hot air radiation heating system
41Convection — This figure shows a calculation for thermal convection in the Earth s mantle. Colors closer to red are hot areas and colors closer to blue are cold areas. A hot, less dense lower boundary layer sends plumes of hot material upwards, and likewise,… …
42Solar collector — A solar collector is a device for extracting the energy of the sun not indirectly into a more usable or storable form. The energy in sunlight is in the form of electromagnetic radiation from the infrared (long) to the ultraviolet (short)… …
43Hydronics — is the name for the use of water as the heat transfer medium in heating and cooling systems. Some of the oldest and most common examples are steam and hot water radiators. In large scale commercial buildings such as high rise and campus… …
44Climate change mitigation — Fossil fuel related CO2 emissions compared to five of IPCC s emissions scenarios. The dips are related to global recessions. Data from IPCC SRES scenarios; …
45Combined cycle — Thermodynamics …
46Heat — In physics, heat, symbolized by Q , is energy transferred from one body or system to another due to a difference in temperature. [cite book|author= Daintith, John |title=Oxford Dictionary of Physics|publisher=Oxford University… …
47Atmosphere of Venus — Atmosphere of Venus …
48United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… …
49Thermodynamic temperature — is the absolute measure of temperature and is one of the principal parameters of thermodynamics. Thermodynamic temperature is an “absolute” scale because it is the measure of the fundamental property underlying temperature: its null or zero point …
50Diffusion of technology in Canada — This article outlines the history of the diffusion or spread of technology in Canada. Technologies chosen for treatment here include, in rough order, transportation, communication, energy, materials, industry, public works, public services… …
