2022
DOI: 10.3390/e24111534
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A Comprehensive Experimental Investigation of Additives to Enhance Pool Boiling Heat Transfer of a Non-Azeotropic Mixture

Abstract: Adding nanoparticles or surfactants to pure working fluid is a common and effective method to improve the heat transfer performance of pool boiling. The objective of this research is to determine whether additives have the same efficient impact on heat transfer enhancement of the non-azeotropic mixture. In this paper, Ethylene Glycol/Deionized Water (EG/DW) was selected as the representing non-azeotropic mixture, and a comparative experiment was carried out between it and the pure working fluid. In addition, t… Show more

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Cited by 5 publications
(3 citation statements)
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References 26 publications
(24 reference statements)
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“…Non-azeotropic mixed refrigerants are refrigerants composed of two or more substances that do not meet the condition of a coexisting saturated vapor and saturated liquid. The boiling point of the mixture changes with the proportion of its components, and therefore, it is also referred to as an “incompatible mixture” .…”
Section: Current Status and Research Progress Of Refrigerantsmentioning
confidence: 99%
“…Non-azeotropic mixed refrigerants are refrigerants composed of two or more substances that do not meet the condition of a coexisting saturated vapor and saturated liquid. The boiling point of the mixture changes with the proportion of its components, and therefore, it is also referred to as an “incompatible mixture” .…”
Section: Current Status and Research Progress Of Refrigerantsmentioning
confidence: 99%
“…Although the Rohsenow correlation is based on bubble agitation theory, this part is simplified as a fixed empirical constant during calculation, and the convective effect generated by bubble agitation is not the main contribution to heat transfer during pool boiling. Therefore, on this basis, Mikic and Rohsenow reconsidered the impact of bubble dynamics on boiling performance and modified the model with the nuclear bubble diameter parameter [24], as shown in Equations ( 12)- (14).…”
Section: Correlations Of Heat Transfer Coefficientmentioning
confidence: 99%
“…To address these issues, mixed refrigerants are being recognized as a potent alternative to conventional working fluids. These mixtures not only help in reducing the GWP but also capitalize on the benefits derived from each individual component [14]. A key advantage of mixtures lies in their tunable chemical and thermophysical properties.…”
Section: Introductionmentioning
confidence: 99%