Heat Fan Research Articles

Investigation on Multiple-Disk Fan Heat Exchanger

回転する多層円板に摩擦による流体駆動と拡大伝熱面の両機能をもたせた回転形熱交換器について,主として円板間の貫流流れに対する熱伝達特性を実験により調べた.その結果,本熱交換器が極めて優れた伝熱特性を有することが実証されるとともに,従来ほとんど研究がなされていない回転円板間の貫流流れに対する熱伝達の概略が明らかにされた.

The reduction of energy consumption due to fans in refrigerated areas

The electricity consumption by fans in refrigerated areas can contribute significantly to the refrigeration load. In addition to the cost of electricity consumed by the fans, there is the cost of additional refrigeration capacity and consequent electricity consumption necessary to remove the fan heat from the refrigerated environment. Some meat freezers with seasonal variations in production and no provision for the reduction of fan load at low throughputs have annual fan heat loads well in excess of the product refrigeration loads. Alternative designs are discussed which could more than halve the annual fan energy consumption of meat freezers used in New Zealand.

Air Conditioning as Applied in Theaters and Film Laboratories

During the past six years approximately two hundred theaters in cities well distributed throughout the United States have invested in air conditioning systems. This equipment is distinguished from the ordinary fan ventilation and heating equipment by the fact that it provides for cooling the air during the summer and, what is even more important, offers means of effectively establishing and controlling the condition of humidity.