Q9 An air-standard cycle is executed in a closed system with (0.002 Kg) of air, andit consists of the following three processes :1-2 Isentropic compression from (100 KPa) and (27 °C) to (700 KPa).2-3 P=constant heat addition to initial specific volume.3-1 v constant heat rejection to initial state.(a) Show the cycle on P-v and T-s diagram.(b) Calculate the maximum temperature in the cycle. Answer T3 = 2100 K(c) Determine the thermal efficiency. Answer 18.5%

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Answered: Q9 An air-standard cycle is executed in…

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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! Required information Problem 09.015 - 3-Step Air-Standard Cycle with Constant Specific Heats - DEPENDENT MULTI-PART PROBLEM - ASSIGN ALL PARTS An air-standard cycle with constant specific heats at room temperature is executed in a closed system with 0.003 kg of air and consists of the following three processes: 1-2 v= Constant heat addition from 95 kPa and 17°C to 380 kPa 2-3 Isentropic expansion to 95 kPa 3-1 P=Constant heat rejection to initial state The properties of air at room temperature are cp=1.005 kJ/kg-K, cv=0.718 kJ/kg-K, and k=1.4. Problem 09.015.a - P-v and T-s Diagrams for Constant Heat Capacity Air-Standard Cycle Show the cycle on P-v and T-s diagrams. (Please upload your response/solution using the controls provided below.) (You must provide an answer before moving on to the next part.) upload a response file (15MB max) Browse... No file selected. save
THERMODYNAMICS Consider an air-standard Otto cycle with a heat addition of 800 Btu/bm of air, a compression ratio of 7, and a pressure and temperature at the start of the compression process of 13 lbf/in2, 50 F to simulate an actual spark-ignition engine. Determine the maximum pressure and temperature of the cycle, the thermal efficiency of the cycle, and the mean effective pressure assuming the variation of specific heat with the value from table A-19E Show Complete solution on a paper.
A newly purchased sedan car operates on an ideal thermodynamic cycle. The engine has acompression ratio of 10. The ambient air pressure is 1 bar while temperature is 20 ºC. Themaximum temperature in the engine is 1600 K. Draw the ideal power cycle and label it.Utilizing the air-standard assumptions, determine (a) the gas temperature at the exits of thecompression and the expansion processes, (b) the specific works of compression, expansionand net, (c) heat supplied to the engine and (d) the thermal efficiency. please make it clear with space
A newly purchased sedan car operates on an ideal thermodynamic cycle. The engine has acompression ratio of 10. The ambient air pressure is 1 bar while temperature is 21 ºC. Themaximum temperature in the engine is 1600 K. Draw the ideal power cycle and label it.Utilizing the air-standard assumptions, determine (a) the gas temperature at the exits of thecompression and the expansion processes, (b) the specific works of compression, expansionand net, (c) heat supplied to the engine and (d) the thermal efficiency.
The intake air to an ideal Otto cycle has a maximum volume of 0.004 m3 at 27 o C and 101 kPa. If the displacement volume is 0.0035 m3 and the heat rejected from the cycle is 605 J, run an analysis to determine the following; 1- All volumes, pressures, and temperatures for all states. 2- The total heat added to the cycle, Qin 3- The total heat rejected from the cycle, Qrej 4- The total work done by the cycle, Wnet 5- The thermal efficiency of the cycle, ηth
Required information Problem 09.015 - 3-Step Air-Standard Cycle with Constant Specific Heats - DEPENDENT MULTI-PART PROBLEM - ASSIGN ALL PARTS An air-standard cycle with constant specific heats at room temperature is executed in a closed system with 0.003 kg of air and consists of the following three processes: 1-2 v= Constant heat addition from 95 kPa and 17°C to 380 kPa 2-3 Isentropic expansion to 95 kPa 3-1 P = Constant heat rejection to initial state The properties of air at room temperature are cp = 1.005 kJ/kg-K, cy= 0.718 kJ/kg-K, and k = 1.4. Problem 09.015.b - Net Work for Constant Heat Capacity Air-Standard Cycle Calculate the net work per cycle, in kJ. (You must provide an answer before moving on to the next part.) The net work per cycle is kJ.
Required information Problem 09.015 - 3-Step Air-Standard Cycle with Constant Specific Heats - DEPENDENT MULTI-PART PROBLEM - ASSIGN ALL PARTS An air-standard cycle with constant specific heats at room temperature is executed in a closed system with 0.003 kg of air and consists of the following three processes: 1-2 v= Constant heat addition from 95 kPa and 17°C to 380 kPa 2-3 Isentropic expansion to 95 kPa 3-1 P=Constant heat rejection to initial state The properties of air at room temperature are cp=1.005 kJ/kg-K, cv=0.718 kJ/kg-K, and k=1.4. Problem 09.015.c - Cycle Efficiency for Constant Heat Capacity Air-Standard Cycle Determine the thermal efficiency. The thermal efficiency is %.
1. Use constant specific heats at room temperature in solving the problem. An air-standard cycle with variable specific heats is executed in a closed system with 0.005 kg of air and consists of the following three processes: 1-2 v= constant heat addition from 95 kPa and 18°C to 375 kPa 2-3 Isentropic expansion to 95 kPa 3-1 P = constant heat rejection to initial state (a) Show the cycle on P-v and T-s diagrams. (b) Calculate the net work per cycle, in kJ. (c) Determine the thermal efficiency.
Required information Problem 09.014 - 3-Step Air-Standard Cycle with Variable Specific Heats - DEPENDENT MULTI-PART PROBLEM - ASSIGN ALL PARTS An air-standard cycle with variable specific heats is executed in a closed system with 0.0025 kg of air and consists of the following three processes: 1-2 v= Constant heat addition from 95 kPa and 17°C to 380 kPa 2-3 Isentropic expansion to 95 kPa 3-1 P = Constant heat rejection to initial state Use data from tables. Problem 09.014.c - Cycle Efficiency for Variable Heat Capacity Air-Standard Cycle Determine the thermal efficiency. The thermal efficiency is %.
At the beginning of compression in the otto engine cycle, P1= 101.35 kPa, T1 = 21 deg.C and Vi = 0.113 m². At the end of the compression process the pressure is 551.58 kPa. If 174.5 kJ/kg are added during the constant volume reversible. Heating process and the values of k and R for air are 1.4 and 0.287 kJ/kg.deg.K respectively. 2. a. Draw the P-V Diagram b. Draw the T-S Diagram c. Find the temperature at the end of compression d. Find the temperature at the beginning of expansion e. Find Heat removed f. Find the compression ratio g. Find the thermal efficiency
Consider an air-standard Otto cycle. At the beginning of the compression process, the pressure and temperature are 100 kPa and 300 K. The displacement volume is 2 liters, compression ratio is 10 and the pressure at the end of the combustion is 4 times the pressure at the end of the compression.Use cold-air standard calculations and determine: a) the pressure, temperature and volume at each state and fill in the below table: b) the net work per cycle, in kJ c) the thermal efficiency of the cycle.
In the ideal Rankine cycle, the constant pressure heat addition occurs in a condenser pump O boiler turbine In an ideal gas mixture, the molar mass is equal to the ratio of universal gas constant to the gas constant. Select one: O True O False The multi-stage compression as compared to single-stage compression reduces work done per kg of air Select one: O True O False The compressibility factor (Z) for ideal gas is equal to one and for real gases can be greater or less than one. Select one: O True O False

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