Flow Convection

Flow Convection

Cooking with Convection Oven

Convection oven uses convection technique to simplify cooking process. It is made possible by the flow of heat with the help of fan in the oven. With this oven the benefit is one can make food faster at a lower temperature. It uses circulation of heat uniformly in and around the food to cook the food evenly. The main difference between the convection oven and the conventional oven is that the cooking with convection oven takes place at a lower temperature. The principle behind this cooking is that the circulating air spreads heat quicker than still air under similar circumstance.

Convection oven comes as simple convection oven or convection microwave oven. In convection microwave oven the cooking is done with a combination of microwave function and convection function. In this case the oven will use the fast cooking of its microwave function and the browning effect of the convection function. All in all the convection ovens are more energy efficient than ordinary ovens.

There are many type of convection ovens in the market for us to choose from. It also comes in different price ranges to cater to the demands of people from all walks of life. Basically though all convection oven carries out the same function the difference in price and models of the oven mainly depends on the various features provided for the oven. The more expensive ones will have more programmed features for cooking. Thereby people need not have to cook by guessing the time period for getting the food done. In the case of ovens with programmed features they preset the cooking time for various dishes and we only need to press the button or rather touch the indicator for that particular dish. Some of these ovens will also allow us to tailor the settings as per our cooking needs.

Some of the superior ovens with many features can be really expensive but mind you if you are an expert cook you will need only the basic oven to do your cooking. One can also find convection oven at nominal rates which has the basic plus fast cooking features this could be great for those who does a lot of cooking in the oven and have a fair idea of the cooking time for each dish. Opting for such oven will not only save you time but also your money. Now with the internet it is possible for you to sit at home and get the exact convection oven you would like to have…

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Convection oven!

convection???????????????

convection can make water flow round the pipes in a house,without using a pump. think about the glass tube full of water which we heated and then added potassium permanganate to.
Explain what happens to the water above the heat to cause the convection current.?

convection current http://www.talktalk.co.uk/reference/encyclopaedia/hutchinson/m0034929.html

expanded material, being less dense, rises, while colder, denser material sinks

Material of neutral buoyancy moves laterally - water is neutral boyancy - convection currents are used to carry hot water upwards in pipes.

http://encyclopedia.farlex.com/convection+current

http://wiki.answers.com/Q/What_is_a_convection_current

this one looks like something you can use for your answer: http://books.google.com/books?id=WEJjhXierpAC&pg=PA142&lpg=PA142&dq=convection+currents+are+used+to+carry+hot+water+upwards+in+pipes&source=bl&ots=xxMRdV80IC&sig=sz_ADNe7oSjBIeXVFxSFqpfzVF0&hl=en&ei=LhWES6u0K5PllAe5ivDfAQ&sa=X&oi=book_result&ct=result&resnum=6&ved=0CBcQ6AEwBQ#v=onepage&q=convection%20currents%20are%20used%20to%20carry%20hot%20water%20upwards%20in%20pipes&f=false