Air (cp = 1.005 kJ/kg·°C) is to be preheated by hot exhaust gases in a crossflow heat exchanger before it enters the furnace. Air enters the heat exchanger at 95 kPa and 20°C at a rate of 1.6 m3 /s. The combustion gases (cp = 1.10 kJ/kg·°C) enter at 180°C at a rate of 2.2 kg/s and leave at 95°C. Determine the rate of entropy generation.

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Q: An ideal gas (R= 0.2081 kJ/kgK, Cp=0.5203 ​​kJ/kgK, Cv=0.3122 kJ/kgK) at 90 kPa pressure and 25°C…

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A: Given data as P1=250 kPaT1=650 °C=923 Kv1=70 m/sP2=80 kPaT2=420 °C=693 Km˙=1.2 kg/sQloss=90 kW=90000…

Q: Sâturated liquid water is heated in a heat exchanger until it exits as a saturated liquid vapor…

A: Option d is correct.

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Q: Required information NOTE: This is a multi-part question. Once an answer is submitted, you will be…

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Q: Saturated liquid water is heated in a heat exchanger until it exits as a saturated liquid vapor…

A: Given:-For oil,Tho=150°CTco=40°Cmo=5 kg/sCo=2.2 kJ/kg-cFor water,Tcw=25°Cmw=1.5…

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A: Given, P1 = 80 kPa = 80000 PaT1 = 27 °C = 300 KV1 = 220 m/sm˙ = 2.5 kg/sT2 = 42 °C = 315 KA2 = 430…

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Q: Combustion gases enter a gas turbine at 627°C and 1.2 MPa at a rate of 2.5 kg/s and leave at 527°C…

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Q: - In a compressor, air enters at 100 kPa and 20 ° C and leaves the compressor at 1200 kPa and 300 °…

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A: Characteristic gas constant                        R=CP1-1k=1.151-11.3=0.265 kJ kg K the work output…

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A: Given data: Mass flow rate (m.)=2.5 kg/s h1 = 300.19 kJ/kg h2 = 315.27 kJ/kg A = 430 cm2 Q = 18 kJ/s…

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Q: What is the mass flow rate in hot stream kg/s?

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