Economics of Feedwater Heater ReplacementSource: Journal of Engineering for Gas Turbines and Power:;1977:;volume( 099 ):;issue: 003::page 482DOI: 10.1115/1.3446534Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: As feedwater heaters age, performance deteriorates and leaks invariably occur. In order to keep the heater functioning properly, and to avoid the possibility of water backing into the turbine and causing damage, the leaking tubes are plugged. Usually, the initially plugged tubes cause small, if any, deterioration of performance. Eventually, the number of plugged tubes significantly affects the overall cycle efficiency. This paper presents a straightforward method for calculating the economical time for repair or replacement, without the need for extensive heat balance calculations or special rules of thumb. While the analysis presented here, based on the useful energy concept, is used to solve an operating problem, the same methods can be readily applied at the design stage, and can be used on any other component in the power cycle as well.
keyword(s): Feedwater , Economics , Cycles , Leakage , Water , Turbines , Design , Heat AND Maintenance ,
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contributor author | T. H. Fehring | |
contributor author | R. A. Gaggioli | |
date accessioned | 2017-05-08T23:02:46Z | |
date available | 2017-05-08T23:02:46Z | |
date copyright | July, 1977 | |
date issued | 1977 | |
identifier issn | 1528-8919 | |
identifier other | JETPEZ-26734#482_1.pdf | |
identifier uri | http://yetl.yabesh.ir/yetl/handle/yetl/89805 | |
description abstract | As feedwater heaters age, performance deteriorates and leaks invariably occur. In order to keep the heater functioning properly, and to avoid the possibility of water backing into the turbine and causing damage, the leaking tubes are plugged. Usually, the initially plugged tubes cause small, if any, deterioration of performance. Eventually, the number of plugged tubes significantly affects the overall cycle efficiency. This paper presents a straightforward method for calculating the economical time for repair or replacement, without the need for extensive heat balance calculations or special rules of thumb. While the analysis presented here, based on the useful energy concept, is used to solve an operating problem, the same methods can be readily applied at the design stage, and can be used on any other component in the power cycle as well. | |
publisher | The American Society of Mechanical Engineers (ASME) | |
title | Economics of Feedwater Heater Replacement | |
type | Journal Paper | |
journal volume | 99 | |
journal issue | 3 | |
journal title | Journal of Engineering for Gas Turbines and Power | |
identifier doi | 10.1115/1.3446534 | |
journal fristpage | 482 | |
journal lastpage | 488 | |
identifier eissn | 0742-4795 | |
keywords | Feedwater | |
keywords | Economics | |
keywords | Cycles | |
keywords | Leakage | |
keywords | Water | |
keywords | Turbines | |
keywords | Design | |
keywords | Heat AND Maintenance | |
tree | Journal of Engineering for Gas Turbines and Power:;1977:;volume( 099 ):;issue: 003 | |
contenttype | Fulltext |