METHOD OF ISOLATING CONVECTIVE FLOWS AND HARMFUL EMISSIONS FROM HEAT-EMITTING EQUIPMENT AND VORTEX-FREE AIR DISTRIBUTOR Russian patent published in 2013 - IPC B08B15/00 

Abstract RU 2477185 C1

FIELD: process engineering.

SUBSTANCE: invention relates to ventilation equipment and is intended for isolating convective flows from heat-emitting equipment in microelectronics, pharmaceutics, high-precision mechanics and optics. In compliance with this method, air is fed to equipment mounted at exhaust panel from above via the panel of vortex-free air distributor in low-turbulence flow, uniformly via panel area, while flow rate id define from the following equation: V ≥ 0.45/√9.8 × l × β × Δt m/s, where V is incident flow rate; l is equipment length, m; β is air cubical expansion factor, 1/°C, Δt is difference in temperatures of equipment surface and incident flow, °C. Note here that air is withdrawn over the edges of heat-emitting equipment via exhaust panel. Note also that relationship between withdrawn air and plenum air should be kept equal to 1.2-1.4. Dimensions of plenum and exhaust panels and distance there between are defined from the following equations: hT/(bO-bT)≤1; hT/(lO-lT)≤1; h/bO≤2.0, where hT, bT, h are equipment height, width and length; bO, lO are width and length of panels; h is distance between panels.

EFFECT: reliable isolation of convective flows and harmful emissions related herewith.

2 cl, 5 dwg

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RU 2 477 185 C1

Authors

Grimitlin Aleksandr Mikhajlovich

Znamenskij Rostislav Borisovich

Krupkin Grigorij Jakovlevich

Lukanina Marija Aleksandrovna

Dates

2013-03-10Published

2011-09-30Filed