A New Model for Two-Phase Flow in a Solar Still Improved by a Porous Layer

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POURMOAYED A.R.; RAHMATI R.; GHOLAMI M.

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Journal: JOURNAL OF SOLID AND FLUID MECHANICS Year:2018 | Volume:8 | Issue:1 Page(s): 171-182

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Title

A New Model for Two-Phase Flow in a Solar Still Improved by a Porous Layer

Author(s)

POURMOAYED A.R. | RAHMATI R. | GHOLAMI M. | Issue Writer Certificate

Keywords

Single Slope Solar StillQ1

Volume of Fluid ModelQ1

SpongeQ1

ProductivityQ1

Abstract

In current research, the volume of fluid (VOF) model is used to model the vapor-liquid two-phase flow in a Single Slope Solar Still. This model can be used to track the interface between liquid and vapor phases during the phase change. To evaluate the accuracy of VOF model, the numerical results are compared with the experimental data and the results of previous model for simulating solar still. It was found that the volume of ﬂ uid model predicts the experimental data with more accuracy in comparison with the privious model. After simulation, the effect of using a Sponge layer as the cheap porous material on Productivity of the solar still is investigated. Sponge layer provides more effective surface for evaporation and solar radiation absorption inside the solar still. Moreover, the aponge has wick property and transfers the water to evaporation surface. The results showed that the pure water production of the solar still enhances about 10% by employing a porous layer with porosity of 0. 6. Moreover, it is observed that the Productivity increases with decreasing the porosity of Sponge layer for porosities higher than 0. 6, while the Productivity decreases with decreasing the porosity of Sponge layer for porosities less than 0. 6.

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APA: Copy

POURMOAYED, A.R., RAHMATI, R., & GHOLAMI, M.. (2018). A New Model for Two-Phase Flow in a Solar Still Improved by a Porous Layer. JOURNAL OF SOLID AND FLUID MECHANICS, 8(1 ), 171-182. SID. https://sid.ir/paper/394627/en

Vancouver: Copy

POURMOAYED A.R., RAHMATI R., GHOLAMI M.. A New Model for Two-Phase Flow in a Solar Still Improved by a Porous Layer. JOURNAL OF SOLID AND FLUID MECHANICS[Internet]. 2018;8(1 ):171-182. Available from: https://sid.ir/paper/394627/en

IEEE: Copy

A.R. POURMOAYED, R. RAHMATI, and M. GHOLAMI, “A New Model for Two-Phase Flow in a Solar Still Improved by a Porous Layer,” JOURNAL OF SOLID AND FLUID MECHANICS, vol. 8, no. 1 , pp. 171–182, 2018, [Online]. Available: https://sid.ir/paper/394627/en

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