Ovens have a history that date back to ages. It is believed that the settlers of the Indus Valley Civilization were among the pioneers to have an oven within each mud-brick house. This was during 3200 BC. Ever since men have experimented with fire they have tried out a number of ovens to suit their convenience and needs.
Greeks are believed to have mastered the art. In fact proper bread ovens originated in Ancient Greece that allowed them to cook a wide variety of doughs, loaf shapes etc. Over the years we see that baking has evolved and bread, which was, once prepared in homes are now being developed at bakeries outside home. Quite naturally the requirement for ovens have also changed.
Convection Ovens
Oven is traditionally a kitchen appliance that is widely used across the globe. One of the most popular uses of oven is for baking and roasting. There are variety dishes that are cooked in this fashion and that includes foods, which are used for roasting and heating such as meat, casseroles and baked goods such as bread, cake and other desserts.
Among all the varieties of oven, convection oven is a popular variety. This is a kind of oven, which has a frame, and at the same time it also has a base member. Apart from that the oven also has two upright members, which extend upwardly from the base. A major characteristic feature that distinguishes the oven from others is that it has a cooking chamber, which is removable supported by the frame. Apart from that the cooking chamber also includes an upper enclosure and a lower enclosure.
This is an oven, which functions on the principles of convection, and the great part about it is that it has a housing attached to the upper enclosure member. This is so configured that cool air flows from a peripheral portion of an arm into a central portion of the housing.
At the same time the oven has a passive hinge and this is a hinge, which is instrumental in connecting the housing to the frame. The housing and upper enclosure member may be both separated from the frame. Apart from that the hinge also has a lower enclosure member that allows one to lift the housing vertically. It is then pivoted relative to the frame and lower enclosure member and at the same time a holster may hold the upper enclosure member.
Convection ovens or fan ovens differ from a traditional oven as they help in circulating heated air using a fan. In these kinds of ovens we see that fan motor is in a separate enclosure that allows one to prevent it from overheating.
The advantages of using a convection oven are that the food warms faster in a convection oven because the moving air strips away the thin layer of air. This air otherwise would surround and insulate the food. However it needs to be mentioned here that in most cases the ovens have natural convection currents.
These are the currents that vary with food placement and position of the heating elements. What this kind of oven or convection oven does is that it moves fast hot air past the food, convection ovens and thus allows it to operate at a lower temperature than a standard conventional oven. Yet at the same time food is cooked more quickly.