It is shown that preheating ladle linings to 1400掳C with the use of electric heaters is a cost-effective measure.doi:10.1007/s11015-012-9583-yM. V. KrasnyanskyYa. L. KatzI. M. BershitskyMetallurgist
There exits the concept of efficiency in many mass or energy transfer processes,such as heat to work conversion,flow process,electric conduction and so on,but does not in heat transfer process because of its conservation.Based the concept of efficiency we can compare the performance of different ...
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The useful work in heating food is quite clear. Space heating can be more complex. How much of the space does one really wish to heat? Small space heaters are commonly spoken of as being inefficient, but if the useful work is delivering heat to an individual at a desk, the useful work...
ChemInform Abstract: Efficiency of Air Cleaning by Catalytic Afterburning with Electric Heaters. ChemInform Abstract: Efficiency of Air Cleaning by Catalytic Afterburning with Electric Heaters.environmentalprotectionwastegaspurification... W.,F.,MAIER,... - 《Cheminform》 被引量: 2发表: 2010年 ...
Closing Off Part of the House To Save Energy on HVAC - I have a Heil gas/electric package unit in my home. I, particularly, want to know, if I can close off a section to save on heating. Heating dealers have not been helpful as they hedge on whether and how this can...read more...
The utility model belongs to rapid open type (instantaneous) electric water heater. Current open type electric water heaters consist of electric heater pipe heating types, glass pipe conductive film heating types, transformer insulation secondary current heating types and the like. The electric heater ...
It is widely used as small electric ovens, muffle, air heating conditioners, various oven, electric heating tube and household electric appliances. Mica Dryer Heaters: Mica Fan Heaters: Composition: Heating wire is manufactured by using high quality resistance heating alloy wires as ...
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For example, during the operation of semiconductor thermoelectric heaters (heat pumps) the consumption of electric power is less than the amount of heat produced by the thermoelement. The excess energy is drawn from the environment. In this case, although the true efficiency is less than 1, ...