FUND OF ENG THERMODYN(LLF)+WILEYPLUS
9th Edition
ISBN: 9781119391777
Author: MORAN
Publisher: WILEY
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3
3.
Ten Ibm of an ideal gas is compressed in a piston-cylinder arrangement to 1/10 of its initial volume. The ideal gas
has a molecular mass (M) of 25 and the ideal gas heat capacity is given by C, = 0.4 + 0.3 x 103 T-0.2 x 106 T² Btu/(lbm °R) where
Tis in Rankine. If the initial state 1 is 5 psi and 80° F and the process is polytropic with n=1,3, what is the final (state 2) pressure in
psi (8%), the final temperature in °R (8%), the work done in Btu (10%), and the internal energy change (rigorous integration of C.
from Tj to T2 is required) (12%), and the heat transfer in Btu (2%) for the process?
人3
13.
1.3
3-R+V B20x (4) 20x0"-
1.3
= 399.1 Psi
it
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- I need handwritten solution. Please don't use chatgpt. Thermodynamics.arrow_forwardA:EV 22.pdf QI/ Four kilograms of water are placed in an enclosed volume of 1 m³. Heat is added until the temperature is 150 ° C. Find the (a) pressure, (b) mass of the vapor, and (c) volume of the vapor. Q2/ A 1.343 × 10 ´ J fan is used in a large room to provide for air circulation. Assuming a well insulated, sealed room, determine the internal energy increase after 1 hour of operation.arrow_forwardInitially contains Air: P1 = 30 lbf/in^2 T1 = 540 °F V1 = 4 ft^3 Second phase of process involving Air to a final state: P2 = 20 lbf/in^2 V2 = 4.5 ft^3 Wheel transfers energy TO the air by WORK at 1 Btu. Energy transfers TO the air by HEAT at 12 Btu. Ideal Gas Behavior. Wpw =-1 Btu Ima Determine whether the propeller's work is done BY the system or On the system. Q = -12 Btu Air Wpist = ? Initially, p₁ = 30 lbf/in.², T₁ = 540°F, V₁ = 4 ft³. Finally, p2 = 20 lbf/in.², V₂ = 4.5 ft³.arrow_forward
- THERMODYNAMICS A gas initially at P1 = 0.01 bar and v1 = 15 gal undergoes isothermal process and change state to a point where P2 = 0.06 bar and v2 = 4.5 gal. Compute the heat transferred. (use 1 bar = 14.5038 psi and 1 gal=0.004546m3)arrow_forwardInitially contains Air: P1 = 30 lbf/in^2 T1 = 540 °F V1 = 4 ft^3 Second phase of process involving Air to a final state: P2 = 20 lbf/in^2 V2 = 4.5 ft^3 Wheel transfers energy TO the air by WORK at 1 Btu. Energy transfers TO the air by HEAT at 12 Btu. Ideal Gas Behavior. Find T2 in Radians. Wpw =-1 Btu Ima Q = -12 Btu Air Wpist = ? Initially, p₁ = 30 lbf/in.², T₁ = 540°F, V₁ = 4 ft³. Finally, p2 = 20 lbf/in.², V₂ = 4.5 ft³.arrow_forwardInitially contains Air: P1 = 30 lbf/in^2 T1 = 540 °F V1 = 4 ft^3 Second phase of process involving Air to a final state: P2 = 20 lbf/in^2 V2 = 4.5 ft^3 Wheel transfers energy TO the air by WORK at 1 Btu. Energy transfers TO the air by HEAT at 12 Btu. Ideal Gas Behavior. Wpw =-1 Btu Ima Determine whether the piston's work is done ON the system or BY the system. Q = -12 Btu Air Wpist = ? Initially, p₁ = 30 lbf/in.², T₁ = 540°F, V₁ = 4 ft³. Finally, p2 = 20 lbf/in.², V₂ = 4.5 ft³.arrow_forward
- Solve for mas flow rate, and compressor power in horsepower. Step by step solution please thank youarrow_forwardReferring to the reversible heat pump cycle shown in the figure, p1 = 14.7 Ibf/in?, p4 = 27.8 lbf/in?, v1 = 12.6 ft³/Ib, v4 = 8.0 ft³/lb, and the gas is air obeying the ideal gas model. P4 pi TH V4 VI Determine TH, in °R, and the coefficient of performance. Step 1 Determine TH, in °R. TH = °R Save for Later Attempts: 0 of 1 used Submit Answer Step 2 The parts of this question must be completed in order. This part will be available when you complete the part above.arrow_forwardThermodynamicsarrow_forward
- Thermodynamicsarrow_forwardPlease can you solve this question in thermodynamicsarrow_forwardInitially contains Air: P1 = 30 lbf/in^2 T1 = 540 °F V1 = 4 ft^3 Second phase of process involving Air to a final state: P2 = 20 lbf/in^2 V2 = 4.5 ft^3 Wheel transfers energy TO the air by WORK at 1 Btu. Energy transfers TO the air by HEAT at 12 Btu. Ideal Gas Behavior. Determine energy transfer by work based on the air to the piston in Btu. Wpw =-1 Btu Ima Q = -12 Btu Air Wpist = ? Initially, p₁ = 30 lbf/in.², T₁ = 540°F, V₁ = 4 ft³. Finally, p2 = 20 lbf/in.², V₂ = 4.5 ft³.arrow_forward
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