Engineering, 26.07.2019 20:10 wutdmgamerz
Air initially at 15 psla and 60 f is compressed to 75 psia and 400 f. the power input to air under steady state condition is 5 hp and heat loss of 4 btu/lbm occurs during the process. if the change in potential energy and kinetic energles are neglected, what will be the mass flowrate in lbm/min.?
Answers: 2
![\dot{m}\left [ h_1+\frac{v_1^2}{2}+gz_1\right ]+\dot{Q}=\dot{m}\left [ h_2+[tex]\frac{v_2^2}{2}+gz_2\right ]+\dot{W}](/tpl/images/0136/1783/c444c.png)
![\dot{m}\left [ c_pT_1+\frac{0^2}{2}+g0\right ]+\dot{Q}=\dot{m}\left [ c_pT_2+\frac{0^2}{2}+g0\right ]+\dot{W}](/tpl/images/0136/1783/292a8.png)
![\dot{m}c_p\left [ T_1-T_2\right ]+\left [ -5hp\right ]=\dot{W} -5\times 746\times 3.4121](/tpl/images/0136/1783/793b6.png)
![-4\dot{m}-\dot{m}\times 0.24\times \left [ 400-60\right ]](/tpl/images/0136/1783/0b778.png)
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Air initially at 15 psla and 60 f is compressed to 75 psia and 400 f. the power input to air under s...
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