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What are some common heat transfer questions that are frequently asked in thermodynamics?
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?
What are some common thermal energy questions that are frequently asked in the field of physics?
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?
Why saturated steam is used in exchangers frequently rather then superheated?
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.
What are two examples of heat transfer?
Convection - heat transfer through liquids.Conduction - heat transfer through solids.Radiation - heat transfer through vacuum.
What is convective heat?
Convection heat transfer is the transfer of heat by the movement of a fluid.
How does temperature affect the rate of heat transfer?
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.
What is the convective heat transfer coefficient of water and how does it impact the rate of heat transfer in a system?
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.
What do conduction and convection have in common?
They're both modes of heat transfer via material media.
What metal is the best conductor of heat?
We know that silver is the best heat conductor among the metals, followed by copper.
Winds transfer heat energy by what method of heat transfer?
convection
How heat transfer is controlled?
There is a special mechanism that controls heat transfer.
What is convective heat transfer?
Convection heat transfer is the transfer of heat by the movement of a fluid.
