Engineering, 11.10.2019 06:00 xojade
Acombined cycle power plant has a net power output of 287 mw. air enters the compressor of the brayton cycle at 280 k and 100 kpa. the pressure ratio is 21, the turbine inlet temperature is 1600 k and the gases leaving the turbine are used to heat the steam of the rankine cycle to 500oc and 4 mpa. the combustion gas leaves the heat exchanger (hrsg) at 400 k and the condenser pressure is 10 kpa. the isentropic efficiency of the compressor is 90%, the gas turbine efficiency is 91%, the steam turbine efficiency is 94% and the pump efficiency is 68%. determine: heat input in the combustion chamber, qin (in kw) the overall efficiency of the cycle.
Answers: 2
Engineering, 04.07.2019 18:10
Different types of steels contain different elements that alter the characteristics of the steel. for each of the following elements, explain what the element does when alloyed with steel.
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Engineering, 04.07.2019 18:10
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Engineering, 04.07.2019 19:10
The short distance from the objective lens to the object causes problems at high magnification. which of the following is the most serious? a. cleaning the object surface b. positioning the object c. reflection from the object surface. d. illumination of the object
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Engineering, 04.07.2019 19:10
A)-explain briefly the importance of standards in engineering design. b)- what is patent? c)-explain the relationship between these standards: b.s. and b.s.en d)- in engineering design concepts, types of loads and how they act are important factors. explain.
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Acombined cycle power plant has a net power output of 287 mw. air enters the compressor of the brayt...
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