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2 results on '"Graphical forms"'

1. Absorption heat transformers and an industrial application

Author

Bener Kurt, Ilhami Horuz, Uludağ Üniversitesi/Mühendislik-Mimarlık Fakültesi/Makine Mühendisliği Bölümü., Horuz, İlhami, Kurt, Bener, and AAG-5647-2019

Subjects
Absorption Refrigeration, Solar Cooling, Lithium Bromide, Science & technology - other topics, Heat pump systems, Mechanical engineering, Absorption heat transformer, Lithium, law.invention, Absorption, Refrigerant, Performance assessment, Graphical forms, Industrial companies, law, Waste heat, Water-Lithium bromide solution, Heat transfer, Thermodynamic performance, System modifications, Performance data, Process water, Low temperature, Single-stage, Computer codes, Process engineering, Transformer, Thermodynamic systems, Control system, Purification, Energy, Renewable Energy, Sustainability and the Environment, business.industry, Chemistry, Base systems, Industrial applications, Operating sequences, Thermodynamic system, Energy & fuels, Green & sustainable science & technology, Industrial company, Bromide, Thermodynamics, Water absorption, business, Bromine compounds, Water-lithium bromide
Abstract

Absorption Heat Transformer (AHT) systems are devices with the unique capability of raising the temperature of low or moderately warm waste heat sources to more useful levels. The study includes an investigation to analyze the AHT systems using water-lithium bromide solutions with water as the refrigerant. First, a basic AHT system was described, the operating sequence was explained and thermodynamic system analysis was presented. Next, an application of the AHT system to an industrial company was analyzed. A computer code was prepared to determine the effect of different parameters on the AHT system performance and the results were presented in graphical form. Additionally, it was shown that how the basic AHT system could be modified to increase the COP and the heat transfer at the absorber, in other words, the hot process water produced. The system performance data were presented in a tabular form for different system modifications from the base system for comparison. It was proven that, by applying different modifications, the COP could be increased by 14.1%, the heat transfer at the absorber by 158.5% and the hot process water produced by 3.59% compared to the basic ANT system. (c) 2010 Elsevier Ltd. All rights reserved.

Published
2010

2. Single stage and double absorption heat transformers in an industrial application

Author

Bener Kurt, Ilhami Horuz, Uludağ Üniversitesi/Mühendislik Fakültesi/Makine Mühendisliği Bölümü., Horuz, İlhami, Kurt, Bener, and AAG-5647-2019

Subjects
Absorption Refrigeration, Solar Cooling, Lithium Bromide, Heat pump systems, Nuclear science & technology, Nuclear engineering, Single stage, Energy Engineering and Power Technology, Thermodynamics, Systems analysis, Absorption heat transformer, Lithium, Nuclear science &echnology, law.invention, Absorption, Refrigerant, chemistry.chemical_compound, Graphical forms, Industrial companies, law, Waste heat, Thermodynamic performance, Process water, Computer codes, Transformer, Thermodynamic systems, Water vapor, Double absorption heat transformer, Energy, Renewable Energy, Sustainability and the Environment, Lithium bromide, Industrial applications, Operating sequences, Thermodynamic system, Energy & fuels, Single stage absorption heat transformer, Fuel Technology, Nuclear Energy and Engineering, chemistry, Industrial company, Water-lithium bromide
Abstract

An industrial application of the single stage and double absorption heat transformer (AHT) systems using water-lithium bromide solutions with water as the refrigerant was analyzed. First, a basic single stage AHT system was described, the operating sequence was explained and thermodynamic system analysis was presented. Next, an application of the single stage AHT system to an industrial company was analyzed. A computer code was prepared to determine the effect of different parameters on the AHT system performance and the results were presented in graphical form. Additionally, the series and parallel double absorption AHT systems were introduced, the operating sequences were explained and thermodynamic system analysis was included. All results were presented in tabular form for comparison. It is concluded that about 50% of the waste heat can be utilized and the hot process water and vapor could be produced by applying single stage and double AHT systems, respectively. The parallel double AHT system could generate more vapor than the series double AHT system. Copyright (C) 2009 John Wiley & Sons, Ltd.

Published
2009

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