Advanced

Theoretical and experimental evaluation of a plate heat exchanger aftercooler in an evaporative gas turbine cycle

Thern, Marcus LU ; Lindquist, Torbjörn LU and Torisson, Tord LU (2003) 2003 ASME Turbo Expo In American Society of Mechanical Engineers, International Gas Turbine Institute, Turbo Expo (Publication) IGTI 3. p.103-111
Abstract
The evaporative gas turbine pilot plant (EvGT) has been in operation at Lund Institute of Technology in Sweden since 1997. This article presents the experimental and theoretical results of the latest process modifications made, i.e. the effect of the installation of an aftercooler. The purpose of the aftercooler is to increase the performance of the cycle by utilizing more low-level heat in the humidification tower. The chosen aftercooler is of plate heat exchanger type, which, is very compact, has high thermal efficiency and low pressure drop. The installation of an aftercooler lowers the temperature of the air entering the humidification tower. This also lowers the temperature of the circulating humidification water, which facilitates... (More)
The evaporative gas turbine pilot plant (EvGT) has been in operation at Lund Institute of Technology in Sweden since 1997. This article presents the experimental and theoretical results of the latest process modifications made, i.e. the effect of the installation of an aftercooler. The purpose of the aftercooler is to increase the performance of the cycle by utilizing more low-level heat in the humidification tower. The chosen aftercooler is of plate heat exchanger type, which, is very compact, has high thermal efficiency and low pressure drop. The installation of an aftercooler lowers the temperature of the air entering the humidification tower. This also lowers the temperature of the circulating humidification water, which facilitates the extraction of more low-level heat from the economizer. This low-level heat can be utilized to evaporate more water in the humidification tower and thus increase the gas flow in the expander. The pilot plant has been operated at different loads and the measured results has been evaluated and compared with theoretical models. The performance of a plate heat exchanger in power plant applications has also been evaluated. Experience from the measurements has then been used for the potential cycle calculations. It has been shown that the aftercooler lowers the flue gas temperature in the pilot plant to 93 (Less)
Please use this url to cite or link to this publication:
author
organization
publishing date
type
Chapter in Book/Report/Conference proceeding
publication status
published
subject
keywords
Humidification tower, Steam-injected gas turbine (STIG)
in
American Society of Mechanical Engineers, International Gas Turbine Institute, Turbo Expo (Publication) IGTI
volume
3
pages
103 - 111
publisher
American Society Of Mechanical Engineers (ASME)
conference name
2003 ASME Turbo Expo
external identifiers
  • Other:CODEN: AMGIE8
  • Scopus:0348207574
language
English
LU publication?
yes
id
1cf05fa1-4190-494a-a63f-17eef61546d4 (old id 612026)
date added to LUP
2007-11-29 14:08:00
date last changed
2016-10-13 04:43:14
@misc{1cf05fa1-4190-494a-a63f-17eef61546d4,
  abstract     = {The evaporative gas turbine pilot plant (EvGT) has been in operation at Lund Institute of Technology in Sweden since 1997. This article presents the experimental and theoretical results of the latest process modifications made, i.e. the effect of the installation of an aftercooler. The purpose of the aftercooler is to increase the performance of the cycle by utilizing more low-level heat in the humidification tower. The chosen aftercooler is of plate heat exchanger type, which, is very compact, has high thermal efficiency and low pressure drop. The installation of an aftercooler lowers the temperature of the air entering the humidification tower. This also lowers the temperature of the circulating humidification water, which facilitates the extraction of more low-level heat from the economizer. This low-level heat can be utilized to evaporate more water in the humidification tower and thus increase the gas flow in the expander. The pilot plant has been operated at different loads and the measured results has been evaluated and compared with theoretical models. The performance of a plate heat exchanger in power plant applications has also been evaluated. Experience from the measurements has then been used for the potential cycle calculations. It has been shown that the aftercooler lowers the flue gas temperature in the pilot plant to 93},
  author       = {Thern, Marcus and Lindquist, Torbjörn and Torisson, Tord},
  keyword      = {Humidification tower,Steam-injected gas turbine (STIG)},
  language     = {eng},
  pages        = {103--111},
  publisher    = {ARRAY(0x9aa3d30)},
  series       = {American Society of Mechanical Engineers, International Gas Turbine Institute, Turbo Expo (Publication) IGTI},
  title        = {Theoretical and experimental evaluation of a plate heat exchanger aftercooler in an evaporative gas turbine cycle},
  volume       = {3},
  year         = {2003},
}