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a strong adverse pressure gradient in this regionmay ... resultin flow separation
adverse pressure gradient for boundary layer(passive) caused byflow separation
the adverse pressure gradients(passive) caused bythe flow separation
Positive pressure gradient ... adverse pressure gradientcausesflow separation
the thickening of the boundary layer and the existence of an adverse pressure gradient across the shock wave(passive) is caused byA flow separation
the type of body , bluff versus streamlined bodies(passive) is influenced byflow separation
The dimples disrupt the air flow around the golf ball during flightto causeturbulent flow separation
In this case , a turbulent boundary layer encounters a sudden back stepcausingflow separation
the strong shockcausingflow separation
when an adverse pressure gradient ( increasing pressure ) is too steep within the pressure recovery region at the back of our vehicle(passive) is causedFlow separation
interference between high - Mach - number shock waves and boundary layers in the technical field of hypersonic flight vehicles(passive) caused byflow separation
neededto preventflow separation
Conical Draft Tube : This type of draft tube consists of a conical diffuser with half angle generally less than equal to 10 °to preventflow separation
A terminal shock wave of sufficient strength interacting with a boundary layercan causeflow separation
Conical diffuser or straight divergent tube - This type of draft tube consists of a conical diffuser with half angle generally less than equal to 10 °to preventflow separation
The boundary layer ... these pointsresultsin flow separation
the type of boundary layer(passive) is influenced byflow separation
the bend radius requiredto preventflow separation
Does shock boundary layer leading to shock wavescausesflow separation
the diffuser angle ... large enoughto preventflow separation
The shock ... sufficiently strongto provokeflow separation
the inherent sub - optimum aerodynamic profile of the root region and the transition region(passive) being caused bythe flow separation
It adds momentum to the boundary layer of the flowto preventflow separation
the abrupt change in area of the square - edged entrance resulted in skewed ( distorted ) velocity profiles near the entrance(passive) caused byFlow separation
the bend may(passive) caused byflow separation
providing boundary layer controlto preventflow separation
the boundary layer of afterbody 102to preventflow separation thereabout
a short length and higher pressure gradientsmight provokethe flow separation
artist Tauba Auerbach(passive) designed byFlow Separation
Tauba Auerbach ... who was commissionedto createFlow Separation
Also , the aircraft industry has done much work in passive boundary layer controlto preventflow separation from occurring
air ... helpspreventflow separation
the energy ... helpsto preventflow separation
A 90 degree bend ... likelyto createflow separation
as it moves up the conepreventingflow separation
because the reflected shock is influenced by the viscositycausinglittle flow separation
shock wave forming on the upper surface of the wing as the aircraft approaches speed of sound(passive) caused byflow separation
Fagfellevurdert ) Components in ducts systemscreateflow separation
the rough surface , which decreases drag at that region of the cylinder(passive) caused byflow separation
2001 - 03 - 30 2001 - 06 - 28 Busjaeger Peter Surface of a rotor blade for wind millsto preventflow separation
stall explained abovecausesstall explained above
static stallcausingstatic stall
the wake drag(passive) caused bythe wake drag
the stall of the flow at the inletcausesthe stall of the flow at the inlet
to dynamic - stall ( DSleadingto dynamic - stall ( DS
a manazmentu Dynamic stall(passive) caused bya manazmentu Dynamic stall
both stall flutter and buffeting flutter(passive) caused byboth stall flutter and buffeting flutter
a small percentage of pressure drag(passive) caused bya small percentage of pressure drag
additional losses(passive) caused byadditional losses
in increased drag , particularly pressure dragcan often resultin increased drag , particularly pressure drag
to rotating stall and poor performanceleadingto rotating stall and poor performance
Vortex lift(passive) is caused byVortex lift
to a smaller wake , which in turn leads to less pressure dragleadsto a smaller wake , which in turn leads to less pressure drag
a large increase in drag , referred to as pressure dragalso causesa large increase in drag , referred to as pressure drag
to increased aerodynamic drag , stall and reduced system performanceoften leadsto increased aerodynamic drag , stall and reduced system performance
frictional dragcausesfrictional drag
to heavy drag lossescan leadto heavy drag losses
the lift force(passive) caused bythe lift force
the lift curve(passive) caused bythe lift curve
problematic liftcausedproblematic lift
the “ wake ” flow(passive) caused bythe “ wake ” flow
loss of lift and the pitching moment mμ falls off sharplycausesloss of lift and the pitching moment mμ falls off sharply
to stall , which is a limiting factor in wind turbine blade designmay leadto stall , which is a limiting factor in wind turbine blade design
cavitation , drag and irregular vortex actionscausedcavitation , drag and irregular vortex actions
to increase in drag and energy losses and so onleadsto increase in drag and energy losses and so on
to increased losses and reduced liftcan leadto increased losses and reduced lift
large additional dragcauseslarge additional drag
a reduction in the lift of the airfoilcausesa reduction in the lift of the airfoil
low maximum lift(passive) caused bylow maximum lift
in asignificant pressure lossresultingin asignificant pressure loss
in a significant pressure lossresultingin a significant pressure loss
erratic readings , for examplemay causeerratic readings , for example
the flow drag of the pore - scale structure(passive) is ... caused bythe flow drag of the pore - scale structure
significant pressure drop in the wake ... preventing pressure recovery and contributing to aerodynamic dragcausessignificant pressure drop in the wake ... preventing pressure recovery and contributing to aerodynamic drag
the aerodynamic stall leading to undesired dynamic or static loading statements with a decrease in the lift and an increase in drag for airfoils operating at low Reynolds number rangescan causethe aerodynamic stall leading to undesired dynamic or static loading statements with a decrease in the lift and an increase in drag for airfoils operating at low Reynolds number ranges
to an incipient spin and always results in reduced liftcould leadto an incipient spin and always results in reduced lift
excess drag and pressure drop in many products and systemscausesexcess drag and pressure drop in many products and systems
in massive drag and reduced coolingresultsin massive drag and reduced cooling
increase of the drag on bluff bodiescausesincrease of the drag on bluff bodies
excess drag and … Case Studycausesexcess drag and … Case Study