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Specific Fuel Consumption given Preliminary Endurance for Jet Aircraft Formula

GoSpecific Fuel Consumption given Range for Jet Aircraft Formula

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Specific Fuel Consumption is a characteristic of the engine and defined as the weight of fuel consumed per unit power per unit time. Check FAQs

c = \frac{LDmax ratio \cdot \ln (\frac{W L,beg}{W L,end})}{E}

c - Specific Fuel Consumption?LDmax_ratio - Maximum Lift-to-Drag Ratio?W_L,beg - Weight at Start of Loiter Phase?W_L,end - Weight at End of Loiter Phase?E - Endurance of Aircraft?

Specific Fuel Consumption given Preliminary Endurance for Jet Aircraft Example

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Here is how the Specific Fuel Consumption given Preliminary Endurance for Jet Aircraft equation looks like with Values.

Here is how the Specific Fuel Consumption given Preliminary Endurance for Jet Aircraft equation looks like with Units.

Here is how the Specific Fuel Consumption given Preliminary Endurance for Jet Aircraft equation looks like.

0.6013 = \frac{5.0815 \cdot \ln (\frac{400}{394.1})}{452.0581}

0.6013kg/h/W = \frac{5.0815 \cdot \ln (\frac{400kg}{394.1kg})}{452.0581s}

0.6013 = \frac{5.0815 \cdot \ln (\frac{400}{394.1})}{452.0581}

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Specific Fuel Consumption given Preliminary Endurance for Jet Aircraft Solution

Follow our step by step solution on how to calculate Specific Fuel Consumption given Preliminary Endurance for Jet Aircraft?

FIRST Step Consider the formula

c = \frac{LDmax ratio \cdot \ln (\frac{W L,beg}{W L,end})}{E}

Next Step Substitute values of Variables

∴

c = \frac{5.0815 \cdot \ln (\frac{400kg}{394.1kg})}{452.0581s}

Next Step Prepare to Evaluate

∴

c = \frac{5.0815 \cdot \ln (\frac{400}{394.1})}{452.0581}

Next Step Evaluate

∴

c = 0.000167037809030169kg/s/W

Next Step Convert to Output's Unit

∴

c = 0.601336112508609kg/h/W

LAST Step Rounding Answer

∴

c = 0.6013kg/h/W

Specific Fuel Consumption given Preliminary Endurance for Jet Aircraft Formula Elements

Variables

Functions

Specific Fuel Consumption

Specific Fuel Consumption is a characteristic of the engine and defined as the weight of fuel consumed per unit power per unit time.

Symbol: c

Measurement: Specific Fuel ConsumptionUnit: kg/h/W

Note: Value should be greater than 0.

Formulas to find Specific Fuel Consumption

Maximum Lift-to-Drag Ratio

The Maximum Lift-to-Drag Ratio is the highest ratio of lift force to drag force that an aircraft can achieve.

Symbol: LDmax_ratio

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Maximum Lift-to-Drag Ratio

Weight at Start of Loiter Phase

Weight at Start of Loiter Phase is considered as the weight of the plane just before going to loiter phase.

Symbol: W_L,beg

Measurement: WeightUnit: kg

Note: Value should be greater than 0.

Formulas to find Weight at Start of Loiter Phase

Weight at End of Loiter Phase

The Weight at End of Loiter Phase refers to the aircraft's mass after completing a period of flying at a predetermined location or holding pattern.

Symbol: W_L,end

Measurement: WeightUnit: kg

Note: Value should be greater than 0.

Formulas to find Weight at End of Loiter Phase

Endurance of Aircraft

Endurance of Aircraft is the maximum length of time that an aircraft can spend in cruising flight.

Symbol: E

Measurement: TimeUnit: s

Note: Value should be greater than 0.

Formulas to find Endurance of Aircraft

The natural logarithm, also known as the logarithm to the base e, is the inverse function of the natural exponential function.

Syntax: ln(Number)

Other Formulas to find Specific Fuel Consumption

Go Specific Fuel Consumption given Range for Jet Aircraft

c = \frac{V L/D,max \cdot LDmax ratio \cdot \ln (\frac{W i}{W f})}{R jet}

Other formulas in Jet Airplane category

Go Endurance of Jet Airplane

E = C L \cdot \frac{\ln (\frac{W 0}{W 1})}{C D \cdot c t}

Go Thrust-Specific Fuel Consumption for given Endurance of Jet Airplane

c t = C L \cdot \frac{\ln (\frac{W 0}{W 1})}{C D \cdot E}

Go Endurance for given Lift-to-Drag Ratio of Jet Airplane

E = (\frac{1}{c t}) \cdot LD \cdot \ln (\frac{W 0}{W 1})

Go Thrust-Specific Fuel Consumption for given Endurance and Lift-to-Drag Ratio of Jet Airplane

c t = (\frac{1}{E}) \cdot LD \cdot \ln (\frac{W 0}{W 1})

How to Evaluate Specific Fuel Consumption given Preliminary Endurance for Jet Aircraft?

