Engineering, 11.07.2019 01:10, bryantjorell
Asimple brayton cycle is working under the following conditions: working fluid: air pressure ratio: 8 minimum and maximum temperatures of the cycle: 290k and 1500 k, respectively an engineer decides to double the pressure ratio and keep the maximum and minimum temperatures constant. evaluate the change in specific net work and thermal efficiency of the cycle as result of that modification. assume variable specific heat for the air.
Answers: 3
Engineering, 04.07.2019 18:20, kodyclancy
Aquick transition of the operating speed of a shaft from its critical speed will whirl amplitude. (a) increase (b) limit (c) not affect (d) zero
Answers: 2
Engineering, 04.07.2019 18:20, cxttiemsp021
Atank with constant volume contains 2.27 kg of a mixture of water phases (liquid-vapor). in the initial state the temperature and the quality are 127 °c and 0.6, respectively. the mixture is heated until the temperature of 160 oc is reached. illustrate the process in a t-v diagram. then, determine (1) the mass of the vapor in kg at the initial state, (2) the final pressure in kpa.
Answers: 3
Asimple brayton cycle is working under the following conditions: working fluid: air pressure ratio...
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