Particle size distribution of TBPB hydrates by focused beam reflectance measurement (FBRM) for secondary refrigeration application

被引：24

作者：

Clain, Pascal ^{[1
,3
]}

Ndoye, Fatou Toutie ^{[1
]}

Delahaye, Anthony ^{[1
]}

Fournaison, Laurence ^{[1
]}

Lin, Wei ^{[2
]}

Dalmazzone, Didier ^{[2
]}

机构：

[1] GPAN, Cemagref, Irstea, CS 10030, F-92761 Antony, France

[2] ENSTA ParisTech UCP, F-91762 Palaiseau, France

[3] Leonard de Vinci Pole Univ, Technol Lab, F-92916 Paris, France

来源：

INTERNATIONAL JOURNAL OF REFRIGERATION-REVUE INTERNATIONALE DU FROID | 2015年 / 50卷

关键词：

Hydrates; TBPB; PCM; Slurry; Particle size distribution; FBRM; CHORD-LENGTH DISTRIBUTIONS; RHEOLOGICAL PROPERTIES; TETRABUTYLPHOSPHONIUM BROMIDE; SLURRY FLOW; CO2; GAS; ICE; KINETICS; CRYSTALLIZATION; SUSPENSIONS; BEHAVIOR;

D O I：

10.1016/j.ijrefrig.2014.10.016

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The present work investigates TBPB (tetra-n-butylphosphonium bromide) hydrate slurries based on focused beam reflectance measurement (FBRM) method. Hydrates can be used as phase change materials (PCM) for thermal energy storage due to their high latent heat of melting. In this study, hydrates were formed from TBPB-water mixtures, suitable for airconditioning applications. Moreover, hydrate slurries, composed of hydrate-particles dispersed in liquid, are appropriate solutions for cold distribution. Nevertheless, flow properties of hydrate slurries, depending on hydrate crystallization kinetics, must be controlled. In this work, FBRM was used for analysing TBPB-hydrate-particle size distribution. This work showed that FBRM can detect system phase changes (nucleation, growth, agglomeration). In addition, a bimodal distribution of particles was observed. This work could be useful to understand rheological behaviour of hydrate slurry, not only for secondary refrigeration applications, but also for natural gas hydrate transportation, pipeline plugging prevention, and gas capture. (C) 2014 Elsevier Ltd and IIR. All rights reserved.

引用

页码：19 / 31

页数：13

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