Online conversion of heat related units

App description

Heat unit conversion

Unit conversion for thermal conductivity, thermal
resistance, thermal conductivity, specific heat.

Thermal conductivity, also known as "thermal conductivity",
takes two parallel planes with a distance of
1 m and an area of ​​1 m2 perpendicular to the direction
of heat conduction inside the object. If the
temperatures of the two planes differ by 1 K, then one
from 1 second The heat conducted by the plane to
the other plane is defined as the thermal conductivity
of the substance, and its unit is watt·m^-1
·^-1(W·m^-1·K^-1).

Since the airflow inevitably expands and accelerates in
the horizontal duct, a full pressure drop is
generated in the flow direction, thereby forming thermal
resistance.

Heat conduction (thermal conductivity) is a heat transfer
phenomenon in the medium without macroscopic motion,
which can occur in solids, liquids and gases, but strictly
speaking, pure heat conduction is only in solids,
and fluids are even at rest. The state, in which natural
convection also occurs due to the density difference
caused by the temperature gradient, therefore, thermal
convection and heat conduction occur simultaneously in
the fluid.

Specific heat capacity, also known as specific heat capacity,
is referred to as specific heat, which is the heat
capacity per unit mass of material, that is, the internal
energy absorbed or released when the unit mass object
changes unit temperature. Specific heat capacity is a
physical quantity that represents the thermal properties
of a substance. Usually indicated by the symbol c. Specific
heat capacity is related to the state of matter and
the type of matter.

Enter the corresponding value in the corresponding calculation
box, and select the unit of the check box. Click
“Calculate” and the result will display the conversion
value between each unit.

Usage example

Calculating thermal conductivity

Input data: 10 watts per meter per opening, click
"Calculate" to display the results.

Output: The conversion result is 5.77789 BTU / (hr-ft-°F);
69.33471 BTU / (hr-ft2-°F)/in; 0.023901cal/(sec-cm-°C);
2.3901cal/ (sec- M-°C).

Calculating thermal resistance

Enter the data: 10 ° C / W, click "Calculate" to
display the results.

Output: The conversion result is 5.2753 °F-hr/BTU;
18991.008 °F-sec/BTU.

Calculating thermal conductance

Enter the data: 10 W/K, click “Calculate” to display
the result.

Output: The conversion result is 18.956BTU/(°F-hr);
0.005266BTU/(°F-sec)

Calculating specific heat

Enter the data: 10J/(Kg-°C), click “Calculate” to
display the result.

Output: The conversion result is 0.002388 BTU/(lbm-°F);
0.002388cal/(g-°C).