Required informationProblem 09.015 - 3-Step Air-Standard Cycle with Constant Specific Heats - DEPENDENT MULTI-PARTPROBLEM - ASSIGN ALL PARTSAn air-standard cycle with constant specific heats at room temperature is executed in a closed system with 0.003 kg of airand consists of the following three processes:1-2 v= Constant heat addition from 95 kPa and 17°C to 380 kPa2-3 Isentropic expansion to 95 kPa3-1 P = Constant heat rejection to initial stateThe 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 CycleCalculate the net work per cycle, in kJ. (You must provide an answer before moving on to the next part.)The net work per cycle iskJ.

Given that: The air standard cycle consists of three processes: Process 1-2: Constant volume heat…

Answered: An air-standard cycle with constant…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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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 %.
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 %.
16-4M A proposed air-standard cycle begins at 1.1 bars, 37°C, and 0.808 m³/kg. Process 1-2 is isentro- pic compression to 3.2 bars: process 2-3 is constant-pressure heating to 1050 K and 0.940 m³/kg; process 3-4 is constant-volume cooling to 1.1 bars; process 4-1 is constant-pressure cooling to the initial state, (4) Sketch Pv and Ts diagrams of the cycle. (b) Determine the amount of heat added and the net work output, in kJ/kg. (c) Compute the thermal efficiency. (d) What is the Carnot efficiency for a heat engine with the same maximum and minimum temperatures as the above cycle? Use air-table data.
Chapter 1 Gas Power Cycles Q1.1 (v6q9-15) An air-standard cycle with variable specific heats is executed in a closed system and is composed of the following four processes: 1-2 isentropic compression from 100kPa and 27C to 800 kPa; 2-3 v=constant heat addition to 1800K; 3-4 isentropic expansion to 100kPa; 4-1 p=constant heat rejection to initial state. (a) Show the cycle on p-v and T-s diagrams. (b) Calculate the net work output per unit mass. (c) Determine the thermal efficiency. Ans: 570.1 kJ/kg, 51.9%
Cancel RESET A O 16-4M A proposed air-standard cycle begins at 1.1 bars, 37°C, and 0.808 m³/kg. Process 1-2 is isentro- pic compression to 3.2 bars: process 2-3 is constant-pressure heating to 1050 K and 0.940 m²/kg process 3-4 is constant-volume cooling to 1.1 bars; process 4-1 is constant-pressure cooling to the initial state. (a) Sketch Po and Ts diagrams of the cycle. down (b) Determine the amount of heat added and the net work output, in kJ/kg (c) Compute the thermal efficiency. (d) What is the Carnot efficiency for a heat engine with the same maximum and minimum temperatures as the above cycle? Use air-table data. ... Done
The pressure ratio of a Brayton cycle with an air-powered regenerator is 8. The lowest and highest temperatures of the cycle are 310 K and 1150 K. The adiabatic efficiencies of the compressor and turbine are 75% and 82%, respectively, and the regenerator efficiency is 65%. Show the cycle in the T-sdiagram. Consider the variation of specific heats with temperature. a) The temperature of the air at the exit of the turbine,b) The completion of the cycle,c) Calculate the thermal efficiency of the cycle.
"It is important to take your measurements of temperature, pressure and piston height as quickly as possible after each transition stabilizes since " A) the ice melts easily and we want to get the isothermal process for the whole cycle the apparatus does leak air slightly and it is desired that the completed cycle to return to its initial conditions providing a closed PV diagram to analyze (c) the pressure changes drastically and we want to get an isobaric cycle D the hot bath could have a higher temperature and we want to get a lower temperature
Required information An air-standard cycle with variable specific heats is executed in a closed system with 0.0015 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. Determine the thermal efficiency. (Enter the percentage value but without the percentage sign.) The thermal efficiency is %.
Please Ans from 4 to 6 A standard vapor – compression cycle developing 87 kw of refrigeration using refrigerant R502 operates with a condensing temperature of 50C and an evaporating pressure of 300 kpa, 1- sketch the cycle on a P-h diagram and fill below: Enthalpy (kj/kg) h1= h2= h3= h4= 3- The refrigerating effect in kilojoules per kilogram 3- The mass flow rate of refrigerant 4- The power required by the compressor 5- The coefficient of performance 6- The volume flow rate measured at the compressor suction 7- The compressor discharge temperature. 8- If the compressor outlet temperature was (T2 = 70C) calculate the isentropic efficiency. 9- Dryness factor using equation (X4)
Q2:A constant pressure heat addition air standard cycle af a compression ratio of (17.0) .Heat is added at a rate of (1500 kJ/kg) and the atmospheric conditions are (1.0 bar) and (35 °C). Show the cycle on both P-V &T-S diagrams and calculate : 1-the temperature and pressure at each point in the cycle. 2-the thermal efficiency 3-mean effective pressure. [take y=1.4,Cv=0.715 kJ/kg.k & R=0.287kJ/kg.k]
Required information Problem 09.052 - Ideal Diesel Cycle with Variable Specific Heats - DEPENDENT MULTI-PART PROBLEM - ASSIGN ALL PARTS An air-standard Diesel cycle has a compression ratio of 16 and a cutoff ratio of 2. At the beginning of the compression process, air is at 103 kPa and 27°C. Account for the variation of specific heats with temperature. The gas constant of air is R= 0.287 kJ/kg-K. Problem 09.052.b - Thermal Efficiency in Variable Heat Capacity Diesel Cycle Determine the thermal efficiency. (You must provide an answer before moving on to the next part.) The thermal efficiency is 59.38 %.
An air-standard Carnot cycle operates between temperatures of 450 R and 1860 R. The minimum pressure in the cycle is 14.5 psi. The amount of heat supplied is 50 BTU/lb. Determine Match each item to a choice: the maximum pressure in the cycle the pressure after isothermal compression in the closed system Choices: none of these # 3012.894 psi # 19.77 psi # 1790.87 psi # 21.289 psi

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