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首页> 外文会议>IASTED(International Association of Science and Technology for Development) International Conference on Power, Energy, and Applications; 20060911-13; Gaborone(BW) >DESIGN OF SOLAR-AQUA-AMMONIA ABSORPTION REFRIGERATION FOR RURAL AREAS OF BOTSWANA
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DESIGN OF SOLAR-AQUA-AMMONIA ABSORPTION REFRIGERATION FOR RURAL AREAS OF BOTSWANA

机译：博茨瓦纳农村地区太阳能-水-氨吸收制冷的设计

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摘要

Botswana lies within the highest solar radiation belt in the Southern Africa region with mean annual total radiation of 8000 - 8500 MJ/m~2. In 2002 in an attempt to bring grid electricity to rural areas, the government of Botswana completed a 72 villages' rural electrification project, bringing the proportion of the national population having access to grid power to about 30 percent [1]. The larger proportion of the population, that is about 70%, however, still remain not connected to the grid system. As a complimentary effort to addressing this situation, this paper proposes widening the application of solar technology, especially in the villages; in particular the paper proposes the design and development of a Solar-Thermal Aqua-Ammonia Absorption Refrigerator system to be used by the rural dwellers for cold storage. Firstly, a small test model of 50 litres capacity will be designed, manufactured and tested in the laboratory. This will, then, be followed by a prototype test model that will be investigated in the field using Campbell Scientific CR510 data-loggers to automatically record required data onto Digital Storage Modules (DSMs). Periodic visits will be undertaken to the test site for data uploading as well as observatory investigations, and equipment inspection and servicing. The manufactured solar cooling system would be useful to the rural dwellers for storage of medicines and vaccines at rural health clinics as well as storage of perishable agricultural produce.
机译：博茨瓦纳位于南部非洲地区最高的太阳辐射带之内，年平均总辐射量为8000-8500 MJ / m〜2。为了给农村地区提供电网，2002年，博茨瓦纳政府完成了72个村庄的农村电气化项目，使拥有电网的全国人口比例达到了30％左右[1]。但是，仍然有较大比例的人口（约70％）未连接到网格系统。为了应对这种情况，本文建议扩大太阳能技术的应用范围，尤其是在乡村地区。特别是，本文提出了一种设计和开发一种太阳能热水氨吸收式制冷机系统，供农村居民用于冷藏。首先，将在实验室中设计，制造和测试一个容量为50升的小型测试模型。然后，接着是原型测试模型，该模型将使用Campbell Scientific CR510数据记录仪在现场进行调查，以将所需数据自动记录到数字存储模块（DSM）中。将会定期访问测试站点以上传数据，进行天文台调查以及设备检查和维修。所制造的太阳能冷却系统将对农村居民用于农村卫生所的药品和疫苗的存储以及易腐农产品的存储很有用。

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