Help needed with heat exchanger question Effectiveness relations for heat exchangers: NTU = UA/Cminand C = Cmin/Cmax = (mC,)min/(ṁCplmaxHeat exchangertype1 Double pipe:NTU relations for heat exchangers NTU = UA/ Cminand C = Cmin/CmaxHeat exchanger type1 Double-pipe:= (mCp)min/(mC,)maxEffectiveness relation||NTU relation1- exp [-NTU(1 + C)]1+ CParallel-flowIn[1- e(1 + C)]1+ CNTU = -1- exp [-NTU(1 - C)]1 - Cexp [-NTU(1 - C)]Parallel-flowCounter-flowE =1-2 Shell and tube:Counter-flowNTU-InOne-shell passC- 1€С - 1-11+ exp [-NTUV1 + C®]1 - Cexp [-NTUV1 + C]2, 4, . . . tubeC+ V1 + C2.2 Shell and tube:passes2/ɛ - 1-C- V1 + C2One-shell pass2, 4, . . . tube passes1|Vnle - 1 – C + V1+ C²,3 Cross-flowNTU =+ C?2/8 -1-C+ V1 + C²,(single-pass)Both fluidsNTU0 223 Cross-flow (single-pass)ɛ = 1- exp:-[exp (-CNTUO.78) -CIn(1 – ɛC)Cmax mixed,Cmin unmixedunmixed|NTU = -In 1+CCmax mixed,Cmin unmixed==(1 - exp(1-C[1 – exp (-NTU)]})ECmin mixed,Cmax unmixedNTU = - InCIn(1 – ɛ) + 1]C|Cmin mixed,Cmax unmixede = 1- expexp (-CNTU)]4 All heat exchangers4 All heatNTU = -In(1 - 8)with C = 0exchangerswith C = 0e = 1- exp(-NTU)Source: Kays and London, Ref. 7.Source: Kays and London, Ref. 7. As a thermo-fluid engineer working for an energy startup located at Greentown Labs, you are tasked tocharacterize the performance of a heat exchanger that will be used in the Arctic Region to heat cold water(Cp=4180 J/kg °C) with a wvind-power-heated hot gas (c,=2100 J/kg·°C). Cold water enters the inner tubeof a double-pipe parallel flow heat exchanger at 4°C at a rate of 1.2 kg/s. The mass flow rate and the inlettemperature of hot gas is 2.3 kg/s and 52°C, respectively. If the inner tube has a diameter of 5 cm with 8m length and the overall heat transfer coefficient of the heat exchanger is 950 W/m2.°C, determine theoutlet temperature of cold water in °C. If needed, use efficiency-NTU equations given below NOT thefigures!!!

Given Inlet temperature of hot gas, Ti = 52oC Inlet temperature of cold water, T1 = 4oC…

As a thermo-fluid engineer working for an energy startup located at Greentown Labs, you are tasked to characterize the performance of a heat exchanger that will be used in the Arctic Region to heat cold water (Cp=4180 J/kg °C) with a wind-power-heated hot gas (cp=2100 J/kg-°C). Cold water enters the inner tube of a double-pipe parallel flow heat exchanger at 4°C at a rate of 1.2 kg/s. The mass flow rate and the inlet temperature of hot gas is 2.3 kg/s and 52°C, respectively. If the inner tube has a diameter of 5 cm with 8 m length and the overall heat transfer coefficient of the heat exchanger is 950 W/m2.°C, determine the outlet temperature of cold water in °C. If needed, use efficiency-NTU equations given below NOT the figures!!!

As a thermo-fluid engineer working for an energy startup located at Greentown Labs, you are tasked to characterize the performance of a heat exchanger that will be used in the Arctic Region to heat cold water (Cp=4180 J/kg °C) with a wind-power-heated hot gas (cp=2100 J/kg-°C). Cold water enters the inner tube of a double-pipe parallel flow heat exchanger at 4°C at a rate of 1.2 kg/s. The mass flow rate and the inlet temperature of hot gas is 2.3 kg/s and 52°C, respectively. If the inner tube has a diameter of 5 cm with 8 m length and the overall heat transfer coefficient of the heat exchanger is 950 W/m2.°C, determine the outlet temperature of cold water in °C. If needed, use efficiency-NTU equations given below NOT the figures!!!

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter10: Heat Exchangers

Section: Chapter Questions

Problem 10.31P

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