Question

what does convection mean in heat transfer?​

Answer 1

$\huge\mathfrak{Answer:-}$

⭐ Convection is the process in which heat is transferred from one point to another by the actual movement of heat material particles from place of higher temperature to another place of lower temperature.

⭐ Phenomenon on thermal convection:-

• Ventilation:- It is the process by which warm and impure air in a room goes out while fresh air from outside comes in room. It is with the help of ventilator or exhaust fan.
• Chimney:- In it, the heated air together with smoke and product of combustion go up in air. Used in kitchens, factories etc.

$\huge\mathfrak{Thank you :)}$