Engineering, 26.07.2019 17:20 nkslsj
Abrayton cycle with regeneration using air as the working fluid has a pressure of 7. the minimum and maximum temperatures in the cycle are 310 and 1150 k. assuming an isentropic efficiency of 75 percent for the compressor and 82 percent for the turbine and an effectiveness of 65 percent for the regenerator; determine (a) the air temperature at the turbine exit, (b) the net work output, and (c) the thermal efficiency.
Answers: 2
Engineering, 04.07.2019 18:10, anna22684
Water at 70°f and streams enter the mixing chamber at the same mass flow rate, determine the temperature and the quality of the exiting stream. 0 psia is heated in a chamber by mixing it with saturated water vapor at 20 psia. if both streams enters the mixing chamber at the same mass flow rate, determine the temperature and the quality of the existing system.
Answers: 2
Engineering, 04.07.2019 19:10, jrcspiderman2003
Asteel wire of 2 mm diameter is fixed between two points located 2 m apart. the tensile force in the wire is 250n, if its density of steel is given by 7830 kg/m3 the fundamental frequency of vibration hz? ?
Answers: 3
Engineering, 04.07.2019 19:20, nikkiebartels
Afan that can provide air speeds up to 60 m/s is to be used in a low-speed wind tunnel with atmospheric air at 35 c. if one wishes to use the wind tunnel to study flat-plate boundary layer behavior up to reynolds numbes of re 10, what is the minimum plate length that should be used? at what distance from the leading edge would transition occur if the critical reynolds nurnber were rer, e = 5 × 105?
Answers: 2
Abrayton cycle with regeneration using air as the working fluid has a pressure of 7. the minimum and...
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