solar water Articles
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Comparison of performance prediction of solar water heaters between Artificial Neural Networks and conventional correlations
The aim of this study was to develop a predictive method for heat transfer coefficients in solar water heaters and their performance evaluation of such heaters with different materials used as heat collectors. Two approaches have been used: conventional method and an Artificial Neural Network (ANN) to predict the performance of solar water heaters and to compare these two approaches. This ...
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What is the solar water heater subsidy in India?
Solar Subsidy Solar Water Heater Subsidy India, MNRE and more A question often asked is what is the subsidy given by government on solar water heaters? MNRE or Ministry of New and Renewable Energy provides subsidies and incentives to users to use Solar Water Heaters. This scheme is outlined under SWHS or Solar Water Heating Systems. A question that is often asked is what is the subsidy given by ...
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Solar water cost and feasibility of solar water heating system
The present research work has been carried out on 1,000 litre installed capacity solar water heating system, at Jijau Hostel, Dr Panjabrao Deshmukh Agricultural University (PDKV), Akola, Maharashtra, India. The main objectives were to evaluate various costs and benefits involved in the solar water production. The costs of hot water production per litre with comparison to electrical energy were ...
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Solar Water Distillation System, Solar Thermal Energy Conversion System
Innovation in Water and Energy Access to Water and Energy is a Human Right and Fundamental Freedom to share the “gift of life”. The US. Patent and Trademark Office have awarded two Patents US 6,494,995 B1 for Solar Water Distillation System and US 7,127,894 B2 for Solar Thermal Energy Conversion System to the Inventor Mr.Hammam Battah, P.E, having 45+ years of Professional Engineering ...
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Evaluation of environmental factors and equipment configuration on efficiency of a solar soil water collector
The aim of this paper is to assess the effects of environmental factors and equipment configuration on the recovery of soil water using a solar collector. The recovery of water from soil is difficult, since the energy requirements are very high. Solar energy provides a solution to this problem, especially in countries with high solar radiation. In the current study, it was found that the amount ...
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Harnessing the Sun`s Energy for Water and Space Heating
The pace of solar energy development is accelerating as the installation of rooftop solar water heaters takes off. Unlike solar photovoltaic (PV) panels that convert solar radiation into electricity, these "solar thermal collectors" use the sun's energy to heat water, space, or both. China had an estimated 168 million square meters (1.8 billion square feet) of rooftop solar thermal collectors ...
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On rooftops worldwide, a solar water heating revolution
The harnessing of solar energy is expanding on every front as concerns about climate change and energy security escalate, as government incentives for harnessing solar energy expand, and as these costs decline while those of fossil fuels rise. One solar technology that is really beginning to take off is the use of solar thermal collectors to convert sunlight into heat that can be used to warm ...
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The promotion and development of renewable energy technologies: current status and pattern of use in Nepal
This paper presents the current status and pattern of use of Renewable Energy Technologies (RETs) in Nepal. The importance of the renewable energy development paradigm is considered in the overall context of national development by supplying the energy requirements of rural areas by the use of available biomass resources whilst also protecting the environment. The RETs popular in the rural energy ...
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Parametric study and exergy analysis of solar water–lithium bromide absorption cooling system
This paper presents the energy and exergy analysis of single–effect water–lithium bromide absorption cooling system driven by the heat supplied by a field of solar thermal collectors with a cooling capacity of 10 kW. The work is devoted to the study, the evaluation and distribution of the destroyed exergy for each component constituting this kind of system. The thermodynamic models have been ...
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Significance of design for energy conservation in buildings: building envelope components
Energy efficient buildings consist of using innovative technologies based on renewable energies and a good thermal insulation. Most strategies applied in design and many of the services offered by lodging establishments require the consumption of substantial quantities of energy, water and non–durable products. In most developing countries, it makes perfect sense to focus on the ...
