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Supplying present and future energy demand without adding to climate change is one of the most pressing problems today. Renewable energy is a potentially huge solution, for which governments are creating policies to encourage its harness and use. The dominance of photovoltaic (PV) among...
Persistent link: https://www.econbiz.de/10011190409
Chinese solar greenhouses (CSG) are fully passive solar greenhouses for growing vegetables without auxiliary heating during the winter. The building parameters then have an important effect on the solar energy utilization and the temperatures in the greenhouse. This paper reviews greenhouse...
Persistent link: https://www.econbiz.de/10011190411
A solar assisted heat pump is used for different applications, such as, water heating, drying and air conditioning. The unglazed evaporator-collector enables to absorb both solar energy and ambient energy due to low operating temperature. Three different systems are described: solar assisted...
Persistent link: https://www.econbiz.de/10011190456
The negative impact of human activities on the environment receives tremendous attention, especially on the increased global temperature. To combat climate change, clean and sustainable energy sources need to be rapidly developed. Solar energy technology is considered as one of the ideal...
Persistent link: https://www.econbiz.de/10011190466
There is an acute scarcity of potable water in many parts of the world, and especially in the Middle East region. Most of developing countries around the world endeavor to make a balance between declining fresh water supplies and the rapid demands of a rising population. Economic analysis is an...
Persistent link: https://www.econbiz.de/10011190467
Solar air heaters (SAHs) form the foremost component of solar energy utilization system. These air heaters absorb the irradiance and convert it into thermal energy at the absorbing surface and then transfer this energy to a fluid flowing through the collector. SAHs are inexpensive and most used...
Persistent link: https://www.econbiz.de/10011190485
Thermal energy storage (TES) is regarded as among the most feasible environmentally friendly solutions for saving energy. R&D activities for heating and cooling of buildings lead to the development of various technology types.
Persistent link: https://www.econbiz.de/10011190503
An effective energy technology strategy has to balance between setting a stable long term framework for innovation, while also responding to more immediate changes in technology cost and performance. Over the last decade, rather than a steady progression along an established learning curve, PV...
Persistent link: https://www.econbiz.de/10011190518
This article suggests a detailed comparison of 7 working pairs intended for use in solar adsorption cooling systems. The performance analysis was based on two indicators: adsorption capacity and solar coefficient of performance. Based on a reformed form of the Dubinin–Astakhov equation, a 3D...
Persistent link: https://www.econbiz.de/10011190929
Solar home systems (SHS) can provide energy services to rural households more cost effectively than extending national grids, and without relying on polluting fuels such as kerosene, diesel and coal. This study explores four recent SHS programmes supported by the World Bank’s Asia...
Persistent link: https://www.econbiz.de/10011138762