Gas Air Argon Butane Table 1.0: Ideal gas specific heats of various common gases Gas constant, R kJ/kg.K Carbon dioxide Carbon monoxide Ethane Formula - Ar C₂H₁0 CO₂ CO C₂H6 0.2870 0.2081 0.1433 0.1889 0.2968 0.2765 Cp kJ/kg-K 1.005 0.5203 1.7164 0.846 1.040 1.7662 C₂ kJ/kg-K 0.718 0.3122 1.5734 0.657 0.744 1.4897 k 1.400 1.667 1.091 1.289 1.400 1.186 1. 007

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Instructions: Please refer at the 2nd photo below for the table.

Table 1.0: Ideal gas specific heats of various common gases
Gas constant, R
Gas
Formula
kJ/kg-K
kJ/kg-K
kJ/kg-K
k
1.005
0.5203
1.7164
0.846
1.040
Air
1.400
0.2870
0.2081
0.1433
0.1889
0.718
Argon
Butane
Carbon dioxide
Carbon monoxide
0.3122
1.5734
0.657
0.744
Ar
C,H10
CO2
CO
1.667
1.091
1.289
1.400
0.2968
Ethane
0.2765
0.2964
2.0769
4.1240
1.7662
1.5482
5.1926
14.307
2.2537
1.0299
1.039
1.7113
0.918
1.4897
1.2518
3.1156
10.183
1.7354
0.6179
0.743
1.6385
0.658
1.4909
1.4108
1.186
1.237
Ethylene
Helium
C2H4
Не
Hydrogen
Methane
H2
CHA
1.667
1.405
1.299
0.5182
0.4119
0.2968
Neon
Ne
1.667
1.400
Nitrogen
Octane
N2
C3H18
02
Oxygen
Propane
Steam
0.0729
0.2598
0.1885
0.4615
1.044
1.395
1.126
1.327
1.6794
1.8723
H20
Transcribed Image Text:Table 1.0: Ideal gas specific heats of various common gases Gas constant, R Gas Formula kJ/kg-K kJ/kg-K kJ/kg-K k 1.005 0.5203 1.7164 0.846 1.040 Air 1.400 0.2870 0.2081 0.1433 0.1889 0.718 Argon Butane Carbon dioxide Carbon monoxide 0.3122 1.5734 0.657 0.744 Ar C,H10 CO2 CO 1.667 1.091 1.289 1.400 0.2968 Ethane 0.2765 0.2964 2.0769 4.1240 1.7662 1.5482 5.1926 14.307 2.2537 1.0299 1.039 1.7113 0.918 1.4897 1.2518 3.1156 10.183 1.7354 0.6179 0.743 1.6385 0.658 1.4909 1.4108 1.186 1.237 Ethylene Helium C2H4 Не Hydrogen Methane H2 CHA 1.667 1.405 1.299 0.5182 0.4119 0.2968 Neon Ne 1.667 1.400 Nitrogen Octane N2 C3H18 02 Oxygen Propane Steam 0.0729 0.2598 0.1885 0.4615 1.044 1.395 1.126 1.327 1.6794 1.8723 H20
Question 2:
A certain ideal gas (unknown) inside a close piston-cylinder assembly undergoes a set
of processes that composed of Isothermal expansion from State point 1 to state
point 2. Isometric heat rejection from state point 2 to state point 3, and Isentropic
compression from state point 3 back to the initial condition. If the maximum pressure
is 3000kPa and maximum and minimum volume is 200cm' and 50cm', analyze the
problem and perform the following:
a. Draw and label the graph of this set of processes in the P-V and T-S diagram
showing the state point numbers and energy directions.
b. From the known ideal gases as shown in Table 1.0, select the best suited ideal
gas to attain the processes stated if the lowest pressure is limited to
629.8kPa. Assume a constant specific heat.
c. For the selected ideal gas from b, compute the work of compression (kJ/kg),
work of expansion (kJ/kg), and heat rejected (kJ/kg)
Transcribed Image Text:Question 2: A certain ideal gas (unknown) inside a close piston-cylinder assembly undergoes a set of processes that composed of Isothermal expansion from State point 1 to state point 2. Isometric heat rejection from state point 2 to state point 3, and Isentropic compression from state point 3 back to the initial condition. If the maximum pressure is 3000kPa and maximum and minimum volume is 200cm' and 50cm', analyze the problem and perform the following: a. Draw and label the graph of this set of processes in the P-V and T-S diagram showing the state point numbers and energy directions. b. From the known ideal gases as shown in Table 1.0, select the best suited ideal gas to attain the processes stated if the lowest pressure is limited to 629.8kPa. Assume a constant specific heat. c. For the selected ideal gas from b, compute the work of compression (kJ/kg), work of expansion (kJ/kg), and heat rejected (kJ/kg)
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