SolutionsExample16-1

SolutionsExample16-1 - L o/Llzarc q t s5 SSSF Systems...

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Lo/Llzarc ,qts 5 / Single-lnlet, Single-Outlet SSSF Systems o There's only a single mass flow rate for this case For SSSF systems with single inlet and outlet, the symbol I denotes differences between exit and inlet properties (i.e., 8.h=h r-h il . Q, w, h, ke, pe are per unit of mass of fluid flowing O -w =,*1,, - h, +ry + s(2,- r,)J = n(M + Lke + Apn) q-w=M+Lke+Ne ME 2(N Example 16.1 Air enters a water-jacketed air compressor operating at steady state with a volumetric flow rate of 37 m3/min at 135 kPa, 305 K, and exits with a pressure of 580 kPa and a temperature of 400 K. The power input to the compressor is 155 kW. Energy transfer by heat from the compressed air to the cooling water circulating in the water jacket results in an increase in the of the cooling water. The pressure drop for the water flow in the cooling jacket can be negf ected (p,rrc,& pouu"tl. Heat from the outside of the as well as all kinetic and potential energy effects can be neglected. :+ Determine the temperature increase of the cooling water if the cooling water mass is 82 kg/min. (Answer: L1.0 K) ME 2OO

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SolutionsExample16-1 - L o/Llzarc q t s5 SSSF Systems...

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