Results 11 to 20 of about 266,752 (314)
Energy efficiency of heating systems using solar windows [PDF]
Budownictwo o Zoptymalizowanym Potencjale Energetycznym, 2019 The era of technological progress provides people with many opportunities to install in a building various systems such as heating, gas supply and ventilation that will help to improve the microclimate and comfort of use of theroom.
Stepan Shapoval +4 more
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Investigation of Textile Heating Element in Simulated Wearing Conditions
AUTEX Research Journal, 2021 The research was focused on the heating capacity of developed, isolated from water penetration, knitted textile heating element with incorporated conductive silver (Ag)- plated yarns, which can be used in manufacturing heating textile products intended ...
Stygienė Laimutė +4 more
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Optimal Operation of Electric Heating Network Based on Variable Energy Efficiency of Energy Hub [PDF]
Zhengzhou Daxue xuebao. Gongxue ban, 2023 In the optimization operation of electric heating networks based on energy hubs, the neglect of the characteristic of energy efficiency of energy hub equipment changing with its input or output power leads to a significant deviation between the ...
LI Hongwei +3 more
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Heat Pump Cycle Efficiency for Heat Supply [PDF]
Central Ukrainian Scientific Bulletin. Technical Sciences, 2020 The aim of the article is to analyze the literature and scientific publications on the effectiveness of the heat pump in heat supply systems and to study the efficiency of using the steam compression cycle of a heat pump in a heat supply system. Тo conduct energy and exergy analysis of heat pump efficiency indicators, the working fluid of which is ...
Mykola Bosiy, Olexandr Kuzyk
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Paradoxes in understanding the Efficiency Factors of Space Heating [PDF]
, 2019 Efficiency factors are here defined as the thermal energy performance indicators of the space heating. Until recently, the efficiency factors were assumed as one value for space heating located in any climate.
Christian Brembilla +11 more
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Thermal Properties of Carbon Fiber-Reinforced Lightweight Substrate for Ecological Slope Protection
Energies, 2019 A new ecological substrate is proposed to achieve a desired electric conduction and heating to protect the slope plants from freeze injury. Expanded polystyrene (EPS), cement, carbon fiber, graphite, and raw soil are the main components of the ecological
Qiang Ma +3 more
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Generation of an Unstable Rotating Arc and Its Application to Steam Superheating
Journal of Thermal Science and Technology, 2012 This experimental study was conducted to heat gases using an arc driven by an external magnetic field. A dc arc was produced between a tungsten rod cathode and a cylindrical anode.
Shigehiro KUWAMOTO +4 more
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Eco-efficiency of passive solar heating [PDF]
E3S Web of Conferences, 2019 The article presents calculations of the energy efficiency of direct solar heating and sunspace, located on the building facades of various orientations, in the climatic conditions of the southern coast of Crimea.
Klevets Ksenia +2 more
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Differential Equations & Applications, 2022 Summary: By means of fixed point theory we study properties of solutions of a Volterra integral heat equation \[ x(t) = a(t) -\int^t_0 A(t-s) f (s,x(s))ds \] by first mapping it into \[ x(t) = z(t) +\int^t_0R(t-s)\left[x(s)-\frac{f (s,x(s))}{J}\right]ds \] where \[ z(t) = a(t)-\int^t_0 R(t-s)a(s)ds, \] \(R\) is the resolvent of \(JA\), \(J\) is a large
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Influence of orientation on efficiency of combined solar heating system in gravity mode [PDF]
, 2019 The use of renewable energy sources is a priority and a qualitative new direction in the energy sector. The article presents the efficiency of heat generation in a heating system with solar collectors at different orientations relativeto the ...
Stepan Shapoval +3 more
core +1 more source