Injection Pressure in IC Engine Formulas

Injection pressure is defined as the pressure of the fuel at intake of fuel injector in pascals. And is denoted by P₁. Injection Pressure is usually measured using the Pascal for Pressure. Note that the value of Injection Pressure is always positive.

IC Engine formulas that make use of Injection Pressure

fxFuel Velocity at Time of Release into Engine CylinderGo

fxActual Fuel Velocity of Injection Considering Orifice Flow CoefficientGo

FAQ

What is the Injection Pressure?

Injection pressure is defined as the pressure of the fuel at intake of fuel injector in pascals. Injection Pressure is usually measured using the Pascal for Pressure. Note that the value of Injection Pressure is always positive.

Can the Injection Pressure be negative?

No, the Injection Pressure, measured in Pressure cannot be negative.

What unit is used to measure Injection Pressure?

Injection Pressure is usually measured using the Pascal[Pa] for Pressure. Kilopascal[Pa], Bar[Pa], Pound Per Square Inch[Pa] are the few other units in which Injection Pressure can be measured.

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