Results 81 to 90 of about 447,992 (303)

Economic and Ecological Efficiency of Solar Systems. A Case Study at the Gorzków and Rudnik Communes

open access: yesBarometr Regionalny, 2016
The objective of the study was to assess the economic and ecological efficiency of solar systems used to prepare domestic hot water. The study was carried out at 501 sites in the communes of Gorzków and Rudnik (Krasnystaw County, Lubelskie Voivodship ...
Piotr Gradziuk, Barbara Gradziuk
doaj   +1 more source

Variational method in the design of an optimum solar water heater storage tank [PDF]

open access: yes, 2006
Solar energy is a renewable resource because it is non-exhaustible and is available in abundance. The average daily total solar radiation amount in Malaysia is about 4500 Wh/m2, K.S Ong (1994).
Misha, Suhaimi
core  

Eco‐Friendly Surfactants From Pithecellobium dulce: Extraction, Characterization and Surface Activity

open access: yesJournal of Surfactants and Detergents, EarlyView.
Schematic representation of the comprehensive analysis of saponins extracted form of Pithecellobium dulce (Roxb.) Benth. ABSTRACT The widespread use of synthetic surfactants in industrial and domestic applications has raised environmental concerns due to their biodegradability and ecological issues.
Susmita Gudulkar   +4 more
wiley   +1 more source

Collation of monthly and semiannual reports covering instrumentation at the Decade 80 house in Tucson, Arizona [PDF]

open access: yes
The Decade 80 solar house, located in Tucson, Arizona, was built to show the use of copper in home building and to demonstrate the use of solar energy to provide space heating and cooling and domestic hot water.

core   +1 more source

Food quality profile of fermented cassava dough: A tool for the value chain upgrading

open access: yesJSFA reports, EarlyView.
Abstract Background Agbelima is a fermented cassava mash, which is then cooked into dough. The key quality attributes are color, odor, stretchability, and sour taste. To succeed in upgrading agbelima value chain, there is a need to determine the instrumental parameters that predict the quality of consumer‐preferred attributes of the final product. This
Lionnel Arnaud Chabi China   +8 more
wiley   +1 more source

Solar hot water system installed at Day's Lodge, Atlanta, Georgia [PDF]

open access: yes
The solar energy hot water system installed in the Days Inns of America, Inc., Atlanta, Georgia is described. This system provides for 81 percent of the total hot water demand. There are two separate systems, each serving one building of the lodge (total

core   +1 more source

Domestic oven heated by a concentrating solar collector [PDF]

open access: yes, 2014
A project to power a domestic oven by solar energy was developed. The focal axis of a cylindrical parabolic reflector usually reaches temperatures of up to 250ºC. A heat transfer fluid carries this heat to the heat exchanger in the oven. Current domestic
Lloveras Macià, Joaquín
core  

Optimisation of a high-efficiency solar-driven organic rankine cycle for applications in the built environment [PDF]

open access: yes, 2018
Energy security, pollution and sustainability are major challenges presently facing the international community, in response to which increasing quantities of renewable energy are to be generated in the urban environment.
Chatzopoulou, Maria Anna   +2 more
core   +2 more sources

Effects of deficit irrigation and biostimulants on melon productivity and quality in semi‐arid conditions

open access: yesJournal of the Science of Food and Agriculture, EarlyView.
Abstract BACKGROUND Water scarcity and soil salinization are major constraints to irrigated agriculture in semi‐arid regions, affecting crop productivity and fruit quality. Combining deficit irrigation with biostimulant application has emerged as a promising strategy to improve water use efficiency and plant stress tolerance.
Jefferson dos Santos Gomes Calaça   +12 more
wiley   +1 more source

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