Steady State Conduction
|
|
- Roy Elliott
- 5 years ago
- Views:
Transcription
1 ECE309 Intrductin t Thermdynamics and Heat Transfer Spring 005 Tutrial # 7 Steady State Cnductin Prblem 1 Cnsider a naked persn standing in a rm at 0 C with an expsed surface area f 17m The deep bdy temperature f the human bdy is 37 C, and the thermal cnductivity f the human tissue near the skin is abut 03W/(m C) The bdy is lsing heat at a rate f 150W by natural cnvectin t the surrundings Taking the bdy temperature 05cm beneath the skin t be 37 C, determine the skin temperature f the persn and the cnvective heat transfer cefficient t the surrundings Slutin: Step 1: Draw a schematic diagram m Human Bdy T in T s T 0 cnd cnv Step : What t determine? The skin temperature f the persn, T s ; Cnvective heat transfer cefficient, h Step 3: The infrmatin given in the prblem statement Deep bdy temperature, T in 37 C, m temperature, T 0 0 C; Depth beneath the skin L05cm, Expsed surface Area, A17m ; Thermal cnductivity f the human tissue, k03w/(m C); Heat lss rate, 150 W Tutrial # 7 Page 1 f 5
2 ECE309 Intrductin t Thermdynamics and Heat Transfer Spring 005 Step 4: Assumptins Neglect the radiatin heat lss t the surrundings; The temperature wn t change with time(steady prblem) Step 5: Slve It s a ne-dimensin steady heat transfer prcess, and the cnductivity resistance is determined as L 05( cm) cnd 00098( C / W ) ka 03( W / m C) 17( m ) The heat lss is tatal cnd cnv 150 (W) The cnductive heat lss: cnd T cnd Tin Ts cnd Thus, Ts Tin cnd 37( C) 150( W ) 00098( C / W ) cnd The cnvective heat lss t the surrundings is calculated by cnv T cnv Ts T 1 ha S, the cnvective heat transfer cefficient, 0 355( C) h A( T s cnv T 0 ) 17( m 150( W ) ) # (355 0)( C) 569( W / m C) Step 6: Cnclusin statement The skin temperature f the persn will be 355 C and the cnvective heat transfer cefficient is 569 W/(m C) Tutrial # 7 Page f 5
3 ECE309 Intrductin t Thermdynamics and Heat Transfer Spring 005 Prblem As shwn in the figure, steam in a heating system flw thrugh ne side f rectangle plane (10cm*1cm) The plane is maintained at a temperature f 150 C ectangular aluminium ally 04-T6 s [k186 W/(m C)] with a cnstant width f 1cm and thickness f 01cm are attached t the plane The space between every tw adjacent s is 03cm The temperature f the surrunding air is 0 C and the cmbined cnvective heat transfer is 50W/(m C), Determine the verall effectiveness f the ned plane Slutin: Step 1: Draw a schematic diagram W1cm L1cm t01cm s03cm H10cm Step : What t determine? The verall effectiveness f the ned plane, Step 3: The infrmatin given in the prblem statement Tutrial # 7 Page 3 f 5
4 ECE309 Intrductin t Thermdynamics and Heat Transfer Spring 005 Plane surface temperature, T s 150 C, Atmsphere temperature, T 0 0 C; Plane gemetry: H10cm, and W1cm; Fin: cnductivity: k186 W/(m C), length: L1cm, thickness: t01cm, space: s03cm, width: W1cm The cmbined cnvective heat transfer: h50w/(m C) Step 4: Assumptins Neglect the radiatin heat lss t the surrundings; The temperature wn t change with time(steady prblem) Step 5: Slve CASE 1 With s n the plane: The efficiency f the s is determined frm Fig 8-59 t be t # ( L + ) h kt 0001 (001m + m) 50W / m C (186W / m C) (0001m) 016 which gives us the efficiency 095 the area f a is, t 0001 A W ( L + ) 01m (001m + m) 0005m S, the actual heat transfer rate thrugh the s is, # $ ha ( T s T0 ) 095 (50W / m # C) (0005m )(150 C 0 C) 15561W Fr the unned regin, the area is A un W s 01m 0003m m S, the heat transfer rate thrugh an unned area is # un haun ( Ts T0 ) (50W / m # C) (000036m )(150 C 0 C) 34W the number f the s n the plane: H n t + s 10cm 01cm + 03cm 5 Tutrial # 7 Page 4 f 5
5 ECE309 Intrductin t Thermdynamics and Heat Transfer Spring 005 Fr the ttal heat transfer rate f the whle plane: ttal, n ( + un ) 5 (1561W + 34W ) W CASE N s n the plane The area f the whle plane is and the whle heat transfer rate is A n H W 01m 01m 001m n han ( Ts T0 ) (50W / m 78W # C) (001m )(150 C 0 C) The verall effectiveness f the ned plane ttal, n 44875W 78W 575 Step 6: Cnclusin statement The verall effectiveness f the ned plane is 575, which means the heat transfer rate is enhanced 575 times when attaching the s Tutrial # 7 Page 5 f 5
Problem 1 Known: Dimensions and materials of the composition wall, 10 studs each with 2.5m high
