Please help me .. answer my Question , I don't want to quote or plagiarize, don't use your handwriting just use MS Word . To cool the lubricating oil, a concentric counter-flow heat exchanger (see Figure Q1) is utilized,with the water flowing via an internal pipe with an internal diameter of 0.02 m and a flow rate of0.18 kg/s. The intake and output oil temperatures are 95°C and 65°C, respectively, as the oil runsthrough the outer annulus (0.04 m) at a flow rate of 0.12 kg/s. The water enters the heat exchangerat a temperature of 30°C.Stating all the necessary assumptions,(a) determine required length of the pipe.(b) Considering the effect of fouling đuring operation through time and the heat transferresistance would be affected, discuss the design and operation considerations to minimizethe fouling problem on the opertion of the heat exchanger during design and operationstages.Consider average value of Engine oil property: C-2131 JM/kg°C; µ=0.0325 Ns/m?; K=0.138W/m°CConsider average value of water properties: C-4174 J/kg°C; µ=725x 10-6 Ns/m?; K=0.138W/m°C; Pr=4.85AnnulusOilInner tubed = 40 mm d, = 20 mmWaterOilFigure Q1

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To cool the lubricating oil, a concentric counter-flow heat exchanger (see Figure Q1) is utilized, with the water flowing via an internal pipe with an internal diameter of 0.02 m and a flow rate of 0.18 kg/s. The intake and output oil temperatures are 95°C and 65°C, respectively, as the oil runs through the outer annulus (0.04 m) at a flow rate of 0.12 kg/s. The water enters the heat exchanger at a temperature of 30°C.

To cool the lubricating oil, a concentric counter-flow heat exchanger (see Figure Q1) is utilized, with the water flowing via an internal pipe with an internal diameter of 0.02 m and a flow rate of 0.18 kg/s. The intake and output oil temperatures are 95°C and 65°C, respectively, as the oil runs through the outer annulus (0.04 m) at a flow rate of 0.12 kg/s. The water enters the heat exchanger at a temperature of 30°C.

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 10.46P

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To cool the lubricating oil, a concentric counter-flow heat exchanger is utilized, with the water flowing via an internal pipe with an internal diameter of 0.02 m and a flow rate of 0.18 kg/s. The intake and output oil temperatures are 95ºC and 65ºC, respectively, as the oil runs through the outer annulus (0.04 m) at a flow rate of 0.12 kg/s. The water enters the heat exchanger at a temperature of 30ºC. Stating all the necessary assumptions, (a) determine required length of the pipe. (b) Considering the effect of fouling during operation through time and the heat transfer resistance would be affected, discuss the design and operation considerations to minimize the fouling problem on the opertion of the heat exchanger during design and operation stages. Consider average value of Engine oil property: Cp=2131 J/kgoC; μ=0.0325 Ns/m2; K=0.138 W/moC Consider average value of water properties: Cp=4174 J/kgoC; μ=725x 10-6 Ns/m2; K=0.138 W/moC; Pr=4.85
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