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English-Bulgarian polytechnical dictionary . 2013.
thermal units
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british thermal units — abbr. btu The amount of heat required to raise the temperature of one pound of water one degree Fahrenheit. Used in expressing the thermal value of heating oils. Btu/lb – British thermal unit per pound Btu/scf – British thermal unit per standard… … Petroleum refining glossary
Thermal conversion factor — A factor for converting data between physical units of measure (such as barrels, cubic feet, or short tons) and thermal units of measure (such as British thermal units, calories, or joules); or for converting data between different thermal… … Energy terms
Thermal desorption — is an environmental remediation technology that utilizes heat to increase the volatility of contaminants such that they can be removed (separated) from the solid matrix (typically soil, sludge or filter cake). ExplanationThermal desorption is not … Wikipedia
Thermal depolymerization — (TDP) is a process using hydrous pyrolysis for the reduction of complex organic materials (usually waste products of various sorts, often known as biomass and plastic) into light crude oil. It mimics the natural geological processes thought to be … Wikipedia
Thermal resistance in electronics — Thermal resistance is the temperature difference across a structure when a unit of heat energy flows through it in unit time. It is the reciprocal of thermal conductance. The SI units of thermal resistance are kelvins per watt, or the equivalent… … Wikipedia
Thermal barrier coating — Thermal barrier coatings are highly advanced material systems applied to metallic surfaces, such as gas turbine or aero engine parts, operating at elevated temperatures. These coatings serve to insulate metallic components from large and… … Wikipedia
Thermal spraying — techniques are coating processes in which melted (or heated) materials are sprayed onto a surface. The feedstock (coating precursor) is heated by electrical (plasma or arc) or chemical means (combustion flame). Thermal spraying can provide thick… … Wikipedia
Million British Thermal Units — MMBtu. See Btu. U.S. Dept. of Energy, Energy Information Administration s Energy Glossary … Energy terms
Thermal power station — Republika Power Plant, a thermal power station in Pernik, Bulgaria … Wikipedia
Thermal conductivity — In physics, thermal conductivity, k, is the property of a material that indicates its ability to conduct heat. It appears primarily in Fourier s Law for heat conduction.First, we define heat conduction by the formula::: H=frac{Delta Q}{Delta t}=k … Wikipedia
Thermal comfort — Human thermal comfort is defined by ASHRAE as the state of mind that expresses satisfaction with the surrounding environment (ASHRAE Standard 55). Maintaining thermal comfort for occupants of buildings or other enclosures is one of the important… … Wikipedia
