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Water (Cp = 4.183 kJ/kg-k) flowing at a rate of 0.8 kg/s enters a counter current heat exchanger at 310 K and is heated by an oil (Cp=1.89 kJkg-K) stream entering at 390 K at a rate of 2.9 kg/s. Total transfer area is 20 m?. If the efficiency of the heat exchanger is 0.60, calculate the ff. a Number of Transfer Unit (NTU) b. Overall heat transfer coefficient U. c. The Height Equivalent of Theoretical Plate (HETP) if Heat Transfer Unit (HTU) is 0.85 for a 10-plate absorption tower. HETP=NTUXHTU per plate

Water (Cp = 4.183 kJ/kg-k) flowing at a rate of 0.8 kg/s enters a counter current heat exchanger at 310 K and is heated by an oil (Cp=1.89 kJkg-K) stream entering at 390 K at a rate of 2.9 kg/s. Total transfer area is 20 m?. If the efficiency of the heat exchanger is 0.60, calculate the ff. a Number of Transfer Unit (NTU) b. Overall heat transfer coefficient U. c. The Height Equivalent of Theoretical Plate (HETP) if Heat Transfer Unit (HTU) is 0.85 for a 10-plate absorption tower. HETP=NTUXHTU per plate

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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Water (Cp = 4.183 kJ/kg-k) flowing at a rate of 0.8 kg/s enters a counter current heat exchanger at 310 K and is heated by an oil (Cp=1.89 kJkg-K) stream entering at 390 K at a rate of 2.9 kg/s. Total transfer area is 20 m?. If the efficiency of the heat exchanger is 0.60, calculate the ff. a. Number of Transfer Unit (NTU) b. Overall heat transfer coefficient U. c. The Height Equivalent of Theoretical Plate (HETP) if Heat Transfer Unit (HTU) is 0.85 for a 10-plate absorption tower. HETP=NTUXHTU per plate
Transcribed Image Text:Water (Cp = 4.183 kJ/kg-k) flowing at a rate of 0.8 kg/s enters a counter current heat exchanger at 310 K and is heated by an oil (Cp=1.89 kJkg-K) stream entering at 390 K at a rate of 2.9 kg/s. Total transfer area is 20 m?. If the efficiency of the heat exchanger is 0.60, calculate the ff. a. Number of Transfer Unit (NTU) b. Overall heat transfer coefficient U. c. The Height Equivalent of Theoretical Plate (HETP) if Heat Transfer Unit (HTU) is 0.85 for a 10-plate absorption tower. HETP=NTUXHTU per plate
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