading Problems 2-1 2-8 2-53, 2-67, 2-85, 2-96 Introduction to Thermal Sciences Thermodynamics Conservation of mass Conservation of energy Second law of

First Law of Thermodynamics

CH2303 Chemical Engineering Thermodynamics I Unit II First Law of Thermodynamics Dr. M. Subramanian 07-July-2011 Associate Professor Department of Chemical Engineering Sri Sivasubramaniya Nadar College

FUNDAMENTALS OF CLASSICAL AND STATISTICAL THERMODYNAMICS SPRING 2005

FUNDAMENTALS OF CLASSICAL AND STATISTICAL THERMODYNAMICS SPRING 2005 1 1. Basic Concepts of Thermodynamics The basic concepts of thermodynamics such as system, energy, property, state, process, cycle,

First Law of Thermodynamics Closed Systems

First Law of Thermodynamics Closed Systems Content The First Law of Thermodynamics Energy Balance Energy Change of a System Mechanisms of Energy Transfer First Law of Thermodynamics in Closed Systems Moving

The first law of thermodynamics. U = internal energy. Q = amount of heat energy transfer

Thermodynamics Investigation of the energy transfer by heat and work and how natural systems behave (Q) Heat transfer of energy due to temp differences. (W) Work transfer of energy through mechanical means.

c Dr. Md. Zahurul Haq (BUET) Thermodynamic Processes & Efficiency ME 6101 (2017) 2 / 25 T145 = Q + W cv + i h 2 = h (V2 1 V 2 2)

Thermodynamic Processes & Isentropic Efficiency Dr. Md. Zahurul Haq Professor Department of Mechanical Engineering Bangladesh University of Engineering & Technology (BUET Dhaka-1000, Bangladesh zahurul@me.buet.ac.bd

1 st Law Analysis of Control Volume (open system) Chapter 6

1 st Law Analysis of Control Volume (open system) Chapter 6 In chapter 5, we did 1st law analysis for a control mass (closed system). In this chapter the analysis of the 1st law will be on a control volume

PowerPoint Presentation by: Associated Technical Authors. Publisher The Goodheart-Willcox Company, Inc. Tinley Park, Illinois

Althouse Turnquist Bracciano PowerPoint Presentation by: Associated Technical Authors Publisher The Goodheart-Willcox Company, Inc. Tinley Park, Illinois Chapter 1 History and Fundamentals of Refrigeration

Thermodynamics ENGR360-MEP112 LECTURE 3

Thermodynamics ENGR360-MEP11 LECTURE 3 ENERGY, ENERGY TRANSFER, AND ENERGY ANALYSIS Objectives: 1. Introduce the concept of energy and define its various forms.. Discuss the nature of internal energy.

Physics 153 Introductory Physics II. Week One: FLUIDS. Dr. Joseph J. Trout

Physics 153 Introductory Physics II Week One: FLUIDS Dr. Joseph J. Trout joseph.trout@drexel.edu 610-348-6495 States (Phases) of Matter: Solid: Fixed shape. Fixed size. Even a large force will not readily

Dual Program Level 1 Physics Course

Dual Program Level 1 Physics Course Assignment 15 Due: 11/Feb/2012 14:00 Assume that water has a constant specific heat capacity of 4190 J/kg K at all temperatures between its melting point and boiling

ME 201 Thermodynamics

ME 0 Thermodynamics Solutions First Law Practice Problems. Consider a balloon that has been blown up inside a building and has been allowed to come to equilibrium with the inside temperature of 5 C and

Common Terms, Definitions and Conversion Factors

1 Common Terms, Definitions and Conversion Factors 1. Force: A force is a push or pull upon an object resulting from the object s interaction with another object. It is defined as Where F = m a F = Force

R13 SET - 1 '' ''' '' ' '''' Code No RT21033

SET - 1 II B. Tech I Semester Supplementary Examinations, June - 2015 THERMODYNAMICS (Com. to ME, AE, AME) Time: 3 hours Max. Marks: 70 Note: 1. Question Paper consists of two parts (Part-A and Part-B)

Chapter 1: Basic Definitions, Terminologies and Concepts

Chapter : Basic Definitions, Terminologies and Concepts ---------------------------------------. UThermodynamics:U It is a basic science that deals with: -. Energy transformation from one form to another..

