Review Article Open Access

A REVIEW OF INDIRECT METHOD FOR MEASURING THERMAL EFFICIENCY IN FIRE TUBE STEAM BOILERS

Abstract

In this paper, the efficiency analysis of fire tube steam boilers according to pertinent parameters is presented. For this purpose the key parameters on efficiency of steam boilers and specially fire tube steam boiler have been investigated. There are two method for measuring the efficiency in steam boilers, direct method (input-output method) and indirect method (heat loss method). The errors in direct method make significant change in efficiency thus indirect method is more accurate method for measuring the efficiency. The indirect method is the focused method in this study, therefore various type of losses be evaluated. The amount of increasing of efficiency by reduce different losses be assumed. An important advantage of this method is that the errors in measurement do not make significant change in efficiency.

AHMAD MAHMOUDI LAHIJANI, ERIS.E. SUPENI AND FATEMEH KALANTARI

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