NDLI: Life Cycle Cost Analysis of a Novel Cooling and Power Gas Turbine Engine

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Malhotra, Vaibhav Lear, W. E. Khan, J. R. Sherif, S. A.
Copyright Year	2005
Abstract	A Life cycle cost analysis (LCCA) was performed to compare life cycle costs of a novel gas turbine engine to that of a conventional microturbine with similar power capacity. This engine, called the High Pressure Regenerative Turbine Engine (HPRTE) operates on a pressurized semiclosed cycle and is integrated with a Vapor Absorption Refrigeration System (VARS). The HPRTE uses heat from its exhaust gases to power the absorption refrigeration unit which cools the high-pressure compressor inlet of the HPRTE to below ambient temperatures and also produces some external refrigeration. The life cycle cost analysis procedure is based on principles laid out in the Federal Energy Management Program (FEMP). The influence of different design and economic parameters on the life cycle costs of both technologies is analyzed. The results of this analysis are expressed in terms of the cost ratios of the two technologies. The pressurized nature of the HPRTE leads to compact components resulting in significant savings in equipment cost versus those of a microturbine. Revenue obtained from external refrigeration offsets some of the fuel costs for the HPRTE, thus proving to be a major contributor in cost savings for the HPRTE. For the base case of a high-pressure turbine (HPT) inlet temperature of 1373 K and an exit temperature of 1073 K, the HPRTE showed life cycle cost savings of 7% over a microturbine with a similar power capacity.
Sponsorship	Advanced Energy Systems Division
Starting Page	79
Ending Page	92
Page Count	14
File Format	PDF
ISBN	0791842118
DOI	10.1115/IMECE2005-82934
e-ISBN	0791837696
Volume Number	Advanced Energy Systems
Conference Proceedings	ASME 2005 International Mechanical Engineering Congress and Exposition
Language	English
Publisher Date	2005-11-05
Publisher Place	Orlando, Florida, USA
Access Restriction	Subscribed
Subject Keyword	Plant cost ratio High pressure regenerative turbine engine Microturbine Life cycle cost ratio High pressure (physics) Life cycle costing Cooling Gas turbines Microturbines
Content Type	Text
Resource Type	Article

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