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Engine oil enters a circular tube D=10-cm in diameter and L=23-m in length. If the flow rate and inlet temperature of the oil are m=0.4-kg/s and Tm,i =18°C, find the thermal entry length (x1th =?) in the tube? Note: Use the following properties at mean temperature of the engine oil. µ=0.50 N.s/m², v = 1.1 × 10-7 m²/s, Pr = 220

Engine oil enters a circular tube D=10-cm in diameter and L=23-m in length. If the flow rate and inlet temperature of the oil are m=0.4-kg/s and Tm,i =18°C, find the thermal entry length (x1th =?) in the tube? Note: Use the following properties at mean temperature of the engine oil. µ=0.50 N.s/m², v = 1.1 × 10-7 m²/s, Pr = 220

Elements Of Electromagnetics
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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Engine oil enters a circular tube D=10-cm in diameter and L=23-m in length. If the flow rate and inlet temperature of the oil are m=0.4-kg/s and Tm.i =18°C, find the thermal entry length (x,h =?) in the tube? Note: Use the following properties at mean temperature of the engine oil. H=0.50 N.s/m², v = 1.1 × 10-7 m²/s, Pr = 220
Transcribed Image Text:Engine oil enters a circular tube D=10-cm in diameter and L=23-m in length. If the flow rate and inlet temperature of the oil are m=0.4-kg/s and Tm.i =18°C, find the thermal entry length (x,h =?) in the tube? Note: Use the following properties at mean temperature of the engine oil. H=0.50 N.s/m², v = 1.1 × 10-7 m²/s, Pr = 220
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