why a thermos flask keeps hot liquid hot and cold liquid cold for a long time
Answers
Answered by
1
Explanation:
The technical name of a thermos is a vacuum flask (you will know the reason why, shortly). To keep your drinks hot or cold, it minimizes heat transfer due to conduction and radiation. Convection is not included because convection keeps the temperature in a liquid even.
Answered by
2
Answer:
Most companies claim that their insulated bottles stay cold for 24 hours and hot for 12.
The technical name of a thermos is a vacuum flask.To keep your drinks hot or cold, it minimizes heat transfer due to conduction and radiation. Convection is not included because convection keeps the temperature in a liquid even.
Similar questions