Prblem Knwn: Dimensins and materials f the cmpsitin wall, 0 studs each with.5m high Unknwn:. Thermal resistance assciate with wall when surfaces nrmal t the directin f heat flw are isthermal. Thermal resistance
More informationChapter 4. Unsteady State Conduction
Chapter 4 Unsteady State Cnductin Chapter 5 Steady State Cnductin Chee 318 1 4-1 Intrductin ransient Cnductin Many heat transfer prblems are time dependent Changes in perating cnditins in a system cause
More informationCANKAYA UNIVERSITY FACULTY OF ENGINEERING MECHANICAL ENGINEERING DEPARTMENT ME 313 HEAT TRANSFER
CANKAYA UNIVERSITY FACUTY OF ENGINEERING MECHANICA ENGINEERING DEPARTMENT ME 313 HEAT TRANSFER CHAPTER-3 EXAMPES 1) Cnsider a slab f thicness as illustrated in figure belw. A fluid at temperature T 1 with
More informationNumerical Simulation of the Thermal Resposne Test Within the Comsol Multiphysics Environment
Presented at the COMSOL Cnference 2008 Hannver University f Parma Department f Industrial Engineering Numerical Simulatin f the Thermal Respsne Test Within the Cmsl Multiphysics Envirnment Authr : C. Crradi,
More informationA) 0.77 N B) 0.24 N C) 0.63 N D) 0.31 N E) 0.86 N. v = ω k = 80 = 32 m/s. Ans: (32) 2 = 0.77 N
Q1. A transverse sinusidal wave travelling n a string is given by: y (x,t) = 0.20 sin (2.5 x 80 t) (SI units). The length f the string is 2.0 m and its mass is 1.5 g. What is the magnitude f the tensin
More informationSurface and Contact Stress
Surface and Cntact Stress The cncept f the frce is fundamental t mechanics and many imprtant prblems can be cast in terms f frces nly, fr example the prblems cnsidered in Chapter. Hwever, mre sphisticated
More informationNATURAL CONVECTION HEAT TRANSFER FROM A HEAT SINK WITH FINS OF DIFFERENT CONFIGURATION
Internatinal Jurnal f Innvatin and Applied Studies ISSN 2028-9324 Vl. 9 N. 3 Nv. 2014, pp. 1043-1047 2014 Innvative Space f Scientific Research Jurnals http://www.ijias.issr-jurnals.rg/ NATURAL CONVECTION
More informationShort notes for Heat transfer
Furier s Law f Heat Cnductin Shrt ntes fr Heat transfer Q = Heat transfer in given directin. A = Crss-sectinal area perpendicular t heat flw directin. dt = Temperature difference between tw ends f a blck
More informationProcess Engineering Thermodynamics E (4 sp) Exam
Prcess Engineering Thermdynamics 42434 E (4 sp) Exam 9-3-29 ll supprt material is allwed except fr telecmmunicatin devices. 4 questins give max. 3 pints = 7½ + 7½ + 7½ + 7½ pints Belw 6 questins are given,
More informationChapter 23 Electromagnetic Waves Lecture 14
Chapter 23 Electrmagnetic Waves Lecture 14 23.1 The Discvery f Electrmagnetic Waves 23.2 Prperties f Electrmagnetic Waves 23.3 Electrmagnetic Waves Carry Energy and Mmentum 23.4 Types f Electrmagnetic
More informationOUTCOME 3 - TUTORIAL 1
Unit 42: Heat Transfer and Cmbustin Unit cde: K/60/443 QCF level: 5 Credit value: 5 OUTCOME 3 - TUTORIL 3 Heat transfer equipment Recuperatrs: cncentric tube (parallel and cunter flw, crss flw, shell and
More informationExaminer: Dr. Mohamed Elsharnoby Time: 180 min. Attempt all the following questions Solve the following five questions, and assume any missing data
Benha University Cllege f Engineering at Banha Department f Mechanical Eng. First Year Mechanical Subject : Fluid Mechanics M111 Date:4/5/016 Questins Fr Final Crrective Examinatin Examiner: Dr. Mhamed
More informationPhy 212: General Physics II 1 Chapter 18 Worksheet 3/20/2008
Phy 1: General Physics II 1 hapter 18 rksheet 3/0/008 Thermal Expansin: 1. A wedding ring cmpsed f pure gld (inner diameter = 1.5 x 10 - m) is placed n a persn s finger (diameter = 1.5 x 10 - m). Bth the
More informationPhysics 231 Lecture 31
Physics 31 Lecture 31 Mi Main pints f tday s lecture: Heat and heat capacity: Q = cmδt Phase transitins and latent heat: Q = LΔm Mechanisms f heat flw. Cnductive heat flw ΔQ kat ( T1 ) H = = Δt L Examples
More informationEFFECTS OF WALL ORIENTATION AND THERMAL INSULATION ON TIME LAG AND DECREMENT FACTOR
HEFAT212 9 th Internatinal Cnference n Heat Transfer, Fluid Mechanics and Thermdynamics 16 18 July 212 Malta EFFECTS OF WA ORIENTATION AND THERMA INSUATION ON TIME AG AND DECREMENT FACTOR Ozel M.* and
More informationrcrit (r C + t m ) 2 ] crit + t o crit The critical radius is evaluated at a given axial location z from the equation + (1 , and D = 4D = 555.
