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Design of a Heat Exchanger for Gas Turbine Inlet Air using Chilled Water System

Abdul Karim, Z. A. and Mohd Azmi, Mohd Norshahrul Hafizi and Abdullah, Ahmad Shafawi (2012) Design of a Heat Exchanger for Gas Turbine Inlet Air using Chilled Water System. Energy Procedia, 14 (iii-xi). pp. 1689-1694. ISSN 1876-6102

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Abstract

Efficiency of a gas turbine is closely related to the intake air temperature. An increase in the intake air temperature will results in the decrease of the turbine efficiency. This paper presents the study of various offset strip-fin surface geometry for the design of a heat exchanger at providing a constant air temperature at the inlet side of the gas turbine irrespective of the change in ambient temperature. The design took into account the need to employ the available chilled water system from the cogeneration district cooling plant as the cooling media. Twelve combinations of offset strip-fin surface geometry pairs were studied in order to determine the optimum design for the heat exchanger. The results showed that 1/8 - 20.06 (D) for air side and 1/8 - 16.00 (D) for the chilled water side would provide the highest heat transfer coefficient with a good overall passage efficiency and fin efficiency.

Item Type:Article
Subjects:T Technology > TJ Mechanical engineering and machinery
Departments / MOR / COE:Mission Oriented Research > Energy
ID Code:7908
Deposited By: AP Dr Zainal Ambri Abdul Karim
Deposited On:14 Aug 2012 03:09
Last Modified:19 Jan 2017 08:21

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