Analysis of Lithium Bromide-Water (LiBr- H2O) Vapour Absorption Refrigeration System Using First Law of Thermodynamics

Abstract

In the ongoing years, the interest for refrigeration innovation is rising since waste warmth from warm frameworks, for example, control plants or sunlight based vitality can be exhausted for their task. A large portion of the energies are send by the businesses because of consumption of petroleum derivatives and expanding the fuel Price to use the most extreme accessible vitality from the waste warmth sources. Absorption cooling offers the likelihood of utilizing waste heat to give cooling. The goal of this paper is to show observational relations for finding the attributes and execution of a solitary stage Lithium bromide - water (LiBr-H2O) vapor absorption refrigeration system. The fundamental heat and mass exchange conditions and suitable conditions depicting the thermodynamic properties of the working fluid at all thermodynamic states are assessed.

The first Law of Thermodynamics is connected to a single stage Lithium Bromide-Water Vapor Absorption Refrigeration framework, and the execution examination of every part is determined through numerical model on MATLAB 7.0.1. First law of thermodynamics is additionally used to ascertain to assessment of mass flow rate and heat rate in every part of the framework. Estimated the thermodynamic properties and Energy transfer rate in every part of Vapor absorption refrigeration system, with the assistance of empirical relation. Mass stream rate and heat flow rate in every segment of the framework are classified. The coefficient of performance of the system is deciding for different temperatures ranges. It very well may be seen that when the temperature of inlet water expands, the required circulation ratio diminishes, and the system COP esteem increments. In the event that the temperature is underneath 58°C, the system COP will be near zero, the system does not work by any means and from 58°C to 83°C, the COP will increment in a slower pace, after 83°C of generator temperature the COP increment quickly.

Keywords: Energy, Heat Rate, COP