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Consider a Brayton cycle with air as the working fluid The pressure ratio in the compressor is 15. The maximum temperature is 1700 K The compressor efficiency is 0.85 The turbine efficiency is 0.87 The inlet temperature is 300 K Inlet stagnation pressure is 100 kPa There is a 5% drop in pressure in the combustor. Will a regenerator increase the efficiency of this engine? Assume variable specific heats. Check all that is correct. O It will as long as the ideal compressor exit temperature is higher than the ideal turbine exit temperature. No the regenerator will causes pressure drops droppinng power out put and dropping thermal efficiency. O It will as long as the actual compressor exit temperature is lower than the actual turbine exit temperature. Yes because the turbine exit enthalpy is above the compressor exit enthalpy

Consider a Brayton cycle with air as the working fluid The pressure ratio in the compressor is 15. The maximum temperature is 1700 K The compressor efficiency is 0.85 The turbine efficiency is 0.87 The inlet temperature is 300 K Inlet stagnation pressure is 100 kPa There is a 5% drop in pressure in the combustor. Will a regenerator increase the efficiency of this engine? Assume variable specific heats. Check all that is correct. O It will as long as the ideal compressor exit temperature is higher than the ideal turbine exit temperature. No the regenerator will causes pressure drops droppinng power out put and dropping thermal efficiency. O It will as long as the actual compressor exit temperature is lower than the actual turbine exit temperature. Yes because the turbine exit enthalpy is above the compressor exit enthalpy

Elements Of Electromagnetics
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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Consider a Brayton cycle with air as the working fluid The pressure ratio in the compressor is 15. The maximum temperature is 1700 K The compressor efficiency is 0.85 The turbine efficiency is 0.87 The inlet temperature is 300 K Inlet stagnation pressure is 100 kPa There is a 5% drop in pressure in the combustor. Will a regenerator increase the efficiency of this engine? Assume variable specific heats. Check all that is correct. It will as long as the ideal compressor exit temperature is higher than the ideal turbine exit temperature. O No the regenerator will causes pressure drops droppinng power out put and dropping thermal efficiency. It will as long as the actual compressor exit temperature is lower than the actual turbine exit temperature. O Yes because the turbine exit enthalpy is above the compressor exit enthalpy
Transcribed Image Text:Consider a Brayton cycle with air as the working fluid The pressure ratio in the compressor is 15. The maximum temperature is 1700 K The compressor efficiency is 0.85 The turbine efficiency is 0.87 The inlet temperature is 300 K Inlet stagnation pressure is 100 kPa There is a 5% drop in pressure in the combustor. Will a regenerator increase the efficiency of this engine? Assume variable specific heats. Check all that is correct. It will as long as the ideal compressor exit temperature is higher than the ideal turbine exit temperature. O No the regenerator will causes pressure drops droppinng power out put and dropping thermal efficiency. It will as long as the actual compressor exit temperature is lower than the actual turbine exit temperature. O Yes because the turbine exit enthalpy is above the compressor exit enthalpy
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