نتایج جستجو برای: unglazed transpired solar collectors

تعداد نتایج: 123611  

Journal: :Energies 2022

Energy consumption is steadily increasing with the ever-growing population, leading to a rise in global warming. Building energy one of major sources warming, which can be controlled renewable installations. This paper deals an advanced evacuated hybrid solar photovoltaic–thermal collector (PVT) for simultaneous production electricity and domestic hot water (DHW) lower carbon emissions. Most PV...

In this paper, a forced circulation solar water heater system is simulated for different hot water consumption profiles using flat plate collectors as well as evacuated tube collectors. The profiles studied are the actual samples of hot water consumption profiles for different commercial centers and institutions. Dynamic simulation outputs of system thermal performance are used as economic anal...

Recently, increase in the cost of fossil fuels and taking into consideration the environmental effects of exploiting them, caused many researchers and governments to find some ways to make use of renewable energies more cost-effectively. Solar energy is a category of renewable energies which could be harvested via several technologies. One of the most practical methods is using parabolic trough...

Journal: :International Journal of Low-carbon Technologies 2022

Abstract Energy security depends upon the supply and demand of electricity. Power volatility is a challenge in India power sector. mainly dependent on coal, which not viable long-term option. Hence future energy renewable energy, solar most prominent reliable source energy. The plant classified as low, medium, high temperature based plant. low- plant, collectors, are unglazed plates. In contrac...

GH. R. Mehdizadeh Ahangar S.E. Ghasemi,

In the present work the effect of Cu-Water nanofluid, as heat transfer fluid, on the performance of a parabolic solar collector was studied numerically. The temperature field, thermal efficiency, mean-outlet temperatures have been evaluated and compared for the conventional parabolic collectors and nanofluid based collectors. Further, the effect of various parameters such as fluid velocity, vol...

2014
Sanda Budea

Solar air collectors have various applications: on the one hand, they can be used for air heating in cold seasons; on the other hand they can be used in summer to evacuate the warm and polluted air from residential, offices, industrial, and commercial buildings. The paper presents experimental results of a solar collector air, under the climatic conditions of the Southeastern Europe. The relati...

علی زمردیان, , حمید قاسم خانی, , داریوش زارع, ,

The application of solar energy for drying cereals and other agricultural commodities has been increasing lately. This is due to the fact that solar energy is free, renewable, inexhaustible and environmentally friendly. This research is a new approach for employing solar energy as the main energy source for drying purposes. The drying test rig was designed, fabricated and evaluated. The grain s...

GH. R. Mehdizadeh Ahangar S.E. Ghasemi,

In the present work the effect of Cu-Water nanofluid, as heat transfer fluid, on the performance of a parabolic solar collector was studied numerically. The temperature field, thermal efficiency, mean-outlet temperatures have been evaluated and compared for the conventional parabolic collectors and nanofluid based collectors. Further, the effect of various parameters such as fluid velocity, vol...

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