The engine of a Diesel power plant uses 0.0236m^3/s of bunker oil whose specific gravity is 0.8 as fuel. This fuel undergoes pre-heating before being supplied to the engine using an oil heater. The heating medium used in this parallel flow heat exchanger is the engine's exhaust gas. Oil enters the HX at 10C and leaves at 100C while the exhaust gas enters at 370C and leaves at 175C. Specific heat of oil and gas are 2.5 and 1.09kJ/kg-K respectively. A. Draw the figure, sketch the t-L diagram, then, compute the heat transfer in MW. B. Determine the amount of exhaust gas in kg/s C. What is the LMTD of the heat exchanger? Express the answer in Kelvin. D. What is the overall heat transfer coefficient of the heat exchanger? express in Watts/m^2-K?
The engine of a Diesel power plant uses 0.0236m^3/s of bunker oil whose specific gravity is 0.8 as fuel. This fuel undergoes pre-heating before being supplied to the engine using an oil heater. The heating medium used in this parallel flow heat exchanger is the engine's exhaust gas. Oil enters the HX at 10C and leaves at 100C while the exhaust gas enters at 370C and leaves at 175C. Specific heat of oil and gas are 2.5 and 1.09kJ/kg-K respectively. A. Draw the figure, sketch the t-L diagram, then, compute the heat transfer in MW. B. Determine the amount of exhaust gas in kg/s C. What is the LMTD of the heat exchanger? Express the answer in Kelvin. D. What is the overall heat transfer coefficient of the heat exchanger? express in Watts/m^2-K?
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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