Numerical simulation on flow of ice slurry in horizontal straight tube

doi:10.1007/s11708-017-0451-0

Front. Energy

2021, Vol. 15

Issue (1) : 201-207 https://doi.org/10.1007/s11708-017-0451-0

RESEARCH ARTICLE

Numerical simulation on flow of ice slurry in horizontal straight tube

Shengchun LIU(

), Ming SONG, Ling HAO, Pengxiao WANG

Tianjin Key Laboratory of Refrigeration Technology, Tianjin University of Commerce, Tianjin 300134, China

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Abstract

Numerical simulation on flow of ice slurry in horizontal straight tubes was conducted in this paper to improve its transportation characteristics and application. This paper determined the influence of the diameter and length of tubes, the ice packing factors (IPF) and the flow velocity of ice slurry on pressure loss by using numerical simulation, based on two-phase flow and the granular dynamic theory. Furthermore, it was found that the deviation between the simulation results and experimental data could be reduced from 20% to 5% by adjusting the viscosity which was reflected by velocity. This confirmed the reliability of the simulation model. Thus, two mathematical correlations between viscosity and flow velocity were developed eventually. It could also be concluded that future rheological model of ice slurry should be considered in three sections clarified by the flow velocity, which determined the fundamental difference from single-phase fluid.

Keywords ice slurry horizontal tubes numerical simulation pressure drop viscosity model

Corresponding Author(s): Shengchun LIU

Online First Date: 16 February 2017 Issue Date: 19 March 2021

Cite this article:

Shengchun LIU,Ming SONG,Ling HAO, et al. Numerical simulation on flow of ice slurry in horizontal straight tube[J]. Front. Energy, 2021, 15(1): 201-207.

URL:

https://academic.hep.com.cn/fie/EN/10.1007/s11708-017-0451-0
https://academic.hep.com.cn/fie/EN/Y2021/V15/I1/201

Fig.1 Contour of pressure in the cross-section of the tube

Fig.2 Comparison of pressure loss between numerical simulation and experimental data at IPF= 10%

Fig.3 Comparison of pressure loss between numerical simulation and experimental data at IPF= 20%

Fig.4 Comparison of pressure drop between test and numerical results at (tube diameters) D = 0.015 m and IPF= 10%

Fig.5 Comparison of pressure drop between test and numerical results at (tube diameter) D = 0.015 m and IPF= 20%

Fig.6 Variation of pressure drop with the distance to the inlet at v= 0.5 m/s, IPF= 20%, and D = 0.015 m

Fig.7 Variation of pressure drop with the distance to the inlet at v= 1 m/s, IPF= 10%, and D = 0.009 m

Fig.8 Simulation results of pressure drop at different D_s (tube diameter)

Fig.9 Comparison of pressure drop between test and numerical results at D_s (tube diameters) = 0.015 m and IPF= 30%

Fig.10 Modified viscosity-velocity curve at IPF= 10% and D_s (tube diameters) = 0.015 m

Fig.11 Modified viscosity-velocity curve at IPF= 20% and D_s (tube diameters) = 0.015 m

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