Results 61 to 70 of about 522 (126)
Zhileng xuebao, 2011 A series of experiments on the dynamic performance of the heat pump water heater(HPWH) unit with electronic expansion valve(EEV) under different environmental conditions were conducted.The dynamic heating capacity and coefficient of performance(COP) of ...
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The Research on Thermal Load of Passenger Car Compartment in Idling Working Conditions
Zhileng xuebao, 2012 Based on the thermal equilibrium equation of vehicle envelope considering the impact of external heat radiation, the Newton iteration method was used to calculate both the envelope temperature and the heat flux through the envelope in the idling working ...
Li Kuining, Li Jin, Guo Junfeng, Liu Bin
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Use of explosives in extinguishing peat fires [PDF]
Проанализирован опыт тушения торфяных пожаров путем их локализации противопожарными канавами, созданными с использованием взрывчатых веществ.The experience of extinguishing peat fires by localizing them with fire-fighting ditches created using explosives
Ерицов, А. М. +4 more
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Факторы, определяющие возникновение и распространение лесных пожаров в Республике Беларусь [PDF]
Лесные пожары относятся к стихийным бедствиям, негативно воздействующим на природные экосистемы, экологию и окружающую среду. Вследствие пожаров наносится значительный экономический и социальный ущерб, уничтожается растительный и животный мир.
Гоман, Павел Николаевич
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Analysis of forest fires 2008–2023 in the Tyumen Region [PDF]
В России площадь природных пожаров за последние 20 лет в среднем составляет 8,9 млн га в год, по данным ИСДМ-Рослесхоз. В 2021 г. мы потеряли 18,8 млн га лесного покрова вследствие пожаров.
Кузнецов, Л. Е. +1 more
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Economy Case Study of VRV Ground Source Heat Pump System
Zhileng xuebao, 2011 VRV Ground Source Heat Pump is a new energy-saving technology combining Varied Refrigerant Volume with Ground-source Heat Pump.An office building is selected as representative building,and VRV-GSHP system is compared by other three traditional air ...
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Zhileng xuebao, 2011 In order to solve the problem of cooling nonuniformity in forced air pre-cooling for vegetables and fruits,five vent-hole types were designed,and a physical model and a numerical model were established.The commercial software FLUENT was employed to ...
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Research on Efficiency Evaluation of Multi-functional Heat Pump
Zhileng xuebao, 2011 The absence of evaluation standard seriously constraints the development of multi-function heat pump (MHP) in China. First, the basic principle of MHP is introduced briefly, and the current testing standards are discussed in detail based on different ...
Jiang Mingliu +3 more
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Zhileng xuebao, 2011 The response surface method is applied to design the heat exchanger with decreasing tube diameter, for the traditional design methods are not suitable for the optimization of the performance and cost of heat exchanger simultaneously.
Wu Zhaoguo +5 more
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Zhileng xuebao, 2010 The absorption heat pump technology has been an important building energy-saving technology due to its effective utilization of low-grade heat energy and electrical energy saving.The absorber performance is mainly determined by heat transfer and mass ...
Sun Jian Hu Peng Fu Lin
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