THE FLOW OF LUBRICANT IN A NARROW WEDGE-SHAPED SLOT WITH A MOVABLE WALL IS CONSIDERED

Удк, Плин Мастила, У Вузькій, КЛИНОПОДІбНІЙ Щілині, З Рухомою Стінкою
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Abstract

The article presents the results of a study of the lubricant flow in a narrow wedge-shaped slot with a movable wall. A solution to the problem with slip boundary conditions on the channel walls is obtained. The effect of slippage on the change in hydrostatic lift and hydraulic resistance in the slotted channel is shown.  It was determined in the work that with an increase in the slip intensity (an increase in the value of the Knudsen number), the pressure variation weakens.  This is due to the weakening of the interaction of the flow with the wall. As a result, the hydraulic resistance is reduced. The dependence of the relative hydrostatic lifting force on the Knudsen number and the opening angle of the channel is obtained. It is determined that with an increase in the Knudsen number, the magnitude of the hydrostatic lifting force decreases, since the influence of the flow on the wall weakens. The influence of slippage weakens with an increase in the opening angle of the channel.
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考虑了润滑油在带活动壁面的楔形狭槽中的流动
本文介绍了带活动壁面的窄楔形槽内润滑剂流动的研究结果。得到了沟槽壁面有滑动边界条件问题的一个解。分析了滑移对槽道静压升力和阻力变化的影响。在工作中确定,随着滑移强度的增加(克努森数值的增加),压力变化减弱。这是由于流动与壁面的相互作用减弱所致。因此,减小了液压阻力。得到了相对静液举升力与克努森数和通道开口角的关系。可以确定,随着克努森数的增加,流体静力提升力的大小减小,因为流动对壁面的影响减弱。滑移的影响随通道开口角度的增大而减弱。
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THE FLOW OF LUBRICANT IN A NARROW WEDGE-SHAPED SLOT WITH A MOVABLE WALL IS CONSIDERED AERODYNAMICS AND MIXTURE FORMATION IN BURNERS WITH A MULTI-ROW JET FUEL SUPPLY SYSTEM IMPROVEMENT OF THERMAL MODES OF WARMING UP HIGH-TEMPERATURE UNITS METHOD OF REDUCING WATER HARDNESS SALTS AND HEAT AND MASS EXCHANGE EQUIPMENT FOR ITS IMPLEMENTATION INFLUENCE OF COMBINED DRYING OF COLLOID CAPILLARY-POROUS MATERIALS ON ENERGY EXPENDITURES
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