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Results in Engineering
Article . 2023 . Peer-reviewed
License: CC BY NC ND
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Results in Engineering
Article . 2023
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Theoretical study of an NH3–H2O absorption chiller powered by a linear Fresnel system modelled by combining ray tracing and CFD

descriptionPublicationkeyboard_double_arrow_right Article 01 Dec 2023Publisher:Elsevier BVJournal:Results in Engineering, volume 20, page 101,410 (issn: 2590-1230, Copyright policy )
Authors: Fatimata Dione; Ababacar Thiam; ElHadji I. Cisse; Djicknoum Diouf; Amadou Seidou Maiga;

doi: 10.1016/j.rineng.2023.101410

Theoretical study of an NH3–H2O absorption chiller powered by a linear Fresnel system modelled by combining ray tracing and CFD

Abstract

This paper analyses the performance of a NH3–H2O absorption machine powered with a linear Fresnel reflector. , The various components of the absorption machine and the linear Fresnel reflector were dimensioned for a power of 10 kW. A numerical model combining Monte Carlo ray tracing and Computational Fluid Dynamics was developed to evaluate the outlet temperature of the linear Fresnel reflector. The outlet temperature is used as input data for the simulation of the thermodynamic model of the NH3–H2O absorption machine using the commercial software Engineering Equation Solver. The results showed that the linear Fresnel reflector consists of 30 reflectors with a length of 10 m and a wide of 0.2 m each, 5 absorber tubes with a height of 4 m each and 1 trapezoidal cavity with a length of 10 m and a height of 4.065 m. A hot source temperature of 169.24 °C was recorded when the coefficient of performance reaches 0.510.

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Keywords

Technology, Linear Fresnel reflector, T, Monte Carlo ray tracing, Computational fluid dynamics, Absorption chiller, Ammonia-water

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
1
Average
Average
Average
gold
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Energy Research