NDLI: Numerical Investigation of Different Stack Design Solutions in a Cogeneration Power Plant

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Pinelli, M. Bucci, G.
Copyright Year	2004
Abstract	In cogeneration and combined cycle plants, the presence of a by-pass stack has a great importance since it allows the modulation of heat-to-power generation to follow variable daily demand and thus the optimal management of the heat and power production. Hence, among the various aspects that have to be analysed in a plant design, the exhaust gas stack design can represent a critical aspect, in particular when a by-pass stack is present, since it may influence the entire system working condition. To properly take into account the large number of the different requirements (economic, structural, geometrical, acoustic, etc.) which enter in a stack design, a multidisciplinary analysis involving CAD/CFD/FEM integrated approaches can be adopted in order to obtain an optimally designed stack system. In this paper, the design of the exhaust gas stack in a cogeneration plant is performed numerically. In the considered plant, a single stack, in which the gases coming from both the utility heat exchangers and the by-pass at the gas turbine exit are mixed, is used. Different design solutions of the by-pass system are simulated through a three-dimensional integrated numerical code and the results discussed in detail.
Sponsorship	International Gas Turbine Institute
Starting Page	553
Ending Page	560
Page Count	8
File Format	PDF
ISBN	0791841693
DOI	10.1115/GT2004-53426
e-ISBN	0791837394
Volume Number	Volume 4: Turbo Expo 2004
Conference Proceedings	ASME Turbo Expo 2004: Power for Land, Sea, and Air
Language	English
Publisher Date	2004-06-14
Publisher Place	Vienna, Austria
Access Restriction	Subscribed
Subject Keyword	Computational fluid dynamics Cogeneration plants Stack design Plant design Acoustics Computer-aided design Heat exchangers Combined heat and power Finite element methods Exhaust systems Design Gases Heat Finite element model Gas turbines Energy generation Combined cycle power stations
Content Type	Text
Resource Type	Article

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