نتایج جستجو برای: solar water heater

تعداد نتایج: 663624  

ژورنال: علوم آب و خاک 2009
اکبری, علی, دخانی, شهرام, شاهدی, محمد, صادقی, مرتضی, همدمی, ناصر,

Sun drying is a well-known food preservation technique that reduces the moisture contents of agricultural products. Shrinkage, rehydration ability and color of food materials during air drying adversely affect the quality of the dried products. Since all fresh tomatoes can not be consumed at the time of harvest, preservation provides a larger market, allowing consumers to buy the preserved toma...

2015
Yongqing Wang Zhilong Xu Noam Lior Hui Zeng

An experimental desalination system coupling a vacuum membrane distillation (VMD) unit and a vacuum tube solar heat collection (SHC) unit was developed and tested. The parametric sensitivity of the VMD unit performance was investigated first using an electric heater as the heat source, and then the whole system was examined using solar heat. It was revealed that hot feed temperatures higher tha...

Journal: :مهندسی بیوسیستم ایران 0
مریم زمانیان دانشجوی سابق کارشناسی ارشد،دانشکده کشاورزی، دانشگاه شیراز علی زمردیان استاد، دانشکدۀ کشاورزی، دانشگاه شیراز

in this research a flat plate solar air collector was investigated under direct solar radiation consisted of a slatted glass cover, perforated absorber aluminum sheets (porosity 0.0177, 0.0314 and absorber thickness of 2.5 mm). the effect of porosity on absorber efficiency of collector was evaluated. six levels of air mass flow rates (0.0056 to 0.0385 kg m-2 s-1) were adopted.average solar ener...

Journal: :Jurnal fisika : fisika sains dan aplikasinya 2023

Fish as a source of animal protein is fishery commodity that prone to quality deterioration and spoilage after the fish caught, so it needs fast, precise correct handling keep its in hands consumers. There for necessary have process extends durability through drying. One drying alternative use Solar Air Heater with an Ultra Violet (UV) Dryer house by making building made transparent material fu...

Hitesh N. Panchal, P. K. Shah

A solar still is a viable option when the demand of potable water does not exceed more than 3 litres. Enhancement in distillate output from the solar still is a main goal of many researchers all over the world. In this research, the effect of copper and aluminium plates on distillate output is investigated experimentally as well as theoretically at different water depths under the same climate ...

2015
William J. Rhoads Pan Ji Amy Pruden Marc A. Edwards

BACKGROUND Lowering water heater temperature set points and using less drinking water are common approaches to conserving water and energy; yet, there are discrepancies in past literature regarding the effects of water heater temperature and water use patterns on the occurrence of opportunistic pathogens, in particular Legionella pneumophila. Our objective was to conduct a controlled, replicate...

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