
IIR document
Statistical optimization of hydrate formation conditions of TBAB and THF mixture as a cold storage material for air-conditioning system based on response surface methodology.
Author(s) : MAHMOUDI B., NAEIJI P., VARAMINIAN F., et al.
Type of article: Article, IJR article
Summary
Response surface methodology has been employed to optimize the hydrate formation conditions of tetra-n-butylammonium bromide (TBAB) and tetrahydrofuran (THF) mixtures as cold storage materials for air-conditioning system. It has been focused on the maximization of sub-cooling driving force and electrical conductivity variations of hydrate formation considering the operating conditions. The results of ANOVA have revealed that TBAB/THF mass ratio has significant effect on sub-cooling driving force, while stirrer speed and jacket temperature are significant factors for electrical conductivity variations. According to RSM, the optimum TBAB/THF mass ratio, stirrer speed and jacket temperature have been respectively found to be 1.96, 784?rpm and -6.66?°C for sub-cooling driving force and 1.23, 798?rpm and -5.2?°C for electrical conductivity variations of hydrate formation. Overall desirability function of both responses has provided one optimal condition yielding TBAB/THF mass ratio of 1.47, stirrer speed of 800?rpm and jacket temperature of -6.4?°C.
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Details
- Original title: Statistical optimization of hydrate formation conditions of TBAB and THF mixture as a cold storage material for air-conditioning system based on response surface methodology.
- Record ID : 30018433
- Languages: English
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 69
- Publication date: 2016/09
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