Quantity
|
Level
Cat.
|
Use
Id.
|
Name
|
Convesion
factors to SI units (1 unit equals)
|
Represen.
Symbol
|
Cross
ref.
|
|
Heat |
| thermodynamic |
1 |
|
kelvin |
|
K |
314 |
| temperature |
2 |
|
degree Rankin |
5/9 K |
°
R
315 |
| celsius temperature |
1 |
|
degree Celsius |
|
°C |
316 |
| fahrenheit temperature |
2 |
|
degree Fahrenheit |
|
°F |
317 |
| linear expansion coefficient, cubic expansion coefficient,
relative pressure coefficient |
1 |
|
reciprocal kelvin or kelvin to the power minus one |
|
K-¹ |
318 |
| pressure coefficient |
1 |
|
pascal per kelvin |
|
Pa/K |
319 |
isothermal compressibility,
isentropic compressibility |
1 |
|
reciprocal pascal or pascal to the power minus one |
|
Pa-¹ |
320 |
| heat, quantity of heat, energy, |
1 |
|
joule |
|
J |
321 |
| thermodynamic energy, |
2 |
|
British thermal unit |
1055,056 J |
Btu |
322 |
| enthalpy, |
2 |
X |
15 °C calorie |
4,185 5 J |
cal15 |
323 |
| Helmholtz function, Helmholtz free energy |
2 |
X |
International Table (IT) calorie |
4,186 8 J |
calIT |
324 |
| Gibbs function, Gibbs free energy |
2 |
X |
thermochemical calorie |
4,184 J (exactly) |
calth |
325 |
| heat flow rate |
1 |
|
watt |
|
W |
326 |
| |
1S |
|
kilowatt |
|
kW |
327 |
| |
2 |
|
British thermal unit per hour |
0,293 071 1 N |
Btu/h |
328 |
| density of heat flow rate |
1 |
|
watt per square metre |
|
W/m² |
329 |
| thermal conductivity |
1 |
|
watt per metre kelvin |
|
W/(m.K) |
330 |
| |
2 |
|
British thermal unit per second foot degree Rankin |
6 230,64 W/(m.K) |
Btu/(s.ft.°R) |
331 |
| |
2 |
X |
International Table (IT) calorie per second centimetre
kelvin |
418,68 W/(m.K) (exactly) |
calIT/(s.cm.K) |
332 |
| thermal conductivity |
2 |
X |
thermochemical calorie per second centimetre kelvin |
418,4 W/(m.K) (exactly) |
calth/(s.cm.K) |
333 |
| coefficient of heat transfer |
1 |
|
watt per square metre kelvin |
|
W/(m².K)
| 334 |
| surface coefficient of heat transfer |
2 |
X |
International Table (IT) calorie per second square centimetre
kelvin |
4,186 8x104 W/(m.²K) (exactly) |
calIT/(s.cm².
K)
| 335 |
| |
2 |
X |
thermochemical calorie per second square centimetre kelvin |
4,184x104 W/(m.²K) (exactly) |
calth/(s.cm².
K)
| 336 |
| |
2 |
|
British thermal unit per second square foot degree Rankin |
20 441,7 W/(m².K) |
Btu/(s.ft².
°R)
| 337 |
| |
2 |
|
British thermal unit per hour square foot degree Rankin |
5,678 26 W/(m².K) |
Btu/(h.ft².°R)
| 338 |
| thermal insulance, coefficient of thermal insulation |
1 |
|
square metre kelvin per watt |
|
m².K/W |
339 |
| thermal resistance |
1 |
|
kelvin per watt |
|
K/W |
340 |
| thermal conductance |
1 |
|
watt per kelvin |
|
W/K |
341 |
| thermal diffusivity |
1 |
|
square metre per second |
|
m²/s |
342 |
| |
2 |
|
square foot per second |
0,092 903 04 m²/s(exactly) |
ft²/s
| 343 |
| heat capacity, |
1 |
|
joule per kelvin |
|
J/K |
344 |
| entropy |
1S |
|
kilojoule per kelvin |
|
kJ/K
| 345 |
| specific heat capacity, massic heat capacity, |
1 |
|
joule per kilogram kelvin |
|
J/(kg.K) |
346 |
| specific heat capacity at: |
1S |
|
kilojoule per kilogram kelvin |
|
kJ/(kg.K)
| 347 |
- constant pressure
- constant volume |
2 |
|
British thermal unit per pound degree Rankin |
4 186,8J /(kg.K) (exactly) |
Btu/(lb.°R)
| 348 |
| - saturation |
2 |
X |
International Table (IT) calorie per gram kelvin |
4 186,8 J/(kg.K) (exactly) |
calIT/(g.K)
| 349 |
| specific entropy, massic entropy |
2 |
X |
thermochemical calorie per gram kelvin |
4 184 J/(kg.K) (exactly) |
calth/(g.K)
| 350 |
| ratio of the specific heat capacities, ratio of the massic
heat capacity |
1 |
|
one |
|
1 |
351 |
| isentropic exponent |
|
|
|
|
1
| |
massieu function
planck function |
1 |
|
joule per kelvin |
|
J/K |
353 |
| massic energy, specific energy |
1 |
|
joule per kilogram |
|
J/kg |
354 |
| massic thermodynamic energy, |
1S |
|
joule per gram
| |
J/g |
<
355 |
| specific thermodynamic energy, |
1S |
|
megajoule per kilogram |
|
MJ/kg |
356 |
| massic enthalpy, specific enthalpy |
1S |
|
kilojoule per kilogram |
|
kJ/kg
| 357 |
| massic Helmholtz free energy, |
2 |
|
British thermal unit per pound |
2 326 J/kg (exactly) |
Btu/lb
| 358 |
| specific Helmholtz free energy |
2 |
X |
International Table (IT) calorie per gram |
4 186,8 J/kg (exactly) |
calIT/g
| 359 |
| specific Helmholtz function, massic Gibbs free energy,
specific Gibbs free energy, |
2 |
X |
thermochemical calorie per gram |
4 184J/kg (exactly) |
calth/g
| 360 |