Methods of Heat Transfer (Leaving Cert Home Economics): Flashcards
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15 cards from this deck
Conduction heat transfer definition
Conduction heat transfer definition
Heat moves particle to particle through direct contact
Convection heat transfer definition
Convection heat transfer definition
Heat transfers through moving air or liquid currents
Radiation heat transfer definition
Radiation heat transfer definition
Heat travels directly from source to food without contact
Three methods of heat transfer
Three methods of heat transfer
Conduction, convection, radiation
Cooking methods using conduction
Cooking methods using conduction
Frying, boiling, stewing
Cooking methods using convection
Cooking methods using convection
Boiling, steaming, baking, roasting
Cooking methods using radiation
Cooking methods using radiation
Grilling
How convection circulates heat
How convection circulates heat
Hot air/liquid rises whilst cooler air/liquid falls
Direction radiation heat travels
Direction radiation heat travels
Straight lines from heat source to food
Heat transfer methods used in boiling
Heat transfer methods used in boiling
Conduction (from pan base) and convection (water currents)
Three categories of cooking methods
Three categories of cooking methods
Moist, dry, frying
Moist cooking methods use
Moist cooking methods use
Liquid or steam
Dry cooking methods characteristic
Dry cooking methods characteristic
Cook without adding liquid or fat
Frying methods use
Frying methods use
Hot fat or oil
Why radiation requires turning food
Why radiation requires turning food
Heat travels in straight lines, so food must be turned for even cooking on all sides