Using Libr H2o Property And Exergy Analysis For Single Stage Vapour Absorption Refrigeration System

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RESEARCH PAPER Engineering

Volume - 5 | Issue - 1 | Jan Special Issue - 2015 | ISSN - 2249-555X

Study Comparison of LiBr-H2O Property and Exergy Analysis for Single Stage Vapour Absorption Refrigeration System

KEYWORDS LiBr-H2O properties, energy and exergy analysis of VAR system. H.A. Patel M. K. Trivedi PhD research scholar, Associate Professor, Mechanical Assistant Professor, Mechanical Engineering
Engineering Department, U. V. Patel College of Department, U. V. Patel College of Engineering,
Engineering Ganpat University, Kherva Ganpat University, Kherva

L. N. Patel

Professor and Director, N.S.V.K.M, Visnagar

ABSTRACT The aim of this study is to present a Gibbs Energy model to calculate the thermodynamic properties of LiBr-H2O solution with the concentration range from 0 to 70 LiBr wt%. and temperate from 0 to 2100C in vapour absorption refrigeration system. The enthalpy and entropy of properties are validated within deviation limits 0.3% to 2.68% and 0.54% to 3.02% respectively. The validated properties are incorporated for energy and exergy analysis of single effect absorption refrigeration cycle with LiBr-H2O as a working uid. The system analysis and result shows COP, COPrev, exergic ef ciency of absorption cycle are 0.7533, 2.1657 and 34.78% respectively. The percentage of non-dimensional exergy losses of different component of VARS at the same operating conditions are reported around 52.67% and 37.87%

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