- lower heating
- Тепличные технологии: нижний обогрев
Универсальный англо-русский словарь. Академик.ру. 2011.
lower heating
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Lower heating value — The lower heating value (also known as net calorific value , net CV , or LHV ) of a fuel is defined as the amount of heat released by combusting a specified quantity (initially at 25 °C or another reference state) and returning the temperature of … Wikipedia
Net (Lower) Heating Value — (NHV) The potential energy available in a fuel as received, taking into account the energy loss in evaporating and superheating the water in the fuel. Equal to the higher heating value minus 1050W where W is the weight of the water formed from… … Energy terms
heating — I Process of raising the temperature of an enclosed space. Heat can be delivered by convection, radiation, and thermal conduction. With the exception of the ancient Romans, who developed a form of central heating, most cultures relied on direct… … Universalium
Heating oil — Fuels for heating Heating oil Wood pellet Kerosene Propane Natural gas Wood Coal Heating oil, or oil heat, is a low viscosity, flammable liquid petroleum product used as a fuel for furnaces or boilers in buildings. Home heating oil is often … Wikipedia
Heating degree day — United States Heating Degree Day map, 1961 1990 … Wikipedia
Heating pad — HotBag redirects here. For the container used to keep pizzas warm, see Pizza delivery#Delivery bags. A heating pad is a pad used for warming of parts of the body in order to manage pain. Localized application of heat causes the blood vessels in… … Wikipedia
Lower Xiajiadian culture — The Lower Xiajiadian culture (zh stp |s=夏家店下层文化 |t=夏家店下層文化 |p=Xiàjiādiàn xiàcéng wénhuà; 2200 ndash;1600 BC [ Leadership Strategies, Economic Activity, and Interregional Interaction: Social Complexity in Northeast China , pp. 89] ) is an… … Wikipedia
Heating Value — The amount of heat produced from the complete combustion of a unit of fuel. The higher (or gross) heating value is that when all products of combustion are cooled to the pre combustion temperature, water vapor formed during combustion is… … Energy terms
Lower (Net) Heating Value — The lower or net heat of combustion for a fuel that assumes that all products of combustion are in a gaseous state. (See Net Heating Value below.) … Energy terms
Higher heating value — The higher heating value (HHV;also known as the gross calorific value or gross energy) of a fuel is defined as the amount of heat released by a specified quantity (initially at 25 °C) once it is combusted and the products have returned to a… … Wikipedia
Space heating — is the heating of a space, usually enclosed, such as a house or room. A space heater keeps the air and surroundings at a comfortable temperature for people or animals, or even plants in a greenhouse. Space heating generally warms a small space,… … Wikipedia
