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- Hydraulic_clearance abstract "Hydraulic clearance. Flow in narrow clearances are of vital importance in hydraulic system component design. The flow in a narrow circular clearance of a spool valve can be calculated according to the formula below if the height is negligible compared to the width of the clearance, such as most of the clearances in hydraulic pumps, hydraulic motors, and spool valves. Flow is considered to be laminar. The formula below is valid for a spool valve when the spool is steady.Concentric spool/valve housing position i.e. the height/radial clearance c is the same all around:Flow Qi = (∆P · π · d · c3) ÷ (12 · ν · ρ · L) where:ΔP = P1-P2 = pressure drop over the clearanced = valve spool diameterc = clearance height (radial clearance)ν = kinematic viscosity for the oilρ = density for the oilL = clearance lengthAs can be seen from the formula, the clearance height c has much more influence on the leakage than the length.Contact between the spool and the wall, the value that is generally used for practical calculations:Flow Qe = 2.5 · Qi".
- Hydraulic_clearance thumbnail Hydraulic_clearance.png?width=300.
- Hydraulic_clearance wikiPageID "8936967".
- Hydraulic_clearance wikiPageLength "1373".
- Hydraulic_clearance wikiPageOutDegree "6".
- Hydraulic_clearance wikiPageRevisionID "549260905".
- Hydraulic_clearance wikiPageWikiLink Category:Hydraulics.
- Hydraulic_clearance wikiPageWikiLink Hydraulic_drive_system.
- Hydraulic_clearance wikiPageWikiLink Hydraulic_motor.
- Hydraulic_clearance wikiPageWikiLink Hydraulic_pump.
- Hydraulic_clearance wikiPageWikiLink Hydraulic_system.
- Hydraulic_clearance wikiPageWikiLink Spool_valve.
- Hydraulic_clearance wikiPageWikiLink File:Hydraulic_clearance.png.
- Hydraulic_clearance wikiPageWikiLinkText "clearance".
- Hydraulic_clearance hasPhotoCollection Hydraulic_clearance.
- Hydraulic_clearance wikiPageUsesTemplate Template:Unreferenced.
- Hydraulic_clearance subject Category:Hydraulics.
- Hydraulic_clearance type Article.
- Hydraulic_clearance type Article.
- Hydraulic_clearance type Hydraulic.
- Hydraulic_clearance comment "Hydraulic clearance. Flow in narrow clearances are of vital importance in hydraulic system component design. The flow in a narrow circular clearance of a spool valve can be calculated according to the formula below if the height is negligible compared to the width of the clearance, such as most of the clearances in hydraulic pumps, hydraulic motors, and spool valves. Flow is considered to be laminar.".
- Hydraulic_clearance label "Hydraulic clearance".
- Hydraulic_clearance sameAs m.027qdcz.
- Hydraulic_clearance sameAs Spaltströmning.
- Hydraulic_clearance sameAs Q10674280.
- Hydraulic_clearance sameAs Q10674280.
- Hydraulic_clearance wasDerivedFrom Hydraulic_clearance?oldid=549260905.
- Hydraulic_clearance depiction Hydraulic_clearance.png.
- Hydraulic_clearance isPrimaryTopicOf Hydraulic_clearance.