Vivek
Some common heat transfer questions in thermodynamics include: How does heat flow from one object to another? What factors affect the rate of heat transfer? How can heat be transferred through conduction, convection, and radiation? How can the efficiency of heat transfer be improved in different systems?
Some common thermal energy questions in physics include: How does heat transfer occur? What factors affect the rate of heat transfer? How is thermal equilibrium reached between objects? How does temperature affect the behavior of gases? How can thermal energy be converted into other forms of energy?
The heat transfer coefficient of superheated steam is poor. Saturated steam has a better heat transfer coefficient, and also most of the heat transferred from steam occurs because of the condensation phase change.
Convection - heat transfer through liquids.Conduction - heat transfer through solids.Radiation - heat transfer through vacuum.
Convection heat transfer is the transfer of heat by the movement of a fluid.
For conductive and convective heat transfer, the rate of heat transfer is proportional to the the temperature difference; if you double the difference you will double the rate of heat transfer. For radiative heat transfer, the rate of heat transfer is proportional to the difference of the 4th powers of the absolute temperatures.
The convective heat transfer coefficient of water is a measure of how easily heat can move through water. A higher convective heat transfer coefficient means heat can transfer more quickly. In a system, a higher convective heat transfer coefficient can increase the rate of heat transfer, making the system more efficient at exchanging heat.
They're both modes of heat transfer via material media.
We know that silver is the best heat conductor among the metals, followed by copper.
convection
There is a special mechanism that controls heat transfer.
Convection heat transfer is the transfer of heat by the movement of a fluid.