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Hydrostatic
1)For pressurized supply of fluid an external pressure supply is used 2) speed is less
3)Design of bearing house is complicated 4)Initial cost is high 5) Load carrying capacity is high 6) It can be used as air bearings.
hydrodynamic
1) Pressure for fluid supply is produced by relative moving motion of the parts 2) The cost is less 3)Design of bearing house is less complicated 4) speed is high 5) Load carrying capacity is less 6) Cannot be used as air bearings.
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Rafa
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CoachA hydrostatic bearing utilizes an external pump to supply pressurized fluid into the bearing, creating a fluid film to support the load. In contrast, a hydrodynamic bearing relies on relative motion between the bearing and the shaft to generate the necessary fluid film for load support.
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What is the difference between hydrodynamic lubrication and electrohydrodynamic lubrication?
Hydrodynamic lubrication relies on the motion of the lubricant generated by the relative motion of the surfaces to create a fluid film that separates the surfaces. Electrohydrodynamic lubrication introduces an electric field to control the lubricant flow and improve film formation and lubrication performance, typically used in high-speed and high-load applications.
What is the difference between pneumatic and hydrostatic?
Pneumatic systems use compressed air to transmit power, while hydrostatic systems use pressurized fluids, typically oil. Pneumatic systems are generally simpler, cleaner, and easier to maintain, but they have lower power capabilities compared to hydrostatic systems. Hydrostatic systems offer higher power density and are better suited for heavy-duty applications.
What causes the fluid part of the blood to be forced through the walls of the capillaries into the space inside the capsule?
This process, known as filtration, is driven by the pressure difference between the blood inside the capillaries (hydrostatic pressure) and the fluid in the tissue spaces outside the capillaries (osmotic pressure). The hydrostatic pressure pushes fluid out of the capillaries, while the osmotic pressure in the tissue spaces helps to prevent excessive fluid loss by drawing fluid back in.
Major difference between thrust radial bearing?
A thrust bearing is designed to handle axial loads (parallel to the shaft), while a radial bearing is designed to handle radial loads (perpendicular to the shaft). These bearings have different internal structures to accommodate their respective load types. Thrust bearings usually have a series of balls or rollers to support axial loads, whereas radial bearings have a raceway to support radial loads.
What is the difference between friction and antifriction bearing?
Friction bearings rely on direct contact between surfaces, such as metal on metal, to support loads, while antifriction bearings use rolling elements (balls, rollers) to reduce friction and support loads more efficiently. Antifriction bearings are typically smoother, have lower friction, and require less maintenance compared to friction bearings.
