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Propellant Mixture Ratio Formula

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Propellant Mixture Ratio defines the ratio of oxidizer mass to fuel mass in a rocket engine's propellant mixture. Check FAQs

r = \frac{ṁ o}{ṁ f}

r - Propellant Mixture Ratio?ṁ_o - Oxidizer Mass Flow Rate?ṁ_f - Fuel Mass Flow Rate?

Propellant Mixture Ratio Example

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Here is how the Propellant Mixture Ratio equation looks like with Values.

Here is how the Propellant Mixture Ratio equation looks like with Units.

Here is how the Propellant Mixture Ratio equation looks like.

2.439 = \frac{10}{4.1}

2.439 = \frac{10kg/s}{4.1kg/s}

2.439 = \frac{10}{4.1}

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Propellant Mixture Ratio Solution

Follow our step by step solution on how to calculate Propellant Mixture Ratio?

FIRST Step Consider the formula

r = \frac{ṁ o}{ṁ f}

Next Step Substitute values of Variables

∴

r = \frac{10kg/s}{4.1kg/s}

Next Step Prepare to Evaluate

∴

r = \frac{10}{4.1}

Next Step Evaluate

∴

r = 2.4390243902439

LAST Step Rounding Answer

∴

r = 2.439

Propellant Mixture Ratio Formula Elements

Variables

Propellant Mixture Ratio

Propellant Mixture Ratio defines the ratio of oxidizer mass to fuel mass in a rocket engine's propellant mixture.

Symbol: r

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Propellant Mixture Ratio

Oxidizer Mass Flow Rate

The oxidizer mass flow rate in a rocket engine refers to the rate at which oxidizer (such as liquid oxygen) is consumed or expelled from the engine.

Symbol: ṁ_o

Measurement: Mass Flow RateUnit: kg/s

Note: Value should be greater than 0.

Formulas to find Oxidizer Mass Flow Rate

Fuel Mass Flow Rate

Fuel Mass Flow Rate The fuel mass flow rate in a rocket engine refers to the rate at which fuel (such as liquid hydrogen, RP-1, or others) is consumed or expelled from the engine.

Symbol: ṁ_f

Measurement: Mass Flow RateUnit: kg/s

Note: Value should be greater than 0.

Formulas to find Fuel Mass Flow Rate

Other formulas in Propellents category

Go Propellant Mass Flow Rate

ṁ = (A t \cdot P 1 \cdot γ) \cdot \frac{\sqrt{{(\frac{2}{γ + 1})}^{\frac{γ + 1}{γ - 1}}}}{\sqrt{γ \cdot [R] \cdot T 1}}

Go Oxidizer Mass Flow Rate

ṁ o = \frac{r \cdot ṁ}{r + 1}

Go Fuel Mass Flow rate

ṁ f = \frac{ṁ}{r + 1}

How to Evaluate Propellant Mixture Ratio?

Propellant Mixture Ratio evaluator uses Propellant Mixture Ratio = Oxidizer Mass Flow Rate/Fuel Mass Flow Rate to evaluate the Propellant Mixture Ratio, The propellant mixture ratio is a fundamental parameter that represents the ratio of the oxidizer mass flow rate to the fuel mass flow rate in a rocket engine's propellant mixture, it directly affects combustion efficiency, specific impulse, thrust, and other performance parameters. Propellant Mixture Ratio is denoted by r symbol.

How to evaluate Propellant Mixture Ratio using this online evaluator? To use this online evaluator for Propellant Mixture Ratio, enter Oxidizer Mass Flow Rate (ṁ_o) & Fuel Mass Flow Rate (ṁ_f) and hit the calculate button.

FAQs on Propellant Mixture Ratio

What is the formula to find Propellant Mixture Ratio?

The formula of Propellant Mixture Ratio is expressed as Propellant Mixture Ratio = Oxidizer Mass Flow Rate/Fuel Mass Flow Rate. Here is an example- 2.439024 = 10/4.1.

How to calculate Propellant Mixture Ratio?

With Oxidizer Mass Flow Rate (ṁ_o) & Fuel Mass Flow Rate (ṁ_f) we can find Propellant Mixture Ratio using the formula - Propellant Mixture Ratio = Oxidizer Mass Flow Rate/Fuel Mass Flow Rate.

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Propellant Mixture Ratio Formula

Propellant Mixture Ratio Example

Propellant Mixture Ratio Solution

Propellant Mixture Ratio Formula Elements

Other formulas in Propellents category

How to Evaluate Propellant Mixture Ratio?

FAQs on Propellant Mixture Ratio

Variable Name