ME 40
Thermodynamics
Spring 2009
Quiz #2
February 23, 2009
Name:
SID:
Instructions:
Read each question carefully. Take into consideration the point values for each question. Write
your name and SID on
FINAL EXAMINATION FROM 2000
ME 40 FALL 2009 PRACTICE FINAL: REMEMBER, THIS EXAM IS MORE
DIFFICULT THAN YOUR FINAL WILL BE. DONT PANIC.
NAME_
This examination is open book and open notes. The test cons
Review Problems, Chapter 1, Issued September 3rd, 2014
Problems 16, 17, 18, 53, 67, 103, 106, 114, 124, 125 from the 7th Edition of Cengel and Boles,
Thermodynamics.
Problem 16: The gas tank of a car
Review Problems, Chapter 4, Issued September 26th, 2014
Problems 24, 37, 66, 69, 93, 116, 125, 142, 149, 150, 195 from the 7th Edition of Cengel and
Boles, Thermodynamics.
Problem 5-24
Air flows stead
University of California, Berkeley
Department of Mechanical Engineering
PROBLEM SET 8 (DUE THURSDAY, NOVEMBER 10TH AT 11:59 P.M.)
REPORTING
Report your results by providing:
Submit a .zip folder conta
ME 40 Thermodynamics Spring 2017
Homework 5
Due: Friday March 10th, 2017 in class at 1 pm
1. Water at 70 kPa and 100 oC is compressed isentropically in
a closed system to 4 MPa. Determine the final
University of California, Berkeley
Department of Mechanical Engineering
PROBLEM SET 9 (DUE MONDAY, NOVEMBER 21ST AT 11:59PM)
REPORTING
A .zip folder containing your MATLAB function refricyc.m as well
UCB, Fall 2016
M. Frenklach
Page 1 of 5
Part B
The results are plotted below.
As seen in the plot, the thermal efficiency exhibits diminishing gains with increased split and
compression ratios. It is
UCB, Fall 2016
M. Frenklach
Page 1 of 8
PART A
A function was written to perform the thermodynamic analysis of the Rankine cycle with the
modifications outlined in the problem statement.
(a) Ideal Ran
ME 40
Midterm 1
March 2, 2016
Instructions: Closed Book; Answer all questions; Write clearly and in an organized manner.
Use SI units throughout.
Ru = 8.314 kJ/kmolK = 0.08314 barm3/kmolK
1 kJ/kg = 10
UCB, Fall 2016
M. Frenklach
Page 1 of 7
Homework Problem Set 5 Solutions
Part A
Matlab function mix.m solves the energy balance (1st Law) for an open system at steady state, with
negligible changes in
UCB, Fall 2016
M. Frenklach
Page 1 of 9
Homework Problem Set 4 Solutions
PART B
1)
Steam flows steadily through an adiabatic turbine. The inlet conditions of the steam are 6 MPa, 400 C,
and 80 m/s, an
ME40 (Thermodynamics)
Fall 2015
HW4 (Due Wednesday 9/23/2015, 3:00 pm)
PROBLEM 1
4-126
A mass of 5 kg of a saturated liquid-vapor mixture is contained in a piston-cylinder device at 120.90
kPa. Initia
ME 40 Thermodynamics Spring 2017
Homework 4
Due: Friday February 24th, 2017 in class at 1 pm
1. Helium is to be compressed from 105 kPa and 295 K to 700
kPa and 460 K. A heat loss of 15 kJ/kg occurs
ME 40 Thermodynamics Spring 2017
Homework 9
Due: Monday April 24th, 2017 at 1 pm
In class or in the HW box in Etch, 3rd Floor
1. Refrigerant-134a enters the compressor of a refrigerator at 100 kPa a
ME 40 Thermodynamics Spring 2017
Homework 6
Due: Friday March 17th, 2017 in class at 1 pm
1. Refrigerant-134a is expanded isentropically from 600 kPa
and 70 oC at the inlet of a steady-flow turbine
ME 40 Thermodynamics Spring 2017
Homework 8
Due: Friday April 14th, 2017 at 1 pm
In class or in the HW box in Etch, 3rd Floor
1.
A simple Rankine cycle uses H2O as the working fluid. The
boiler oper
ME 40 Thermodynamics (CCN 55356)
Fall 2015
Wednesday August 26th to Tuesday December 15th, 2015
Instructor:
Dr. David Rich
([email protected], [email protected])
Office: 60 A Hesse Hall
Of
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ME40 (Thermodynamics 2015)
HW 11-12 (Due Wednesday 11/11/15 @ 3PM)
PROBLEM 6 (Chapter 11)
An ideal vapor-compression refrigeration cycle that uses refrigerant-134a as its working
fluid maintains a con
ME40 (Thermodynamics 2015)
HW 13 (Due Wednesday 11/18/15 @ 3PM)
PROBLEM 1 (Chapter 13)
A gas mixture consists of 5 kmol of H2 and 4 kmol of N2. Determine the mass of each gas
and the apparent gas cons
UCB, Fall 2016
M. Frenklach
Page 1 of 5
Homework Problem Set 3 Solutions
Part A
calcWork.m was modified to incorporate a calculation of work done in an isothermal
process by an ideal gas.
Part B
THERMODYNAMICS: Part 2
Chemical Reactions
Combustion
ME 40 Thermodynamics, Miguel Sierra Aznar
164
8/3/2016
Lecture 17 Outline
1. Combustion
2. Enthalpy of Formation and Enthalpy of
Combustion
3. 1st
Lecture 3
ENERGY, ENERGY TRANSFER
AND GENERAL ENERGY
ANALYSIS
ME 40 Thermodynamics, Miguel Sierra Aznar
79
6/17/2016
Lecture 3 Outline
0. Previously in Thermodynamics!
1. Forms of Energy
2. Forms of E
Lecture 2
PROPERTIES OF PURE
SUBSTANCES AND MIXTURES
ME 40 Thermodynamics, Miguel Sierra Aznar
46
6/10/2016
Lecture 2 Outline
1. State Property Diagrams and Tables
1. Diagrams
2. Tables
2.
3.
4.
5.
Co
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