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Utilization of Solar Energy in Absorption Refrigeration: Design and Testing of an Intermittent Ammonia Absorption Refrigeration System (Paperback) (ISBN-13: 9783346157669)
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xResearch Paper (postgraduate) from the year 2004 in the subject Engineering - Power Engineering, Nile Valley University (Faculty of engineering and technology), course: refrigeration, language: English, abstract: Solar energy can be utilized by, either, thermal conversion, or electrical conversion, of solar radiation. Utilization of solar energy by thermal conversion method, is of low cost, but it requires high density of solar radiation. Electrical conversion method, on the other hand, is expensive, but it does not need high density of solar radiation. One of the most important applications of thermal conversion of solar energy, is absorption refrigeration. As there are many factors affecting the process of solar refrigeration, a lot of research work must be carried out, before deciding an optimum design of solar refrigeration systems, which utilize solar energy at a low cost. The main objective of this research article is to design and construct an apparatus which can be used, as a test rig, by research students, to carry out experiments, regarding the performance of solar absorption refrigeration systems. The apparatus has been designed and constructed so as to be used indoors. One of the many different factors which affect the performance of solar absorption refrigeration systems, has been chosen, to test the apparatus, for functioning. This is the effect of condenser temperature, on the performance of solar absorption refrigeration systems. The apparatus has been tested for three different values of condenser temperature, and yielded very good results. The experimental work proves that, the coefficient of performance of a solar absorption refrigeration system, is high, at a low condenser temperature. At a condenser temperature of about 25 C, the actual coefficient of performance, obtained is 0.019, compared with a theoretical value of 0.062. And at a condenser temperature of about 15 C, the actual coefficient of performance is 0.026, compared with a theoretical
Author: Osama Mohammed Elmardi Suleiman Khayal, Fathelrahman Ahmed Elmahi
ISBN-10: 3346157660
ISBN-13: 9783346157669
Publisher: Grin Verlag
Language: English
Published: 05/05/2020
Pages: 68
Format: Paperback
Weight: 0.22lbs
Size: 8.27h x 5.83w x 0.16d
Author: Osama Mohammed Elmardi Suleiman Khayal, Fathelrahman Ahmed Elmahi
ISBN-10: 3346157660
ISBN-13: 9783346157669
Publisher: Grin Verlag
Language: English
Published: 05/05/2020
Pages: 68
Format: Paperback
Weight: 0.22lbs
Size: 8.27h x 5.83w x 0.16d
By Osama Mohammed Elmardi Suleiman Khayal
xAUTHOR Osama Mohammed Elmardi Suleiman Khayal was born in Atbara, Sudan in 1966. He received his diploma degree in mechanical engineering from Mechanical Engineering College, Atbara, Sudan in 1990. He also received a bachelor degree in mechanical engineering from Sudan University of science and technology - Faculty of engineering in 1998, and a master degree in solid mechanics from Nile valley university (Atbara, Sudan) in 2003, and a PhD in structural engineering in 2017. He contributed in teaching some subjects in other universities such as Red Sea University (Port Sudan, Sudan), Kordofan University (Obayed, Sudan), Sudan University of Science and Technology (Khartoum, Sudan), Blue Nile University (Damazin, Sudan) and Kassala University (Kassala, Sudan). In addition, he supervised more than three hundred under graduate studies in diploma and B.Sc. levels and about thirty master theses. The author wrote about fifty engineering books written in Arabic language, and twenty books written in English language and more than hundred research papers in fluid mechanics, thermodynamics, internal combustion engines and analysis of composite structures. He is currently an associated professor in Department of Mechanical Engineering, Faculty of Engineering and Technology, Nile Valley University Atbara, Sudan. His research interest and favorite subjects include structural mechanics, applied mechanics, control engineering and instrumentation, computer aided design, design of mechanical elements, fluid mechanics and dynamics, heat and mass transfer and hydraulic machinery. The author also works as a technical manager and superintendent of Al - Kamali mechanical and production workshops group which specializes in small, medium and large automotive overhaul maintenance and which situated in Atbara town in the north part of Sudan, River Nile State.
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