Numerical Studies on the Performance of a Bubble Pump

L. Bruno Augustin; Jigar Golecha; K.G. Sai Shreenaath; Vishnu Swami; M. Suresh

doi:10.4028/www.scientific.net/AMM.330.203

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 330Numerical Studies on the Performance of a Bubble...

Numerical Studies on the Performance of a Bubble Pump

Abstract:

Increase in the consumption of electrical energy worldwide has laid the emphasis on replacing electrical energy with thermal energy wherever possible. In this paper, the bubble pump, which is ‘heart’ of diffusion- absorption refrigeration system, has been investigated numerically. A thermally driven bubble pump, which can be powered by waste heat or solar thermal energy, is used to lift the liquid. As a result of the absence of any mechanical moving part, the refrigerator is silent and very reliable in addition to an economical and environmental friendly device. The concept of such a pump is already in existence but optimization studies are yet to be extensively investigated. This paper deals with the optimization of various parameters of the bubble pump using water as the working fluid. Parametric studies are carried out and a design optimization for maximum efficiency is performed for various operating conditions. Numerical simulation of the bubble pump is carried out using simple numerical equations which assume slug flow in the bubble pump. The diameter of the pipe and the position of the heating element are varied and the effect it has on time taken, pumping ratio and pumping ratio for one pumping cycle is studied.

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Periodical:

Applied Mechanics and Materials (Volume 330)

Pages:

203-208

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.330.203

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Online since:

June 2013

Authors:

L. Bruno Augustin, Jigar Golecha, K.G. Sai Shreenaath, Vishnu Swami, M. Suresh

Keywords:

Bubble Pump, Diffusion-Absorption Refrigeration, Numerical Simulation, Slug Flow, Water

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References

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