Tamainot-Telto, Zacharie (2019) Efficient solar driven air conditioning system for hot climate : case study of Doha. In: 12th International Conference on Solar Energy for Buildings and Industry (EUROSUN2018), Rapperswil, Switzerland, 10-13 Sep 2018. Published in: Proceedings of EUROSUN2018 doi:10.18086/eurosun2018.04.12

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Abstract

An advanced thermal solar driven air conditioning system for hot climate is described and a steady state thermodynamic model is used to predict its performance by using weather data for Doha (Qatar). The proposed system combined both Organic Rankine Cycle (ORC) and conventional mechanical Vapour Compression Cycle (VCC) whereby the expender (Turbine) is coupled to the compressor. Both cycles operate with ammonia refrigerant. For the same collector surface area (20 m2), the corresponding average daily cooling production is high with Evacuated Tube Solar Collector (ETSC) compared to Flat Plate Solar Collector (FPSC): ranging from 3.4 kW (in July) to around 7.6 kW (in April) for FPSC and from 4.5 kW (July) to around 10.2 kW (in April) for ETSC. The maximum values of COPs obtained (0.50 to 1.60 with an optimum driving temperature of about 118oC) are overall above those of standard heat driven systems such as absorption or adsorption refrigeration systems (typical maximum values range: 0.4 to 0.8).

Item Type:	Conference Item (Paper)
Subjects:	T Technology > TH Building construction T Technology > TJ Mechanical engineering and machinery
Divisions:	Faculty of Science, Engineering and Medicine > Engineering > Engineering
Library of Congress Subject Headings (LCSH):	Air conditioning -- Case studies -- Dawḥah (Qatar), Solar energy
Journal or Publication Title:	Proceedings of EUROSUN2018
Publisher:	ISES
Official Date:	7 March 2019
Dates:	Date Event 7 March 2019 Published 29 August 2018 Completion 5 May 2018 Accepted 27 February 2018 Submitted
DOI:	10.18086/eurosun2018.04.12
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Open Access
Conference Paper Type:	Paper
Title of Event:	12th International Conference on Solar Energy for Buildings and Industry (EUROSUN2018)
Type of Event:	Conference
Location of Event:	Rapperswil, Switzerland
Date(s) of Event:	10-13 Sep 2018
Related URLs:	Organisation
Open Access Version:	Publisher

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