TS 297 ISO 31-4
Quantities and units – Part 4: Heat
This standard gives names and symbols for quantities and units of heat.
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About This Item
TS 297 ISO 31-4 is a terminology standard within the International System of Units that organizes the names and symbols used for quantities and units related to heat. Its main role is to provide a consistent technical language for expressing heat-related measurement concepts, so that symbols, unit names, and quantity names are used in a uniform way.
Heat in the language of measurement
In general technical usage, heat is energy transferred because of a temperature difference between a system and its surroundings. In thermodynamics, heat, temperature, and internal energy are distinct concepts, and keeping them separate is essential in engineering calculations and scientific communication. A terminology standard such as this one helps align the wording and symbols used for those concepts, reducing ambiguity in technical documents.
Why this kind of standard matters
According to the supplied scope, this standard covers the names and symbols for quantities and units of heat. In practice, that kind of vocabulary control supports consistency across textbooks, laboratory records, technical drawings, and measurement reports. Based on ISO 31-4, this TSE edition serves as a shared reference for writing heat-related notation in a clear and comparable way.
- Standardizes the names of heat-related quantities.
- Aligns the symbols used for those quantities.
- Supports uniform writing of heat units.
- Promotes consistency in thermodynamics and metrology texts.
- Publication Date: 24.02.2005
- Standard Status: H (İptal Edilmiş Standard/Withdrawn standard)
- Publisher: TSE
- Document Language: tr
- ICS Classification: 01.060 Miktarlar ve Birimler
- Pages: 17
- Source Standard: ISO 31-4:1992 +Amd 1:1998
- International Equivalents: ISO 31-4 :1992+Amd 1-EQV; NF X02-204 -EQV; BS ISO 31-4-EQV; DIN 1345-NEQ; DIN 1341-NEQ; DIN 1301-2 -NEQ; DIN 1304-1 -NEQ; DIN 5483-2 -NEQ
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