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Solar PV: Scottish Water: Brechin - Case Study
Installation Date: June 2016 Location: Brechin System: 250kW This installation – one of many Absolute are involved in for Scottish Water - took place at Scottish Water’s site in Brechin and was completed within 5 weeks as was due to an impending drop in the Feed In Tarriff. We are very proud to have been chosen by Scottish Water to undertake the many projects currently underway ...
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Performance evaluation of parabolic dish type solar collector for industrial heating application
From Indian perspective there is a large potential available for low cost solar water heating systems. The described system can instantly fulfil needs of hot water in industrial sector. This type of system can be used for heating boiler feed water, laundry applications and other steam generation applications. In general, concentrated solar collectors have high efficiency as compared to flat plate ...
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Sources and technology for hydrogen production: a review
A comprehensive review of various processes and possible sources of hydrogen production are discussed in this paper. The various process for hydrogen production reviewed includes industrial process i.e. steam reforming, thermal cracking, partial oxidation of fossil fuels, coal gasification, electrolysis, thermochemical etc. and new emerging processes like photolysis, photo-voltaic electrolysis, ...
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Ground Source Heat Pump installed in eco house
This case study looks at a ground source heat pump being installed in London. A Ground Source Heat Pump was chosen as a sustainable and energy efficient way to provide 100% space heating and hot water for this 550m2 new build eco-house in East London. A Heat Recovery Mechanical Ventilation System was also utilised, which, together with Solar Thermal hot water and LED lighting give this stunning ...
By Ground Sun
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Water vapour permeation measurement for PV Solar Cell packaging
With fears of carbon dioxide causing global warming and diminishing supplies of fossil fuels, a looming energy crisis is affecting all countries. As a consequence, a great deal of world-wide effort is going into the development of alternative energy technologies. At present, wind, hydro and geothermal are becoming well established with more niche roles for tidal and solar. The latter technology ...
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The effect of sponge liner on the performance of simple solar still
In conventional solar stills, a part of the radiation is reflected by the inner wall surfaces to the still components and the remaining energy is stored by itself. The main objectives of this experimental study are: 1) to utilise the energy available on the inner wall surfaces of a still by using sponge liner; 2) to find the optimum thickness of sponge liner. Two single-slope solar stills are ...
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Solar disinfection of natural waters with modified solar concentrators
Solar water disinfection is a proven method for household purification of drinking water. Compound parabolic collectors (CPCs) have been used to enhance the inactivation rate of microorganisms. In the present study, a modified CPC with a higher concentration ratio of 1.1 was employed to further speed up the process. A large number of tests were conducted with water samples collected from ...
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Hotel Melia Las Dunas Cayo Santa Maria, Cuba - Case Study
OVERVIEW The Hotel Melia Las Dunas has 925 rooms and suites. Fresh water arrives at the Hotel in a DN 200 steel pipe (8”). Water consumption daily average is 936 m3 (almost 250,000 US Gallons per day) with peak rates up to 190 m3/h (833 gpm). WATER SYSTEM CHALLENGES The domestic hot water for the site is produced by two sets of three boilers feeding four heat exchangers. Four solar hot ...
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Advanced High Temperature Solar Thermal - XCPC
SOLAR THERMAL IS HERE TO STAY Artic Solar, Inc. is the exclusive manufacturer of a revolutionary high-temperature solar thermal technology. The XCPC collector utilizes cutting-edge developments in non-imaging optics to provide industrial and facility heating and cooling at lower cost than any other renewable energy source. It is the only roof-mountable solar heating technology with the ...
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Energy and exergy analysis of a solar–assisted heat pump space heating system for clear days
The studies over solar–assisted heat pump systems have been performed mostly on time periods when solar radiation is high. Therefore, this study focuses on performance analysis of a solar–assisted heat pump system which stores the energy during the clear day and uses it as a heat source of heat pump space heating system during the night. Energy and exergy analyses divided into two parts, which ...
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