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Thermodynamic analysis and optimization of a high temperature triple absorption heat transformer.

Khamooshi M, Parham K, Yari M, Egelioglu F, Salati H, Babadi S - ScientificWorldJournal (2014)

Bottom Line: First law of thermodynamics has been used to analyze and optimize inclusively the performance of a triple absorption heat transformer operating with LiBr/H2O as the working pair.A thermodynamic model was developed in EES (engineering equation solver) to estimate the performance of the system in terms of the most essential parameters.The optimization results showed that the COP of 0.2491 is reachable by the proposed cycle.

View Article: PubMed Central - PubMed

Affiliation: Department of Mechanical Engineering, Eastern Mediterranean University, G. Magosa, North Cyprus, Mersin 10, Turkey.

ABSTRACT
First law of thermodynamics has been used to analyze and optimize inclusively the performance of a triple absorption heat transformer operating with LiBr/H2O as the working pair. A thermodynamic model was developed in EES (engineering equation solver) to estimate the performance of the system in terms of the most essential parameters. The assumed parameters are the temperature of the main components, weak and strong solutions, economizers' efficiencies, and bypass ratios. The whole cycle is optimized by EES software from the viewpoint of maximizing the COP via applying the direct search method. The optimization results showed that the COP of 0.2491 is reachable by the proposed cycle.

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Related in: MedlinePlus

Effects of GTL on COP for different types of AHTs at different evaporation temperatures [26].
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Related In: Results  -  Collection


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fig16: Effects of GTL on COP for different types of AHTs at different evaporation temperatures [26].

Mentions: In our previous work [26] the variation of COP with gross temperature lift under different evaporation temperature conditions was compared for single, double, and triple AHTs, using LiBr/H2O the working fluid. As seen in Figure 16, any increase in GTL will cause a drop in the COP. This is due to the fact that as Tabs increases, the concentration of the weak solution and consequently the flow ratio (f) increases resulting in a decrease in the absorber heat capacity. This result is in agreement with that reported in the literature [1, 8].


Thermodynamic analysis and optimization of a high temperature triple absorption heat transformer.

Khamooshi M, Parham K, Yari M, Egelioglu F, Salati H, Babadi S - ScientificWorldJournal (2014)

Effects of GTL on COP for different types of AHTs at different evaporation temperatures [26].
© Copyright Policy - open-access
Related In: Results  -  Collection

Show All Figures
getmorefigures.php?uid=PMC4127287&req=5

fig16: Effects of GTL on COP for different types of AHTs at different evaporation temperatures [26].
Mentions: In our previous work [26] the variation of COP with gross temperature lift under different evaporation temperature conditions was compared for single, double, and triple AHTs, using LiBr/H2O the working fluid. As seen in Figure 16, any increase in GTL will cause a drop in the COP. This is due to the fact that as Tabs increases, the concentration of the weak solution and consequently the flow ratio (f) increases resulting in a decrease in the absorber heat capacity. This result is in agreement with that reported in the literature [1, 8].

Bottom Line: First law of thermodynamics has been used to analyze and optimize inclusively the performance of a triple absorption heat transformer operating with LiBr/H2O as the working pair.A thermodynamic model was developed in EES (engineering equation solver) to estimate the performance of the system in terms of the most essential parameters.The optimization results showed that the COP of 0.2491 is reachable by the proposed cycle.

View Article: PubMed Central - PubMed

Affiliation: Department of Mechanical Engineering, Eastern Mediterranean University, G. Magosa, North Cyprus, Mersin 10, Turkey.

ABSTRACT
First law of thermodynamics has been used to analyze and optimize inclusively the performance of a triple absorption heat transformer operating with LiBr/H2O as the working pair. A thermodynamic model was developed in EES (engineering equation solver) to estimate the performance of the system in terms of the most essential parameters. The assumed parameters are the temperature of the main components, weak and strong solutions, economizers' efficiencies, and bypass ratios. The whole cycle is optimized by EES software from the viewpoint of maximizing the COP via applying the direct search method. The optimization results showed that the COP of 0.2491 is reachable by the proposed cycle.

Show MeSH
Related in: MedlinePlus