hapter 1 c) When the average bld velcity in the capillary is reduced by a factr f 10, the delivery f the slute t the capillary is liited s that the slute cncentratin after crit 0.018 c is equal t er at
More informationThermal behavior of Surface Mount Device (SMD) for Spicer case
Thermal behavir f Surface Munt Device (SMD) fr Spicer case Sandip Kumar Saha, Frederik Rgiers, Martine Baelmans sandipkumar.saha@mech.kuleuven.be 3 th Octber 20 Outline Thermal analysis f existing Spicer
More information(1.1) V which contains charges. If a charge density ρ, is defined as the limit of the ratio of the charge contained. 0, and if a force density f
1.0 Review f Electrmagnetic Field Thery Selected aspects f electrmagnetic thery are reviewed in this sectin, with emphasis n cncepts which are useful in understanding magnet design. Detailed, rigrus treatments
More informationCHEM-443, Fall 2013, Section 010 Midterm 2 November 4, 2013
CHEM-443, Fall 2013, Sectin 010 Student Name Midterm 2 Nvember 4, 2013 Directins: Please answer each questin t the best f yur ability. Make sure yur respnse is legible, precise, includes relevant dimensinal
More informationStudy Group Report: Plate-fin Heat Exchangers: AEA Technology
Study Grup Reprt: Plate-fin Heat Exchangers: AEA Technlgy The prblem under study cncerned the apparent discrepancy between a series f experiments using a plate fin heat exchanger and the classical thery
More informationPart One: Heat Changes and Thermochemistry. This aspect of Thermodynamics was dealt with in Chapter 6. (Review)
CHAPTER 18: THERMODYNAMICS AND EQUILIBRIUM Part One: Heat Changes and Thermchemistry This aspect f Thermdynamics was dealt with in Chapter 6. (Review) A. Statement f First Law. (Sectin 18.1) 1. U ttal
More informationA Few Basic Facts About Isothermal Mass Transfer in a Binary Mixture
Few asic Facts but Isthermal Mass Transfer in a inary Miture David Keffer Department f Chemical Engineering University f Tennessee first begun: pril 22, 2004 last updated: January 13, 2006 dkeffer@utk.edu
More informationMaterials Engineering 272-C Fall 2001, Lecture 7 & 8 Fundamentals of Diffusion
Materials Engineering 272-C Fall 2001, Lecture 7 & 8 Fundamentals f Diffusin Diffusin: Transprt in a slid, liquid, r gas driven by a cncentratin gradient (r, in the case f mass transprt, a chemical ptential
More informationLECTURE 4 THE CONTENTS OF THIS LECTURE ARE AS FOLLOWS: 1.0 INTRODUCTION 2.0 SOURCES OF HEAT IN MINES 3.0 STRATA HEAT
LECTURE 4 THE CONTENTS OF THIS LECTURE ARE AS FOLLOWS: 1.0 INTRODUCTION 2.0 SOURCES OF HEAT IN MINES 3.0 STRATA HEAT 3.1 Gethermal Step and Gethermal Gradient 3.2 Thermal Cnductivity f Rcks 3.3 Heat Flux
More informationChapter 8 Reduction and oxidation
Chapter 8 Reductin and xidatin Redx reactins and xidatin states Reductin ptentials and Gibbs energy Nernst equatin Disprprtinatin Ptential diagrams Frst-Ebswrth diagrams Ellingham diagrams Oxidatin refers
More informationconvection coefficient. The different property values of water at 20 C are given by: u W/m K, h=8062 W/m K
Practice rblems fr Cnvective Heat Transfer 1. Water at 0 C flws ver a flat late 1m 1m at 10 C with a free stream velcity f 4 m/s. Determine the thickness f bndary layers, lcal and average vale f drag cefficient
More informationChapter 5: Force and Motion I-a
Chapter 5: rce and Mtin I-a rce is the interactin between bjects is a vectr causes acceleratin Net frce: vectr sum f all the frces n an bject. v v N v v v v v ttal net = i = + + 3 + 4 i= Envirnment respnse