Specific Fuel Consumption given Preliminary Endurance for Jet Aircraft evaluator uses Specific Fuel Consumption = (Maximum Lift-to-Drag Ratio*ln(Weight at Start of Loiter Phase/Weight at End of Loiter Phase))/Endurance of Aircraft to evaluate the Specific Fuel Consumption, Specific Fuel Consumption given Preliminary Endurance for Jet Aircraft is a measure of the rate at which fuel is consumed by an aircraft during a specific flight duration, taking into account the maximum lift-to-drag ratio, the weight of the aircraft at the beginning and end of loiter, and the total endurance time, this calculation is essential in jet aircraft design and operation to optimize fuel efficiency and reduce operating costs. Specific Fuel Consumption is denoted by c symbol.

How to evaluate Specific Fuel Consumption given Preliminary Endurance for Jet Aircraft using this online evaluator? To use this online evaluator for Specific Fuel Consumption given Preliminary Endurance for Jet Aircraft, enter Maximum Lift-to-Drag Ratio (LDmax_ratio), Weight at Start of Loiter Phase (W_L,beg), Weight at End of Loiter Phase (W_L,end) & Endurance of Aircraft (E) and hit the calculate button.

FAQs on Specific Fuel Consumption given Preliminary Endurance for Jet Aircraft

What is the formula to find Specific Fuel Consumption given Preliminary Endurance for Jet Aircraft?

The formula of Specific Fuel Consumption given Preliminary Endurance for Jet Aircraft is expressed as Specific Fuel Consumption = (Maximum Lift-to-Drag Ratio*ln(Weight at Start of Loiter Phase/Weight at End of Loiter Phase))/Endurance of Aircraft. Here is an example- 2165.088 = (5.081527*ln(400/394.1))/452.0581.

How to calculate Specific Fuel Consumption given Preliminary Endurance for Jet Aircraft?

With Maximum Lift-to-Drag Ratio (LDmax_ratio), Weight at Start of Loiter Phase (W_L,beg), Weight at End of Loiter Phase (W_L,end) & Endurance of Aircraft (E) we can find Specific Fuel Consumption given Preliminary Endurance for Jet Aircraft using the formula - Specific Fuel Consumption = (Maximum Lift-to-Drag Ratio*ln(Weight at Start of Loiter Phase/Weight at End of Loiter Phase))/Endurance of Aircraft. This formula also uses Natural Logarithm Function function(s).

What are the other ways to Calculate Specific Fuel Consumption?

Here are the different ways to Calculate Specific Fuel Consumption-

Specific Fuel Consumption=(Velocity at Maximum Lift to Drag Ratio*Maximum Lift-to-Drag Ratio*ln(Weight at Start of Cruise Phase/Weight at End of Cruise Phase))/Range of Jet Aircraft

Can the Specific Fuel Consumption given Preliminary Endurance for Jet Aircraft be negative?

No, the Specific Fuel Consumption given Preliminary Endurance for Jet Aircraft, measured in Specific Fuel Consumption cannot be negative.

Which unit is used to measure Specific Fuel Consumption given Preliminary Endurance for Jet Aircraft?

Specific Fuel Consumption given Preliminary Endurance for Jet Aircraft is usually measured using the Kilogram per Hour per Watt[kg/h/W] for Specific Fuel Consumption. Kilogram per Second per Watt[kg/h/W], Kilogram per Second per Brake horsepower[kg/h/W], Kilogram per Hour per Kilowatt[kg/h/W] are the few other units in which Specific Fuel Consumption given Preliminary Endurance for Jet Aircraft can be measured.

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Specific Fuel Consumption given Preliminary Endurance for Jet Aircraft Formula

​GoSpecific Fuel Consumption given Range for Jet Aircraft Formula

Specific Fuel Consumption given Preliminary Endurance for Jet Aircraft Example

Specific Fuel Consumption given Preliminary Endurance for Jet Aircraft Solution

Specific Fuel Consumption given Preliminary Endurance for Jet Aircraft Formula Elements

Other Formulas to find Specific Fuel Consumption

Other formulas in Jet Airplane category

How to Evaluate Specific Fuel Consumption given Preliminary Endurance for Jet Aircraft?

FAQs on Specific Fuel Consumption given Preliminary Endurance for Jet Aircraft

Variable Name

GoSpecific Fuel Consumption given Range for Jet Aircraft Formula