Engineering, 05.09.2020 01:01, raweber
A heat recovery steam generator is a type of heat exchaner in which thermal energy is used to produce steam. The Dell Children’s Medical Center in Austin, TX uses an HRSG to produce wet steam from the hot exhaust gases of the Solar Turbine Mercury 50 gas turbine engine. The hot exhaust gases (model as air) enter the heat exchanger at 700 °F and at a mass flow rate of 38.7 lbm/s. Saturated liquid water enters the heat exchanger at 80 psia where it is converted to saturated vapor by receiving heat from the hot exhaust gases. The HRSG has a 2nd Law efficiency (effectiveness) of 80%. For this heat exchanger determine:a) the temperature of the exhaust gases (air) leaving the heat exchanger (°F).b) the mass flow rate of steam produced (lbm/s).
Answers: 2
Engineering, 04.07.2019 18:10, danksans7011
The mass flow rate of the fluid remains constant in all steady flow process. a)- true b)- false
Answers: 1
Engineering, 04.07.2019 18:10, heidiburgos1own6c0
Fluids at rest possess no flow energy. a)- true b)- false
Answers: 3
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