Chapter 15 - Fluid Mechanics Thursday, March 24 th

Chapter 15 - Fluid Mechanics Thursday, March 24 th Fluids Static properties Density and pressure Hydrostatic equilibrium Archimedes principle and buoyancy Fluid Motion The continuity equation Bernoulli

CH 15. Zeroth and First Law of Thermodynamics

CH 15 Zeroth and First Law of Thermodynamics THERMODYNAMICS Thermodynamics Branch of Physics that is built upon the fundamental laws that heat and work obey. Central Heating Objectives: After finishing

THERMODYNAMICS, FLUID AND PLANT PROCESSES. The tutorials are drawn from other subjects so the solutions are identified by the appropriate tutorial.

THERMODYNAMICS, FLUID AND PLANT PROCESSES The tutorials are drawn from other subjects so the solutions are identified by the appropriate tutorial. THERMODYNAMICS TUTORIAL 2 THERMODYNAMIC PRINCIPLES SAE

Readings for this homework assignment and upcoming lectures

Homework #3 (group) Tuesday, February 13 by 4:00 pm 5290 exercises (individual) Thursday, February 15 by 4:00 pm extra credit (individual) Thursday, February 15 by 4:00 pm Readings for this homework assignment

Properties of Gases. Molecular interactions van der Waals equation Principle of corresponding states

Properties of Gases Chapter 1 of Atkins and de Paula The Perfect Gas States of gases Gas laws Real Gases Molecular interactions van der Waals equation Principle of corresponding states Kinetic Model of

ME 200 Final Exam December 12, :00 a.m. to 10:00 a.m.

CIRCLE YOUR LECTURE BELOW: First Name Last Name 7:30 a.m. 8:30 a.m. 10:30 a.m. 1:30 p.m. 3:30 p.m. Mongia Abraham Sojka Bae Naik ME 200 Final Exam December 12, 2011 8:00 a.m. to 10:00 a.m. INSTRUCTIONS

ME 200 Final Exam December 14, :00 a.m. to 10:00 a.m.

CIRCLE YOUR LECTURE BELOW: First Name Last Name 7:30 a.m. 8:30 a.m. 10:30 a.m. 11:30 a.m. Boregowda Boregowda Braun Bae 2:30 p.m. 3:30 p.m. 4:30 p.m. Meyer Naik Hess ME 200 Final Exam December 14, 2015

BME-A PREVIOUS YEAR QUESTIONS

BME-A PREVIOUS YEAR QUESTIONS CREDITS CHANGE ACCHA HAI TEAM UNIT-1 Introduction: Introduction to Thermodynamics, Concepts of systems, control volume, state, properties, equilibrium, quasi-static process,

Chapter 7. Entropy. by Asst.Prof. Dr.Woranee Paengjuntuek and Asst. Prof. Dr.Worarattana Pattaraprakorn

Chapter 7 Entropy by Asst.Prof. Dr.Woranee Paengjuntuek and Asst. Prof. Dr.Worarattana Pattaraprakorn Reference: Cengel, Yunus A. and Michael A. Boles, Thermodynamics: An Engineering Approach, 5th ed.,

Basic Thermodynamics Module 1

Basic Thermodynamics Module 1 Lecture 1: Introduction Introduction The most of general sense of thermodynamics is the study of energy and its relationship to the properties of matter. All activities in

FINAL EXAM. ME 200 Thermodynamics I, Spring 2013 CIRCLE YOUR LECTURE BELOW:

ME 200 Thermodynamics I, Spring 2013 CIRCLE YOUR LECTURE BELOW: Div. 5 7:30 am Div. 2 10:30 am Div. 4 12:30 am Prof. Naik Prof. Braun Prof. Bae Div. 3 2:30 pm Div. 1 4:30 pm Div. 6 4:30 pm Prof. Chen Prof.

