thermal radiation
[EN 12792:2003, 363]:transmission of energy by means of electromagnetic waves emitted due to temperature.
Continue reading →main-glossary
thermal sensation
[EN 12792:2003, 364]:conscious feeling commonly graded into the categories cold, cool, slightly cool, neutral, slightly warm, warm and hot.
Continue reading →thermal stratification
(See air, stratified)
Continue reading →thermal transmittance (“U”-Value)
[AIVC, Air infiltration and ventilation glossary, 1992]:the heat flow transmitted through a unit area of a given structure, divided by the difference between the effective ambient temperature on either side of the structure, under steady state conditions. Expressed as a … Continue reading →
thermography
[AIVC, Air infiltration and ventilation glossary, 1992]:the process of converting the heat emitted from an object into visible pictures. It is used to indicate the temperature distribution over part of a building envelope and is useful for locating infiltration flow … Continue reading →