Absorption refrigeration systems based on ammonia as refrigerant using different absorbents: review and applications

AAS Lima, GNP Leite, AAV Ochoa, CAC Santos… - Energies, 2020 - mdpi.com
The interest in employing absorption refrigeration systems is usually related to electricity's
precariousness since these systems generally use thermal rejects for their activation. The …

Review of small-capacity single-stage continuous absorption systems operating on binary working fluids for cooling: Theoretical, experimental and commercial cycles

A Altamirano, N Le Pierrès, B Stutz - International Journal of Refrigeration, 2019 - Elsevier
The global energy demand is increasing at alarming rates. Until 2040, most of this energy
will still be coming from fossil fuels, which generate pollution and global warming, thereby …

Dynamic study of a single effect absorption chiller using the pair LiBr/H2O

AAV Ochoa, JCC Dutra, JRG Henríquez… - Energy Conversion and …, 2016 - Elsevier
This paper sets out to make a dynamic analysis of a single-effect, lithium bromide–water
(LiBr/H 2 O) absorption chiller. A mathematical model has been developed based on …

New developments and progress in absorption chillers for solar cooling applications

DS Ayou, A Coronas - Applied Sciences, 2020 - mdpi.com
At present, novel, small-to-large capacity absorption chillers with unique technical features
have emerged on the global market, and laboratory and pre-industrial prototypes have also …

Experimental evaluation on thermal performance of an air-cooled absorption refrigeration cycle with NH3–LiNO3 and NH3–NaSCN refrigerant solutions

D Cai, J Jiang, G He, K Li, L Niu, R **ao - Energy Conversion and …, 2016 - Elsevier
This paper experimentally analyzes thermal performance of an air-cooled type single effect
absorption refrigeration cycle with ammonia–lithium nitrate and ammonia–sodium …

Vapour pressure measurements of ammonia/ionic liquids mixtures as suitable alternative working fluids for absorption refrigeration technology

A Cera-Manjarres, D Salavera, A Coronas - Fluid Phase Equilibria, 2018 - Elsevier
In the present paper, we report new data on the vapour pressure of ammonia with 1-(2-
hydroxyethyl)-3-methylimidazolium tetrafluoroborate [EtOHmim][BF 4], 1-(2-hydroxyethyl)-3 …

The influence of the overall heat transfer coefficients in the dynamic behavior of a single effect absorption chiller using the pair LiBr/H2O

AAV Ochoa, JCC Dutra, JRG Henríquez… - Energy Conversion and …, 2017 - Elsevier
Absorption systems offer an alternative way to substitute energy economically in mechanical
compression systems in the field of refrigeration and air conditioning. The aim of this article …

Review of small-capacity single-stage continuous absorption systems operating on binary working fluids for cooling: Compact exchanger technologies

A Altamirano, B Stutz, N Le Pierrès - International Journal of Refrigeration, 2020 - Elsevier
Absorption systems have considerable potential to fight global warming and help transition
to renewable energies. These machines use multifunctional exchangers (heat and mass …

Solar-driven absorption cycle for space heating and cooling

M Vallès, M Bourouis, D Boer - Applied Thermal Engineering, 2020 - Elsevier
Abstract The Energy Performance of Buildings Directive (EPBD) requires that all new
buildings in the European Union be nearly zero energy buildings (NZEB) by the end of …

[HTML][HTML] Implementation of the characteristic equation method in quasi-dynamic simulation of absorption chillers: Modeling, validation and first results

SCS Alcântara, AAS Lima, AAV Ochoa… - Energy Conversion and …, 2022 - Elsevier
This work presents a quasi-dynamic approach to an absorption refrigeration system that
uses NH 3/LiNO 3 as the working fluid. The goal is linked to the development and validation …