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Heat flows through a substance when heat is provided to a substance, the molecules that receives it first gets excited and begins to vibrate to and fro thereby hitting another molecule and transferring this vibration to more molecules thereby transferring the heat energy.

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Which types of heat transfer invlove heat flow from objects to colder objects?

Conduction, convection, and radiation are all types of heat transfer that involve heat flow from objects to colder objects. Conduction is the transfer of heat through a material due to direct contact, convection is the transfer of heat through a fluid (liquid or gas), and radiation is the transfer of heat through electromagnetic waves.


How viscosity affects heat transfer?

Viscosity can affect heat transfer by influencing the speed at which a fluid flows. Higher viscosity fluids flow more slowly, which can impede heat transfer due to reduced convective heat transfer rates. Conversely, lower viscosity fluids flow more freely, allowing for better heat transfer as they move more easily over a surface.


What insulation is the opposite of heat transfer?

The opposite of heat transfer is insulation. Insulation helps to reduce the transfer of heat between two surfaces or areas by providing a barrier that limits the flow of heat energy.


Can heat transfer by convection happen in a solid?

No, heat transfer by convection requires the movement of fluids to transfer heat. Since solids do not have the ability to flow like fluids, heat transfer by convection does not typically occur in solids. Heat transfer in solids usually occurs through conduction, where heat is transferred through the vibration of particles.


What is a sign of heat transfer?

A sign of heat transfer is when there is a change in temperature. Heat will flow from a region of higher temperature to a region of lower temperature until thermal equilibrium is reached. Temperature difference is a key indicator of heat transfer.

Related Questions

What is Heat transfer in high speed flow?

It is heat transfer at speed higher than 0.3 Mach.


Which types of heat transfer invlove heat flow from objects to colder objects?

Conduction, convection, and radiation are all types of heat transfer that involve heat flow from objects to colder objects. Conduction is the transfer of heat through a material due to direct contact, convection is the transfer of heat through a fluid (liquid or gas), and radiation is the transfer of heat through electromagnetic waves.


How doe heat transfer from one material to another?

it transfers from heat flow


How viscosity affects heat transfer?

Viscosity can affect heat transfer by influencing the speed at which a fluid flows. Higher viscosity fluids flow more slowly, which can impede heat transfer due to reduced convective heat transfer rates. Conversely, lower viscosity fluids flow more freely, allowing for better heat transfer as they move more easily over a surface.


What insulation is the opposite of heat transfer?

The opposite of heat transfer is insulation. Insulation helps to reduce the transfer of heat between two surfaces or areas by providing a barrier that limits the flow of heat energy.


How does dirty overall heat transfer coefficient affect water flow rate?

A decrease in the overall heat transfer coefficient due to fouling or dirt buildup can reduce the efficiency of heat transfer in a system. This can lead to a decrease in the water flow rate as the system needs to compensate for the reduced heat transfer efficiency. Increased resistance to heat transfer can result in higher energy consumption and reduced performance of the system.


Can heat transfer by convection happen in a solid?

No, heat transfer by convection requires the movement of fluids to transfer heat. Since solids do not have the ability to flow like fluids, heat transfer by convection does not typically occur in solids. Heat transfer in solids usually occurs through conduction, where heat is transferred through the vibration of particles.


What is a sign of heat transfer?

A sign of heat transfer is when there is a change in temperature. Heat will flow from a region of higher temperature to a region of lower temperature until thermal equilibrium is reached. Temperature difference is a key indicator of heat transfer.


What is the heat transfer sign convention and how does it impact the analysis of heat transfer processes?

The heat transfer sign convention refers to the direction of heat flow in a system. It impacts the analysis of heat transfer processes by determining whether heat is being gained or lost by a system. This convention helps in understanding the direction of heat transfer and its effects on the system's temperature changes.


What is the flow of energy due to a temperature difference called?

The flow of energy due to a temperature difference is called heat transfer. Heat transfer can occur through three main mechanisms: conduction, convection, and radiation.


What has the author Dean B Tuft written?

Dean B Tuft has written: 'Calculation of laminar incompressible fluid flow and heat transfer during spherical annulus filling' -- subject(s): Transmission, Mathematical models, Heat, Laminar flow, Sphere


How does heat transfer to one material to another?

it transfers from heat flow