More informationThermodynamics EAS 204 Spring 2004 Class Month Day Chapter Topic Reading Due 1 January 12 M Introduction 2 14 W Chapter 1 Concepts Chapter 1 19 M MLK
Thermdynamics EAS 204 Spring 2004 Class Mnth Day Chapter Tpic Reading Due 1 January 12 M Intrductin 2 14 W Chapter 1 Cncepts Chapter 1 19 M MLK Hliday n class 3 21 W Chapter 2 Prperties Chapter 2 PS1 4
More informationLecture 12: Chemical reaction equilibria
3.012 Fundamentals f Materials Science Fall 2005 Lecture 12: 10.19.05 Chemical reactin equilibria Tday: LAST TIME...2 EQUATING CHEMICAL POTENTIALS DURING REACTIONS...3 The extent f reactin...3 The simplest
More information( ) kt. Solution. From kinetic theory (visualized in Figure 1Q9-1), 1 2 rms = 2. = 1368 m/s
.9 Kinetic Mlecular Thery Calculate the effective (rms) speeds f the He and Ne atms in the He-Ne gas laser tube at rm temperature (300 K). Slutin T find the rt mean square velcity (v rms ) f He atms at
More informationOutline. Steady Heat Transfer with Conduction and Convection. Review Steady, 1-D, Review Heat Generation. Review Heat Generation II
Steady Heat ansfe ebuay, 7 Steady Heat ansfe wit Cnductin and Cnvectin ay Caett Mecanical Engineeing 375 Heat ansfe ebuay, 7 Outline eview last lectue Equivalent cicuit analyses eview basic cncept pplicatin
More informationEHed of Curvature on the Temperature Profiles
PROC. OF THE OKLA. ACAD. OF SCI. FOR 1967 EHed f Curvature n the Temperature Prfiles in Cnduding Spines J. E. FRANCIS add R. V. KASER, University f Oklahma, Nrman and GORDON SCOFIELD, University f Missuri,
More informationEDA Engineering Design & Analysis Ltd
EDA Engineering Design & Analysis Ltd THE FINITE ELEMENT METHOD A shrt tutrial giving an verview f the histry, thery and applicatin f the finite element methd. Intrductin Value f FEM Applicatins Elements
More information1. INTRODUCTION. In many polymer processing operations, molten polymers. emerge from dies into a stress field which deforms the
. NTRODUCTON. Histrical ntes f melt spinning prcess n many plymer prcessing peratins, mlten plymers emerge frm dies int a stress field which defrms the melt int a final fabricated shape. This is the case
More informationDesign and Analysis of Gas Turbine Blade by Potential Flow Approach
V. Vijaya kumar et al Int. Jurnal f Engineering Research and Applicatins RESEARCH ARTICLE OPEN ACCESS Design and Analysis f Gas Turbine Blade by Ptential Flw Apprach V. Vijaya Kumar 1, R. Lalitha Narayana
More informationChapter 2 GAUSS LAW Recommended Problems:
Chapter GAUSS LAW Recmmended Prblems: 1,4,5,6,7,9,11,13,15,18,19,1,7,9,31,35,37,39,41,43,45,47,49,51,55,57,61,6,69. LCTRIC FLUX lectric flux is a measure f the number f electric filed lines penetrating
More informationAdvanced Heat and Mass Transfer by Amir Faghri, Yuwen Zhang, and John R. Howell
6.5 Natural Cnvectin in Enclsures Enclsures are finite spaces bunded by walls and filled with fluid. Natural cnvectin in enclsures, als knwn as internal cnvectin, takes place in rms and buildings, furnaces,
More informationPhys102 Final-061 Zero Version Coordinator: Nasser Wednesday, January 24, 2007 Page: 1
Crdinatr: Nasser Wednesday, January 4, 007 Page: 1 Q1. Tw transmitters, S 1 and S shwn in the figure, emit identical sund waves f wavelength λ. The transmitters are separated by a distance λ /. Cnsider
More informationInstructions: Show all work for complete credit. Work in symbols first, plugging in numbers and performing calculations last. / 26.
