Physics, 16.03.2020 21:16 skincarewithcourtney
Air flows through an adiabatic turbine that is in steady operation. The air enters at 150 psia, 900oF, and 350 ft/s and leaves at 20 psia, 300oF, and 700 ft/s. The inlet area of the turbine is 0.1 ft2 . Determine the mass flow rate of the air and the power output of the turbine.
Answers: 2
![E_{in}-E_{out}=\bigtriangleup \dot E=0\\\\E_{in}=E_{out}\\\\\dot m(h_1+0.5V_1^2)=\dot W_{out}+\dot m(h_2+0.5V_2^2)+Q_{out}\\\\\dot W_{out}=\dot m(h_2-h_1+0.5(V_2^2-V_1^2))=-m({cp(T_2-t_1)+0.5(V_2^2-V_1^2)})\\\\\\\dot W_{out}=-(10.42lbm/s)[(0.25\frac{Btu}{lbm.\textdegree F})(300-900)\textdegree F+0.5((700ft/s)^2-(350ft/s)^2)(\frac{1\frac{Btu}{lbm}}{25037ft^2/s^2})]\\\\\\\\=1486.5\frac{Btu}{s}](/tpl/images/0549/1827/87718.png)
Another question on Physics
Physics, 21.06.2019 17:50
Which describes an image that can be produced by a concave lens? the image is real and smaller than the object. the image is virtual and larger than the object. the image is virtual and smaller than the object. the image is real and larger than the object.
Answers: 3
Physics, 21.06.2019 19:00
What term do psychologists use to designate our personal awareness of feelings, sensations, and thoughts?
Answers: 1
Physics, 21.06.2019 21:20
Abearing is designed to a reduce friction b. support a load c.guide moving parts such as wheels, shafts and pivots d. all of the above
Answers: 3
Physics, 22.06.2019 08:00
Who was the first scientist to measure speed as distance over time?
Answers: 1
You know the right answer?
Air flows through an adiabatic turbine that is in steady operation. The air enters at 150 psia, 900o...
Questions
Mathematics, 02.12.2019 17:31
History, 02.12.2019 17:31
Spanish, 02.12.2019 17:31
Mathematics, 02.12.2019 17:31
History, 02.12.2019 17:31
Mathematics, 02.12.2019 17:31
Mathematics, 02.12.2019 17:31
Biology, 02.12.2019 17:31
History, 02.12.2019 17:31
