THEORETICAL EVALUATION OF SOLAR DISTILLATION UNDER NATURAL CIRCULATION WITH HEAT-EXCHANGER

被引：70

作者：

LAWRENCE, SA ^{[1
]}

TIWARI, GN ^{[1
]}

机构：

[1] UNIV PAPUA NEW GUINEA,DEPT PHYS,POB 320,PORT MORESBY,PAPUA N GUINEA

来源：

ENERGY CONVERSION AND MANAGEMENT | 1990年 / 30卷 / 03期

关键词：

Solar distillation; Solar energy; Solar still;

D O I：

10.1016/0196-8904(90)90001-F

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The operation of solar thermal devices under natural circulation mode has been proven to have various advantages over forced circulation mode in terms of simplicity, reliability and cost effectiveness. Hence, a theoretical model of a solar distillation system, consisting of a single basin solar still coupled with a panel of collectors has been developed. The proposed system operates under natural circulation mode (thermosyphon mode) through a heat exchanger placed inside the water in the basin of the solar still. The effect of various operating parameters, e.g. temperature dependence of internal heat transfer coefficients, time dependence of water mass, depth of water mass, heat exchanger length, collector area, etc. have been incorporated in the thermal model. Numerical computations have been carried out for a typical day of Port Moresby, Papua New Guinea. On the basis of theoretical results, an empirical relation for internal heat transfer coefficients has been derived. The obtained results have also been discussed in detail. © 1990.

引用

页码：205 / 213

页数：9

共 10 条

[1]

Malik, Tiwari, Kumar, Sodha, Solar Distillation, (1982)

[2]

Tiwari, Advanced Solar Distillation System, (1985)

[3]

Rai, Tiwari, Energy Convers. Mgmt, 23, (1983)

[4]

Bapeshwar Rao, Ph.D. thesis, (1986)

[5]

Yadav, Ph.D. thesis, (1986)

[6]

Webster, Coutier, Place, Tavana, Sol. Energy, 38, (1987)

[7]

Lawrence, Gupta, Tiwari, Experimental Validation of Thermal Analysis of Solar Still with Dye, International Journal of Solar Energy, 6, (1988)

[8]

Tiwari, Gupta, Lawrence, Energy Convers. Mgmt, 29, (1989)

[9]

Duffie, Beckman, Solar Engineering of Thermal Processes, (1980)

[10]

Tiwari, Singh, Nayak, Applied Solar Thermal Energy Devices, (1985)

← 1 →