CM ROSE-HULMAN INSTITUTE OF TECHNOLOGY Name Circle sectin: 01 [4 th Lui] 02 [5 th Lui] 03 [4 th Thm] 04 [5 th Thm] 05 [4 th Mech] ME301 Applicatins f Thermdynamics Exam 1 Sep 29, 2017 Rules: Clsed bk/ntes
More informationAccelerated Chemistry POGIL: Half-life
Name: Date: Perid: Accelerated Chemistry POGIL: Half-life Why? Every radiistpe has a characteristic rate f decay measured by its half-life. Half-lives can be as shrt as a fractin f a secnd r as lng as
More informationLecture 5: Equilibrium and Oscillations
Lecture 5: Equilibrium and Oscillatins Energy and Mtin Last time, we fund that fr a system with energy cnserved, v = ± E U m ( ) ( ) One result we see immediately is that there is n slutin fr velcity if
More informationAP CHEMISTRY CHAPTER 6 NOTES THERMOCHEMISTRY
AP CHEMISTRY CHAPTER 6 NOTES THERMOCHEMISTRY Energy- the capacity t d wrk r t prduce heat 1 st Law f Thermdynamics: Law f Cnservatin f Energy- energy can be cnverted frm ne frm t anther but it can be neither
More informationCHAPTER 3 INEQUALITIES. Copyright -The Institute of Chartered Accountants of India
CHAPTER 3 INEQUALITIES Cpyright -The Institute f Chartered Accuntants f India INEQUALITIES LEARNING OBJECTIVES One f the widely used decisin making prblems, nwadays, is t decide n the ptimal mix f scarce
More informationIntroduction to Smith Charts
Intrductin t Smith Charts Dr. Russell P. Jedlicka Klipsch Schl f Electrical and Cmputer Engineering New Mexic State University as Cruces, NM 88003 September 2002 EE521 ecture 3 08/22/02 Smith Chart Summary
More informationFebruary 28, 2013 COMMENTS ON DIFFUSION, DIFFUSIVITY AND DERIVATION OF HYPERBOLIC EQUATIONS DESCRIBING THE DIFFUSION PHENOMENA
February 28, 2013 COMMENTS ON DIFFUSION, DIFFUSIVITY AND DERIVATION OF HYPERBOLIC EQUATIONS DESCRIBING THE DIFFUSION PHENOMENA Mental Experiment regarding 1D randm walk Cnsider a cntainer f gas in thermal
More informationES201 - Examination 2 Winter Adams and Richards NAME BOX NUMBER
ES201 - Examinatin 2 Winter 2003-2004 Adams and Richards NAME BOX NUMBER Please Circle One : Richards (Perid 4) ES201-01 Adams (Perid 4) ES201-02 Adams (Perid 6) ES201-03 Prblem 1 ( 12 ) Prblem 2 ( 24
More informationCHAPTER 5. Solutions for Exercises
HAPTE 5 Slutins fr Exercises E5. (a We are given v ( t 50 cs(00π t 30. The angular frequency is the cefficient f t s we have ω 00π radian/s. Then f ω / π 00 Hz T / f 0 ms m / 50 / 06. Furthermre, v(t attains
More informationEE247B/ME218: Introduction to MEMS Design Lecture 7m1: Lithography, Etching, & Doping CTN 2/6/18
EE247B/ME218 Intrductin t MEMS Design Lecture 7m1 Lithgraphy, Etching, & Dping Dping f Semicnductrs Semicnductr Dping Semicnductrs are nt intrinsically cnductive T make them cnductive, replace silicn atms
More informationMore Tutorial at
Answer each questin in the space prvided; use back f page if extra space is needed. Answer questins s the grader can READILY understand yur wrk; nly wrk n the exam sheet will be cnsidered. Write answers,
More informationPhys102 First Major-122 Zero Version Coordinator: Sunaidi Wednesday, March 06, 2013 Page: 1
Crdinatr: Sunaidi Wednesday, March 06, 2013 Page: 1 Q1. An 8.00 m lng wire with a mass f 10.0 g is under a tensin f 25.0 N. A transverse wave fr which the wavelength is 0.100 m, and the amplitude is 3.70
More informationPressure And Entropy Variations Across The Weak Shock Wave Due To Viscosity Effects
Pressure And Entrpy Variatins Acrss The Weak Shck Wave Due T Viscsity Effects OSTAFA A. A. AHOUD Department f athematics Faculty f Science Benha University 13518 Benha EGYPT Abstract:-The nnlinear differential
More informationAC : USE OF SPREADSHEETS IN SOLVING HEAT CONDUCTION PROBLEMS IN FINS
AC 2008-1867: USE OF SPREADSHEETS IN SOLVING HEAT CONDUCTION PROBLEMS IN FINS Amir Karimi, University f Texas-San Antni AMIR KARIMI Amir Karimi is a Prfessr f Mechanical Engineering and an Assciate Dean
More informationTHERMAL-VACUUM VERSUS THERMAL- ATMOSPHERIC TESTS OF ELECTRONIC ASSEMBLIES
PREFERRED RELIABILITY PAGE 1 OF 5 PRACTICES PRACTICE NO. PT-TE-1409 THERMAL-VACUUM VERSUS THERMAL- ATMOSPHERIC Practice: Perfrm all thermal envirnmental tests n electrnic spaceflight hardware in a flight-like
More informationCompressibility Effects
Definitin f Cmpressibility All real substances are cmpressible t sme greater r lesser extent; that is, when yu squeeze r press n them, their density will change The amunt by which a substance can be cmpressed
More informationEquipment Fundamentals: Heat Exchangers. Chapter 3
Equipment Fundamentals: Heat Exchangers Chapter 3 Tpics Equipment heat exchangers Cmbines infrmatin abut fluid flw & heat transfer acrss internal bundaries Cnsideratins When d I need t knw the specifics
More informationElectric Current and Resistance
Electric Current and Resistance Electric Current Electric current is the rate f flw f charge thrugh sme regin f space The SI unit f current is the ampere (A) 1 A = 1 C / s The symbl fr electric current
More information7-84. Chapter 7 External Forced Convection
Chapter 7 External Frced Cnvectin 7-99 Wind i blwing ver the rf f a hue. The rate f heat tranfer thrugh the rf and the ct f thi heat l fr -h perid are t be deterined. Auptin Steady perating cnditin exit.
