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The difference is that hydrodynamic lubrication requires the motion of the moving parts that are to be lubricated to pump the actual lubricant. Electrohydrodynamic lubrication involves electrically charged lubricants.

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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.

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Q: What is the difference between hydrodynamic lubrication and electrohydrodynamic lubrication?
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In Motor oil is used as a lubricant and replaces sliding friction to create which type of friction?

Motor oil is used as a lubricant to reduce sliding friction and create a layer of fluid friction, known as hydrodynamic or fluid film lubrication, between moving parts. This helps to reduce wear and heat generated by friction in the engine.


Is friction increased by lubrication?

No, friction is actually decreased by lubrication. Lubrication helps to reduce the resistance between surfaces in contact, allowing them to slide past each other more easily, thereby reducing friction.


The use of oil or grease to lessen friction is called?

The use of oil or grease to lessen friction is called lubrication. Lubrication helps to reduce friction between two surfaces in contact, allowing for smoother movement and improved efficiency.


Lubrication prevents damage from heat and friction and keeps the moving parts operating efficiently?

Yes, lubrication creates a protective barrier between moving parts to reduce friction and heat, preventing wear and damage. Proper lubrication ensures smooth operation and longevity of machinery and equipment.


What are the effects of improper lubrication?

Improper lubrication can lead to increased friction and wear between moving parts, causing overheating and premature component failure. It can also result in decreased efficiency, increased energy consumption, and potential safety hazards due to equipment malfunction. Regular maintenance and proper lubrication are essential to ensure optimal performance and longevity of machinery.