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Lift of Valve is the height to which the valve is lifted during operation for the flow of gases. Check FAQs
hmax=dp4cos(α)
hmax - Lift of Valve?dp - Diameter of Port?α - Valve Seat Angle?

Maximum Lift of Valve given Diameter of Port and Valve Seat Angle Example

With values
With units
Only example

Here is how the Maximum Lift of Valve given Diameter of Port and Valve Seat Angle equation looks like with Values.

Here is how the Maximum Lift of Valve given Diameter of Port and Valve Seat Angle equation looks like with Units.

Here is how the Maximum Lift of Valve given Diameter of Port and Valve Seat Angle equation looks like.

10.9991Edit=40Edit4cos(24.61Edit)
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Maximum Lift of Valve given Diameter of Port and Valve Seat Angle Solution

Follow our step by step solution on how to calculate Maximum Lift of Valve given Diameter of Port and Valve Seat Angle?

FIRST Step Consider the formula
hmax=dp4cos(α)
Next Step Substitute values of Variables
hmax=40mm4cos(24.61°)
Next Step Convert Units
hmax=0.04m4cos(0.4295rad)
Next Step Prepare to Evaluate
hmax=0.044cos(0.4295)
Next Step Evaluate
hmax=0.0109991224400306m
Next Step Convert to Output's Unit
hmax=10.9991224400306mm
LAST Step Rounding Answer
hmax=10.9991mm

Maximum Lift of Valve given Diameter of Port and Valve Seat Angle Formula Elements

Variables
Functions
Lift of Valve
Lift of Valve is the height to which the valve is lifted during operation for the flow of gases.
Symbol: hmax
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
Diameter of Port
Diameter of Port is the diameter of the opening of the port of an IC Engine.
Symbol: dp
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
Valve Seat Angle
Valve Seat Angle is the angle of the seat of a valve from the direction perpendicular to the valve length.
Symbol: α
Measurement: AngleUnit: °
Note: Value should be greater than 0.
cos
Cosine of an angle is the ratio of the side adjacent to the angle to the hypotenuse of the triangle.
Syntax: cos(Angle)

Other Formulas to find Lift of Valve

​Go Maximum Lift of Valve for Flat Headed Valves
hmax=dp4
​Go Lift of Engine Valve
hmax=P2k

Other formulas in Valve Lift category

​Go Diameter of Port given Maximum Lift of Valve
dp=4hmaxcos(α)
​Go Valve Seat Angle given Maximum Lift of Valve
α=arccos(dp4hmax)
​Go Force Required to Lift Engine Valve
P2=khmax

How to Evaluate Maximum Lift of Valve given Diameter of Port and Valve Seat Angle?

Maximum Lift of Valve given Diameter of Port and Valve Seat Angle evaluator uses Lift of Valve = Diameter of Port/(4*cos(Valve Seat Angle)) to evaluate the Lift of Valve, Maximum lift of valve given diameter of port and valve seat angle is the maximum height to which the valve is lifted during operation for the flow of gases. Lift of Valve is denoted by hmax symbol.

How to evaluate Maximum Lift of Valve given Diameter of Port and Valve Seat Angle using this online evaluator? To use this online evaluator for Maximum Lift of Valve given Diameter of Port and Valve Seat Angle, enter Diameter of Port (dp) & Valve Seat Angle (α) and hit the calculate button.

FAQs on Maximum Lift of Valve given Diameter of Port and Valve Seat Angle

What is the formula to find Maximum Lift of Valve given Diameter of Port and Valve Seat Angle?
The formula of Maximum Lift of Valve given Diameter of Port and Valve Seat Angle is expressed as Lift of Valve = Diameter of Port/(4*cos(Valve Seat Angle)). Here is an example- 14142.14 = 0.04/(4*cos(0.429525528915724)).
How to calculate Maximum Lift of Valve given Diameter of Port and Valve Seat Angle?
With Diameter of Port (dp) & Valve Seat Angle (α) we can find Maximum Lift of Valve given Diameter of Port and Valve Seat Angle using the formula - Lift of Valve = Diameter of Port/(4*cos(Valve Seat Angle)). This formula also uses Cosine (cos) function(s).
What are the other ways to Calculate Lift of Valve?
Here are the different ways to Calculate Lift of Valve-
  • Lift of Valve=Diameter of Port/4OpenImg
  • Lift of Valve=Force to Lift Engine Valve/Stiffness of Valve SpringOpenImg
Can the Maximum Lift of Valve given Diameter of Port and Valve Seat Angle be negative?
No, the Maximum Lift of Valve given Diameter of Port and Valve Seat Angle, measured in Length cannot be negative.
Which unit is used to measure Maximum Lift of Valve given Diameter of Port and Valve Seat Angle?
Maximum Lift of Valve given Diameter of Port and Valve Seat Angle is usually measured using the Millimeter[mm] for Length. Meter[mm], Kilometer[mm], Decimeter[mm] are the few other units in which Maximum Lift of Valve given Diameter of Port and Valve Seat Angle can be measured.
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