More informationComputational modeling techniques
Cmputatinal mdeling techniques Lecture 4: Mdel checing fr ODE mdels In Petre Department f IT, Åb Aademi http://www.users.ab.fi/ipetre/cmpmd/ Cntent Stichimetric matrix Calculating the mass cnservatin relatins
More informationPhys101 Final Code: 1 Term: 132 Wednesday, May 21, 2014 Page: 1
Phys101 Final Cde: 1 Term: 1 Wednesday, May 1, 014 Page: 1 Q1. A car accelerates at.0 m/s alng a straight rad. It passes tw marks that are 0 m apart at times t = 4.0 s and t = 5.0 s. Find the car s velcity
More informationFill in your name and ID No. in the space above. There should be 11 pages (including this page and the last page which is a formula page).
ENGR -503 Name: Final Exam, Sem. 03C ID N.: /6/003 3:30 5:30 p.m. Rm N.: 7B Fill in yur name and ID N. in the space abve. There shuld be pages (including this page and the last page which is a frmula page).
More informationChapter 39. A GUIDE TO THE DESIGN OP AIR BUBBLERS FOR MELTING ICE Simon Ince Hydraulics Section, National Research Council Ottawa, Canada
Chapter 39 A GUIDE T THE DESIGN P AIR BUBBLERS FR MELTING ICE Simn Ince Hydraulics Sectin, Natinal Research Cuncil ttawa, Canada INTRDUCTIN The use f air bubblers fr maintaining ice-free areas in lakes
More informationMethods of Determining Thermal Accommodation Coefficients from Free Molecular Flow Heat Transfer Data
The Space Cngress Prceedings 1969 (6th) Vl. 1 Space, Technlgy, and Sciety Apr 1st, 8:00 AM Methds f Determining Thermal Accmmdatin Cefficients frm Free Mlecular Flw Heat Transfer Data R. K. Irey University
More informationWAVE RESISTANCE AND LIFT ON CYLINDERS BY A COUPLED ELEMENT TECHNIQUE. R. Eatock Taylor and G.X. Wu
E Lab.. Sh,essbu&kunde Technic. r. WAVE RESISTANCE AND LIFT ON CYLINDERS BY A COUPLED ELEMENT TECHNIQUE R. Eatck Taylr and G.X. Wu Lndn Centre fr Marine Technlgy Department f Mechanical Engineering University
More information4F-5 : Performance of an Ideal Gas Cycle 10 pts
4F-5 : Perfrmance f an Cycle 0 pts An ideal gas, initially at 0 C and 00 kpa, underges an internally reversible, cyclic prcess in a clsed system. The gas is first cmpressed adiabatically t 500 kpa, then
More informationSupporting information
Electrnic Supplementary Material (ESI) fr Physical Chemistry Chemical Physics This jurnal is The wner Scieties 01 ydrgen perxide electrchemistry n platinum: twards understanding the xygen reductin reactin
More informationThe standards are taught in the following sequence.
B L U E V A L L E Y D I S T R I C T C U R R I C U L U M MATHEMATICS Third Grade In grade 3, instructinal time shuld fcus n fur critical areas: (1) develping understanding f multiplicatin and divisin and
More informationPlan o o. I(t) Divide problem into sub-problems Modify schematic and coordinate system (if needed) Write general equations
STAPLE Physics 201 Name Final Exam May 14, 2013 This is a clsed bk examinatin but during the exam yu may refer t a 5 x7 nte card with wrds f wisdm yu have written n it. There is extra scratch paper available.
More informationAnalytical investigations of thermo-geometrical parameters effects on heat transfer and performance of longitudinal radiating fin
Internatinal Jurnal f Energy and Pwer Engineering 4; 3(3): 39-46 Published nline June, 4 (http://www.sciencepublishinggrup.cm/j/ijepe) di: 48/j.ijepe.433.5 Analytical investigatins f therm-gemetrical parameters
More informationIntroduction to Three-phase Circuits. Balanced 3-phase systems Unbalanced 3-phase systems
Intrductin t Three-hase Circuits Balanced 3-hase systems Unbalanced 3-hase systems 1 Intrductin t 3-hase systems Single-hase tw-wire system: Single surce cnnected t a lad using tw-wire system Single-hase
More informationCoupled Inductors and Transformers
Cupled nductrs and Transfrmers Self-nductance When current i flws thrugh the cil, a magnetic flux is prduced arund it. d d di di v= = = dt di dt dt nductance: = d di This inductance is cmmnly called self-inductance,
More informationDepartment of Civil Engineering & Applied Mechanics McGill University, Montreal, Quebec Canada
Department f Ciil ngeerg Applied Mechanics McGill Uniersity, Mntreal, Quebec Canada CI 90 THRMODYNAMICS HAT TRANSFR Assignment #4 SOLUTIONS. A 68-kg man whse aerage bdy temperature is 9 C drks L f cld
More information( ) ( ) ( ) ( ) ( z) ( )
EE433-08 Planer Micrwave Circuit Design Ntes Returning t the incremental sectin, we will nw slve fr V and I using circuit laws. We will assume time-harmnic excitatin. v( z,t ) = v(z)cs( ωt ) jωt { s }
More informationModule 4: General Formulation of Electric Circuit Theory
Mdule 4: General Frmulatin f Electric Circuit Thery 4. General Frmulatin f Electric Circuit Thery All electrmagnetic phenmena are described at a fundamental level by Maxwell's equatins and the assciated
More informationAssume that the water in the nozzle is accelerated at a rate such that the frictional effect can be neglected.
