Experimental study and modeling of the kinetics of refrigerant hydrate formation

被引：32

作者：

Hashemi, Hamed ^{[1
]}

Babaee, Saeedeh ^{[1
]}

Mohammadi, Amir H. ^{[1
,2
]}

Naidoo, Paramespri ^{[1
]}

Ramjugernath, Deresh ^{[1
]}

机构：

[1] Univ KwaZulu Natal, Sch Engn, Thermodynam Res Unit, ZA-4041 Durban, South Africa

[2] IRGCP, Paris, France

来源：

JOURNAL OF CHEMICAL THERMODYNAMICS | 2015年 / 82卷

基金：

新加坡国家研究基金会;

关键词：

Gas hydrate; Clathrate hydrate; Refrigerant; Cold storage; Kinetics; Induction time; GAS HYDRATE; STORAGE CAPACITY; PHASE-EQUILIBRIA; COOL STORAGE; METHANE; HFC-134A; WATER; SDS;

D O I：

10.1016/j.jct.2014.10.017

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The purpose of this study was to identify compatible hydrate forming-refrigerants suitable for air-conditioning systems. The main challenge in designing an air conditioning system which utilises refrigerant hydrates as a media for storage of cold energy is the rate of formation and dissociation of the refrigerant hydrates. Hence, in this experimental study the kinetics of hydrate formation of three refrigerant blends, viz. R407C, R410A and R507C have been investigated. The induction time for hydrate formation, apparent rate constant of the hydrate reaction, water to hydrate conversion during hydrate growth, storage capacity, and the rate of hydrate formation of these refrigerants at various pressures and temperatures have been obtained using a kinetic model. The effect of sodium dodecyl sulfate (SDS) on the hydrate nucleation rate was also investigated. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：47 / 52

页数：6

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