TUBE ROW OF A GAS AIR COOLING APPARATUS Russian patent published in 2005 - IPC

Abstract RU 2266486 C1

FIELD: the invention refers to heat-and-power engineering particularly to the rows of heat exchanging tubes and may be used in gas air cooling apparatus.

SUBSTANCE: the tube row of the gas air cooling apparatus consists of finned tubes successively located in a row with spacing in axes making 1,7-3,4 diameter of the body of the tube without taking into consideration the diameter of fins. At that the finning of each tube is fulfilled transversely relatively to the central longitudinal axle of the tube and located under an angle to the mentioned axle. The central longitudinal axes of the tubes are oriented predominantly in parallel and located in a conditioned flatness normal to the vector of the flow of the exterior cooling environment, predominantly air. At that the tubes are located to form the flow in the projection of the mentioned conditioned flatness of aerodynamics shading with various aerodynamics transparency consisting of plots of complete aerodynamics opaque corresponding to projections on the mentioned flatness of the bodies of the tubes without taking the finning into account and the plots of incomplete aerodynamics transparency each limited from one side with a conditioned direct line passing along the tops of the fins and from the other side - with the contour of the body of the tube to the base of the fins. At that the tubes in the row are accepted at the condition according to which correlation on the unit of the square of the mentioned flatness of total square of the mentioned plots with various aerodynamics opaque compose correspondingly (0,25-0,52):(0,29-0,58).

EFFECT: allows to increase thermal aerodynamics characteristics of the tube row of the gas air cooling apparatus and improve conditions for streamlining tubes in the row with the exterior cooling environment and provides increasing thermal effectiveness of the apparatus at minimal metal consuming by the construction.

3 cl, 3 dwg

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RU 2 266 486 C1

Authors

Berestov V.A.

Shljakhov S.B.

Dates

2005-12-20Published

2004-03-26Filed