1 HW #3: Cnservatin f Linear Mmentum, Cnservatin f Energy, Cnservatin f Angular Mmentum and Turbmachines, Bernulli s Equatin, Dimensinal Analysis, and Pipe Flws Prblem 1. Cnservatins f Mass and Linear
More informationLecture 4. The First Law of Thermodynamics
Lecture 4. The First Law f Thermdynamics THERMODYNAMICS: Basic Cncepts Thermdynamics: (frm the Greek therme, meaning "heat" and, dynamis, meaning "pwer") is the study f energy cnversin between heat and
More informationKinetics of Particles. Chapter 3
Kinetics f Particles Chapter 3 1 Kinetics f Particles It is the study f the relatins existing between the frces acting n bdy, the mass f the bdy, and the mtin f the bdy. It is the study f the relatin between
More information" 1 = # $H vap. Chapter 3 Problems
Chapter 3 rblems rblem At 1 atmsphere pure Ge melts at 1232 K and bils at 298 K. he triple pint ccurs at =8.4x1-8 atm. Estimate the heat f vaprizatin f Ge. he heat f vaprizatin is estimated frm the Clausius
More informationANSWER KEY FOR MATH 10 SAMPLE EXAMINATION. Instructions: If asked to label the axes please use real world (contextual) labels
ANSWER KEY FOR MATH 10 SAMPLE EXAMINATION Instructins: If asked t label the axes please use real wrld (cntextual) labels Multiple Chice Answers: 0 questins x 1.5 = 30 Pints ttal Questin Answer Number 1
More informationUnit 14 Thermochemistry Notes
Name KEY Perid CRHS Academic Chemistry Unit 14 Thermchemistry Ntes Quiz Date Exam Date Lab Dates Ntes, Hmewrk, Exam Reviews and Their KEYS lcated n CRHS Academic Chemistry Website: https://cincchem.pbwrks.cm
More informationSection 5.8 Notes Page Exponential Growth and Decay Models; Newton s Law
Sectin 5.8 Ntes Page 1 5.8 Expnential Grwth and Decay Mdels; Newtn s Law There are many applicatins t expnential functins that we will fcus n in this sectin. First let s lk at the expnential mdel. Expnential
More informationChapter 2. Kinematics in One Dimension. Kinematics deals with the concepts that are needed to describe motion.
Chapter Kinematics in One Dimensin Kinematics deals with the cncepts that are needed t describe mtin. Dynamics deals with the effect that frces have n mtin. Tgether, kinematics and dynamics frm the branch
More informationEffects of piezo-viscous dependency on squeeze film between circular plates: Couple Stress fluid model
Turkish Jurnal f Science & Technlgy Vlume 9(1), 97-103, 014 Effects f piez-viscus dependency n squeeze film between circular plates: Cuple Stress fluid mdel Abstract U. P. SINGH Ansal Technical Campus,
More informationThermodynamics and Equilibrium
Thermdynamics and Equilibrium Thermdynamics Thermdynamics is the study f the relatinship between heat and ther frms f energy in a chemical r physical prcess. We intrduced the thermdynamic prperty f enthalpy,
More informationWhen a substance heats up (absorbs heat) it is an endothermic reaction with a (+)q
Chemistry Ntes Lecture 15 [st] 3/6/09 IMPORTANT NOTES: -( We finished using the lecture slides frm lecture 14) -In class the challenge prblem was passed ut, it is due Tuesday at :00 P.M. SHARP, :01 is
More informationhttps://goo.gl/eaqvfo SUMMER REV: Half-Life DUE DATE: JULY 2 nd
NAME: DUE DATE: JULY 2 nd AP Chemistry SUMMER REV: Half-Life Why? Every radiistpe has a characteristic rate f decay measured by its half-life. Half-lives can be as shrt as a fractin f a secnd r as lng
More informationChapters 29 and 35 Thermochemistry and Chemical Thermodynamics
Chapters 9 and 35 Thermchemistry and Chemical Thermdynamics 1 Cpyright (c) 011 by Michael A. Janusa, PhD. All rights reserved. Thermchemistry Thermchemistry is the study f the energy effects that accmpany
More informationSession #22: Homework Solutions
