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Engineering, 22.11.2019 03:31, 1341220857
Apiston/cylinder device operating in a cycle with steam as the working fluid executes the following steps: ∙ saturated-vapor steam at 300 (psia) is heated at constant pressure to 900(°f). ∙ it then expands, reversibly and adiabatically, to the initial temperature of 417.35(°f). ∙ finally, the steam is compressed in a mechanically reversible, isothermal process to the initial state. what is the thermal efficiency of the cycle?
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Engineering, 04.07.2019 18:20, RiverH246
Air flows over a heated plate àt a velocity of 50m/s. the local skin factor coefficient at a point on a plate is 0.004. estimate the local heat transfer coefficient at this point. the following property data for air are given: density = 0.88kg/m3 , viscosity 2.286 x 10 ^-5 kgm/s , k = 0.035w/mk ,cp = 1.001kj/kgk. use colburn reynolds analogy.
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Apiston/cylinder device operating in a cycle with steam as the working fluid executes the following...
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