Parametric Analysis of Waste Heat Driven Vapor Absorption System for Space Conditioning in Automobiles

Tauseef Aized, Muhammad Noman


In this work a single effect ammonia water-based waste heat driven vapor absorption system was investigated and conceptualized. Exhaust gases from diesel engine have been utilized as a heat source to run the vapor absorption system for space conditioning in automobiles. Daewoo bus, model BH116 was chosen for this analysis. The cooling load of the bus was calculated based on the local weather condition of Lahore for the month of June. Heat balance method technique was implemented to calculate the cooling load of the bus. The cooling load calculated was 29.886 kW. The displacement of the engine was 11051 cc. A thermodynamic model was established using MATLAB software program and the system performance was analyzed over a range of operating conditions. It was studied that the engine was capable to generate that much heat which could be utilized to produce the required cooling inside the bus.

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