Sessin #22: Hmewrk Slutins Prblem #1 (a) In the cntext f amrphus inrganic cmpunds, name tw netwrk frmers, tw netwrk mdifiers, and ne intermediate. (b) Sketch the variatin f mlar vlume with temperature
More informationChapter 19. Electrochemistry. Dr. Al Saadi. Electrochemistry
Chapter 19 lectrchemistry Part I Dr. Al Saadi 1 lectrchemistry What is electrchemistry? It is a branch f chemistry that studies chemical reactins called redx reactins which invlve electrn transfer. 19.1
More informationLifting a Lion: Using Proportions
Overview Students will wrk in cperative grups t slve a real-wrd prblem by using the bk Hw D yu Lift a Lin? Using a ty lin and a lever, students will discver hw much wrk is needed t raise the ty lin. They
More informationDifferentiation Applications 1: Related Rates
Differentiatin Applicatins 1: Related Rates 151 Differentiatin Applicatins 1: Related Rates Mdel 1: Sliding Ladder 10 ladder y 10 ladder 10 ladder A 10 ft ladder is leaning against a wall when the bttm
More informationUse a lens holder fabricated from SiC. SiC has a larger CTE than C-C, i.e. it is better matched to the SFL6.
Frm: Steve Sctt, Jinsek K, Syun ichi Shiraiwa T: MSE enthusiasts Re: MSE mem 101b: allwable thickness f Vitn sheet Nvember 25, 2008 Update frm MSE Mem 101b Let s assume: Vitn thickness = 1 mm Vitn mdulus
More informationINVESTIGATION OF REVERSE ELECTRODIALYSIS UNITS BY MULTIPHYSICAL MODELLING
INVESTIGATION OF REVERSE ELECTRODIALYSIS UNITS BY MULTIPHYSICAL MODELLING G. Battaglia, L. Gurreri, F. Santr, A. Cipllina, A. Tamburini, G. Micale, M. Cifal giuseppe.battaglia91@gmail.cm Scula Plitecnica
More informationLecture 13: Electrochemical Equilibria
3.012 Fundamentals f Materials Science Fall 2005 Lecture 13: 10.21.05 Electrchemical Equilibria Tday: LAST TIME...2 An example calculatin...3 THE ELECTROCHEMICAL POTENTIAL...4 Electrstatic energy cntributins
More informationEdexcel GCSE Physics
Edexcel GCSE Physics Tpic 10: Electricity and circuits Ntes (Cntent in bld is fr Higher Tier nly) www.pmt.educatin The Structure f the Atm Psitively charged nucleus surrunded by negatively charged electrns
More informationChapter 17: Thermodynamics: Spontaneous and Nonspontaneous Reactions and Processes
Chapter 17: hermdynamics: Spntaneus and Nnspntaneus Reactins and Prcesses Learning Objectives 17.1: Spntaneus Prcesses Cmparing and Cntrasting the hree Laws f hermdynamics (1 st Law: Chap. 5; 2 nd & 3
More informationCompressibility and collisional effects on thermal instability of a partially ionized medium
Pram~na, Vl. I0, N. 3, March 978, pp. 267-272, printed in India. Cmpressibility and cllisinal effects n thermal instability f a partially inized medium R C SHARMA and K C SHARMA Department f Mathematics,
More informationEngineering Approach to Modelling Metal THz Structures
Terahertz Science and Technlgy, ISSN 1941-7411 Vl.4, N.1, March 11 Invited Paper ngineering Apprach t Mdelling Metal THz Structures Stepan Lucyszyn * and Yun Zhu Department f, Imperial Cllege Lndn, xhibitin
More informationWYSE Academic Challenge Regional Mathematics 2007 Solution Set
WYSE Academic Challenge Reginal Mathematics 007 Slutin Set 1. Crrect answer: C. ( ) ( ) 1 + y y = ( + ) + ( y y + 1 ) = + 1 1 ( ) ( 1 + y ) = s *1/ = 1. Crrect answer: A. The determinant is ( 1 ( 1) )
More information2015 Regional Physics Exam Solution Set
05 Reginal hysics Exa Slutin Set. Crrect answer: D Nte: [quantity] dentes: units f quantity WYSE Acadeic Challenge 05 Reginal hysics Exa SOLUTION SET r F r a lengthass length / tie ass length / tie. Crrect
More informationComputational modeling techniques
Cmputatinal mdeling techniques Lecture 3: Mdeling change (2) Mdeling using prprtinality Mdeling using gemetric similarity In Petre Department f IT, Ab Akademi http://www.users.ab.fi/ipetre/cmpmd/ http://users.ab.fi/ipetre/cmpmd/
More information