Results 281 to 290 of about 25,933 (342)

Performance Analysis of Solar Evacuated Tube Collector

Advanced Materials Research, 2013
The high temperature operation of Evacuated Tube Collectors (ETC) and their very low radiant heat losses make them ideal for solar water heating, solar space heating, desiccant air conditioning, thermal driven cooling and industrial process heating applications. The work temperature of common ETC can reach 100~ 250°C. The vacuum tube envelope minimizes
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Thermal analysis of an evacuated tube collector module

Solar & Wind Technology, 1988
Abstract In this paper an empirical relation for finding out an overall heat loss coefficient in the case of an evacuated tubular collector has been developed has all possible range of variables and values compared with the analytically calculated values. A good agreement between the two has been obtained.
H.P. Garg, Summana Chakravertty
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Thermal modeling of evacuated tube solar air collectors

Solar Energy, 2015
Abstract This paper presents a one dimensional thermal model of a solar evacuated tube open at both ends under transient conditions. Variations of fluid mass flow rate, ambient temperature, solar radiation, and wind speed are accounted for. The semi-analytical model relies on the energy conservation equation for small control volumes along the ...
Pierre-Luc Paradis, Daniel R. Rousse, Stéphane Hallé, Louis Lamarche, Guillermo Quesada   +4 more
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Thermal characteristics of evacuated tube solar collectors with coil inside: An experimental study and evolutionary algorithms

, 2020
In this paper, the thermal characteristics of an evacuated tube solar collector for different volumetric flow rates of the fluid (10, 30 and 50 l/h) was experimentally improved by using copper oxide/distilled water (Cu2O/DW) nanofluid, and parabolic ...
Gholamabbas Sadeghi, M. Najafzadeh, M. Ameri   +2 more
semanticscholar   +1 more source

Thermal performance of evacuated tube heat pipe solar collector

AIP Conference Proceedings, 2016
The high fossil energy consumption not only causes the scarcity of energy but also raises problems of global warming. Increasing needs of fossil fuel could be reduced through the utilization of solar energy by using solar collectors. Indonesia has the abundant potential for solar energy, but non-renewable energy sources still dominate energy ...
Nandy Putra, M. R. Kristian, R. David, K. Haliansyah, Bambang Ariantara   +4 more
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Flat-Plate and Evacuated Tube Collectors

2013
Solar-energy collectors are devices employed to gain useful heat energy from the incident solar radiation. They can be of the concentrating or the flat-plate type. A simple flat-plate solar energy collector consists basically of an absorbing surface which absorbs the insolation and transmit it in form of heat to a working fluid commonly air or water. A
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Design of Evacuated Tube Solar Collector with Heat Pipe

Materials Today: Proceedings, 2017
Abstract The Renewable source of energy is the future energy source that meets out our demand for energy. In this solar energy is one of the prime sources. The harnessing of the solar energy can be done in both ways Solar (PV), Solar Thermal. Solar thermal finds more suitable for domestic needs such as Space Heating, Cooling, Hot water systems ...
S. Siva Kumar, K. Mohan Kumar, S.R. Sanjeev Kumar   +2 more
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Novel low-cost parabolic trough solar collector with TPCT heat pipe and solar tracker: Performance and comparing with commercial flat-plate and evacuated tube solar collectors

, 2020
This work presents a novel low-cost parabolic trough solar collector in which a two-phase closed thermosiphon (TPCT) heat pipe made of stainless steel and composed of evaporation and condensation parts with a total length of 285 cm has been utilized to ...
H. Fathabadi
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Experimental and numerical investigations on performance of evacuated tube solar collectors with parabolic concentrator, applying synthesized Cu2O/distilled water nanofluid

Energy for Sustainable Development, 2019
In this study, in order to enhance the thermal efficiency of the solar water heating system, the effect of reflector, parabolic concentrator, and the nanofluid copper oxide/distilled water (Cu2O/DW) for 0.01 to 0.08 volume fractions on thermal ...
Gholamabbas Sadeghi, H. Safarzadeh, M. Ameri   +2 more
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A modified solar desalination system using evacuated tube collector

Desalination, 2016
Abstract Solar energy is turning to one of the important types of clean energies, due to its availability, and its potential for wide range of applications. In this work, a new passive solar desalination system is introduced, which benefits from excellences of twin-glass evacuated tube collectors.
M.B. Shafii, S. Jahangiri Mamouri, M.M. Lotfi, H. Jafari Mosleh   +3 more
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