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Su Solberg
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What is "heat transfer coefficient"
What is heat transfer coefficient?
and where can i find a table listing it?
What is heat transfer coefficient?
and where can i find a table listing it?
Thermal and electrical conductivity often go together (for instance, most metals are both electrical and thermal conductors). However, some materials are practical electrical conductors without being a good thermal conductor.
Thermal conductivity depends on many properties of a material, notably its structure and temperature. For instance, pure crystalline substances exhibit very different thermal conductivities along different crystal axes, due to differences in phonon coupling along a given crystal axis.
Heat transfer coefficient is a measure of the rate at which heat is transferred between two substances or within a substance. It is commonly denoted by the symbol "h" and is expressed in units of watts per square meter per Kelvin (W/m2K).
Heat transfer coefficient can be determined experimentally by measuring the temperature difference between two substances and the rate of heat transfer. It can also be calculated using mathematical equations that take into account properties of the substances, such as thermal conductivity and surface area.
The main factors that affect heat transfer coefficient are the properties of the substances involved, such as thermal conductivity and surface area, as well as the medium through which heat is transferred (e.g. air, water). Other factors include temperature difference, flow rate, and the presence of any barriers or insulating materials.
Heat transfer coefficient is important in many aspects of science and engineering, such as designing heating and cooling systems, understanding heat loss in buildings, and optimizing industrial processes. It is also a crucial factor in determining the efficiency of heat transfer and can help improve the performance of various systems.
Heat transfer coefficient is related to other heat transfer parameters, such as thermal conductivity and heat capacity, through mathematical equations. It is also directly related to the heat flux, which is the amount of heat transferred per unit time and unit area. The higher the heat transfer coefficient, the higher the rate of heat transfer and the more efficient the heat transfer process.