1: Calculate the work produced by the following processes of ideal gas with the mass 15
kg.
a.
The isothermal process from 1 to 2 state.
b. The process from 2 to 1 state.
?,v, _ T,
2
-1"2-.
V,
c.
=
f;t.V
The cyclic process of 1-2-1.
\;t V,
PI
0.3
2: A win
1: Calculate the work produced by the following processes of ideal gas with the mass 17
kg.
P2 '1,-,
PI\II'"
(3o:tflA.)
a. The isothermal process from 1 to 2 state.
b. The process from 2 to 1 state.
~
0.\03).
The cyclic process of 1-2-1.
(LjQ,51'1'3) '" (
QUIZ I
ENGR 23000 THERMODYNAMICS
Fall 2010
Name: Arlng AFZAL , 6?C(/
1. A tank contains 30 kg of water at 95 C. 10 kg of water is in the liquid form and
l the rest is in the vapor form. The saturation pressure is 84.6 kPa, the specic
volume of saturated u
QUIZ I
ENGR 23 000 THERMODYNAMICS
Spring 201 1
Name:
1. Answer to the following:
\0 a. Describe the zeroth law of thermodynamics.
b. Describe several types of phase transition.
c. Draw the P-v and T-v diagrams of phase transition process from water to
v
1. Calculate the work produced by the following processes of ideal gas with the .
f ~4r [j4;S
mass 5 kg.
~ '" 5Y'j
a. The isothermal process from 1 to 2 state.
k/ov ~: V I Y, ~
f
c)
b. The process from 3 to 1 state.
c. The cyclic process of 1-2-3-1.
V
.
V
ENG23000 M Thermodynamics City College of New York
Midterm Exam March 18, 2010 Name:
Problem 1:
A closed system operates on the abc cycle shown in the gure.
From a to b, 30 kJ/kgyvork is done by the system and 15 kJ/kg
heat is rejected from the system. Fr
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2. Compare the Otto cycle and the Diesel cycle.
a. Draw the P-v, T-s and T-v diagrams.
b. Discuss the similarity and the difference about their thermal efficiencies.
c. Based on these two cycles, draw the P-v and the T-s diagrams of the dual cycle.
3. Con
2. Compare the Otto cycle and the Diesel cycle.
a. Draw the P-v, T-s and T-v diagrams.
b. Discuss the similarity and the difference about their thermal efficiencies.
c. Based on these two cycles, draw the P-v and the T-s diagrams of the dual cycle.
3. Con
Research Paper:
Thermodynamics and Renewable Energy
Abstract
The purpose of this paper is to determine the applications of thermodynamics and its
principles in tangent with the field of Renewable Energy. We will be looking at thermodynamics
as a whole, an
1: Calculate the work produced by the following processes of ideal gas with the mass 15
kg.
110
a. The isothermal process from 1 to 2 state.
b. The process from 2 to 1 state.
c. The cyclic process of 1-2-1.
\] ~ r()o
Vsp - (15 Kj)(O.l
V-:l0.'5('cfw_)~
"00
-il;:
1-
1(7) -
'/ \/7') )Z
1: A heat engine receives heat from a heat source at 1500 C and rejects heat to a heat
~ L, ~
sink at 70 C. The heat engine does maximum work equal to 600 kJ.: W"-'~M"'"
_
V1M.1"'~'
)( a. Draw the energy flow diagram for the he
1: A heat engine that receives heat from a furnace at 1500 C at a rate of 700 kW and
Mejects
waste heat to an atmosphere at 20 C. The power output of the heat engine is 200
kW.
a.
Determine the reversible power of the heat engine for this process.
b.
Dete
1: A heat engine that receives heat from a furnace at 1500 C at a rate of700 kWand
rejects waste heat to an atmosphere at 20 C. The power output of the heat engine is 200
~W.
a.
Determine the reversible power of the heat engine for this process.
b. Determ
1: Calculate the work produced by the following processes of ideal gas with the mass 15
rVJ
kg.
a. The isothermal process from 1 to 2 state.
"~(?l
(,~)
b. The process from 2 to 1 state.
ys ff?
v:.:
c. The cyclic process of 1-2-1.
P2 -= lDO
"2.-=
p\
~'O
-=
1: Calculate the work produced by the following processes of ideal gas with the mass 5
kg, the pressure P2=510 kPa, the specific volume vl=O.2 m3/kg, and the specific
volume v2=O.8 m3/kg in the P-v property diagram.
I\fJ
a. The isothermal process from 1 t