ENT 254: Applied Thermodynamics

ENT 54: Applied Thermodynamics Mr. Azizul bin Mohamad Mechanical Engineering Program School of Mechatronic Engineering Universiti Malaysia Perlis (UniMAP) azizul@unimap.edu.my 019-4747351 04-9798679 Chapter

KNOWN: Pressure, temperature, and velocity of steam entering a 1.6-cm-diameter pipe.

4.3 Steam enters a.6-cm-diameter pipe at 80 bar and 600 o C with a velocity of 50 m/s. Determine the mass flow rate, in kg/s. KNOWN: Pressure, temperature, and velocity of steam entering a.6-cm-diameter

Chapter (6) Energy Equation and Its Applications

Chapter (6) Energy Equation and Its Applications Bernoulli Equation Bernoulli equation is one of the most useful equations in fluid mechanics and hydraulics. And it s a statement of the principle of conservation

ENERGY TRANSFER BY WORK: Electrical Work: When N Coulombs of electrical charge move through a potential difference V

Weight, W = mg Where m=mass, g=gravitational acceleration ENERGY TRANSFER BY WOR: Sign convention: Work done on a system = (+) Work done by a system = (-) Density, ρ = m V kg m 3 Where m=mass, V =Volume

MAHARASHTRA STATE BOARD OF TECHNICAL EDUCATION (Autonomous) (ISO/IEC Certified) SUMMER 17 EXAMINATION

Important Instructions to examiners: 1) The answers should be examined by key words and not as word-to-word as given in the model answer scheme. 2) The model answer and the answer written by candidate

First Law of Thermodynamics

First Law of Thermodynamics During an interaction between a system and its surroundings, the amount of energy gained by the system must be exactly equal to the amount of energy lost by the surroundings.

Unified Quiz: Thermodynamics

Fall 004 Unified Quiz: Thermodynamics November 1, 004 Calculators allowed. No books allowed. A list of equations is provided. Put your name on each page of the exam. Read all questions carefully. Do all

Engineering Thermodynamics

David Ng Summer 2017 Contents 1 July 5, 2017 3 1.1 Thermodynamics................................ 3 2 July 7, 2017 3 2.1 Properties.................................... 3 3 July 10, 2017 4 3.1 Systems.....................................

Applied Fluid Mechanics

Applied Fluid Mechanics 1. The Nature of Fluid and the Study of Fluid Mechanics 2. Viscosity of Fluid 3. Pressure Measurement 4. Forces Due to Static Fluid 5. Buoyancy and Stability 6. Flow of Fluid and

SHRI RAMSWAROOP MEMORIAL COLLEGE OF ENGG. & MANAGEMENT

B.Tech. [SEM III (ME-31, 32, 33,34,35 & 36)] QUIZ TEST-1 Time: 1 Hour THERMODYNAMICS Max. Marks: 30 (EME-303) Note: Attempt All Questions. Q1) 2 kg of an ideal gas is compressed adiabatically from pressure

People s Physics book 3e

The Big Ideas Heat is a form of energy transfer. It can change the kinetic energy of a substance. For example, the average molecular kinetic energy of gas molecules is related to temperature. A heat engine

Lagrangian description from the perspective of a parcel moving within the flow. Streamline Eulerian, tangent line to instantaneous velocity field.

Chapter 2 Hydrostatics 2.1 Review Eulerian description from the perspective of fixed points within a reference frame. Lagrangian description from the perspective of a parcel moving within the flow. Streamline

Fundamentals of Thermodynamics 8e

Fundamentals of Thermodynamics 8e Authors Borgnakke Copyright 2012 John Wiley & Sons, Inc. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted

EXERGY The energy content of the universe is constant, just as its mass content is. Yet at times of crisis we are bombarded with speeches and articles on how to conserve energy. As engineers, we know that

Dishwasher. Heater. Homework Solutions ME Thermodynamics I Spring HW-1 (25 points)

HW-1 (25 points) (a) Given: 1 for writing given, find, EFD, etc., Schematic of a household piping system Find: Identify system and location on the system boundary where the system interacts with the environment

Phase Changes and Latent Heat

Review Questions Why can a person remove a piece of dry aluminum foil from a hot oven with bare fingers without getting burned, yet will be burned doing so if the foil is wet. Equal quantities of alcohol