CONVERSION OF SEAWATER TO FRESH WATER: AN EXPERIMENT WITH A SOLAR ASSISTED HEAT PUMP

被引：0

作者：

Hawlader, M. N. A. ^{[1
]}

Amin, Zakaria Mohd ^{[1
]}

机构：

[1] Natl Univ Singapore, Dept Mech Engn, Singapore 117576, Singapore

来源：

ES2008: PROCEEDINGS OF THE 2ND INTERNATIONAL CONFERENCE ON ENERGY SUSTAINABILITY, VOL 2 | 2009年

关键词：

Heat pump; Desalination; evaporator-collector; performance; SYSTEM;

D O I：

暂无

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Seawater desalination is one of the most suitable areas for the utilization of solar thermal energy due to the coincidence, in many places of the world, of water scarcity, seawater availability and good levels of solar irradiation. The. solar assisted heat pump provides a new horizon in the seawater desalination. Experiments were conducted on solar assisted heat pump desalination system under meteorological conditions of Singapore. This system uses two types of flat-plate solar collectors. One is called evaporator-collector which is entirely unglazed. The other type is single-glazed collector used for feed water heating. A single stage MED (multi-effect distillation) evaporator is used in this system and the refrigerant R134a is used in the heat pump. The system has a Performance Ratio (PR) of around 1.3 and water production capability of 0.6 to 0.9 kg/hr. The Coefficient of Performance (COP) of the heat pump reaches a maximum value of about 9 for the meteorological conditions of Singapore..

引用

页码：649 / 654

页数：6

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