Air (C, = 1005J/kg · °C) is to be preheated by hot exhaust gases in a cross-flow heat exchanger before it enters%3Dthe furnace. Air enters the heat exchanger at 95 kPa and 20°C at a rate of 0.8 m³ /s. The combustion gases(C, = 1100 J/kg · °C) enter at 180°C at a rate of 1.1 kg/s and leave at 95°C. The product of the overall heat%3Dtransfer coefficient and the heat transfer surface area is AU = 1200 W/°C. Assuming both fluids to be unmixed,determine the rate of heat transfer and the outlet temperature of the airAir95 kPa20°C0.8 m/sExhaust gases1.1 kg/s95°C

Given: Given:Cp,air=1005 J/Kg.KTci=20°Cmc=0.8 m3/sCp,gas=1100 J/Kg.KThi=180°CThe=95°Cmh=1.1…

Air (C, = 1005J/kg · °C) is to be preheated by hot exhaust gases in a cross-flow heat exchanger before it enters the furnace. Air enters the heat exchanger at 95 kPa and 20°C at a rate of 0.8 m3 /s. The combustion gases (C, = 1100J/kg · °C) enter at 180°C at a rate %3D 1.1 kg/s and leave at 95°C. The product of the overall heat transfer coefficient and the heat transfer surface area is AU = 1200 W/°C. Assuming both fluids to be unmixed, determine the rate of heat transfer and the outlet temperature of the air Air 95 kPa 20°C 0.8 m/s Exhaust gases

Air (C, = 1005J/kg · °C) is to be preheated by hot exhaust gases in a cross-flow heat exchanger before it enters the furnace. Air enters the heat exchanger at 95 kPa and 20°C at a rate of 0.8 m3 /s. The combustion gases (C, = 1100J/kg · °C) enter at 180°C at a rate %3D 1.1 kg/s and leave at 95°C. The product of the overall heat transfer coefficient and the heat transfer surface area is AU = 1200 W/°C. Assuming both fluids to be unmixed, determine the rate of heat transfer and the outlet temperature of the air Air 95 kPa 20°C 0.8 m/s Exhaust gases

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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