Structural Mass Fraction Calculator

✖Structural Mass is the mass of the rocket's structure, including tanks, engines, guidance systems, and other hardware.ⓘ Structural Mass [m_s]			+10% -10%
✖Propellant Mass refers to the total mass of propellant used in a propulsion system.ⓘ Propellant Mass [m_p]			+10% -10%

✖Structural Mass Fraction quantify the proportion of the rocket's total mass attributed to its structure.ⓘ Structural Mass Fraction [σ]

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Structural Mass Fraction Solution

STEP 0: Pre-Calculation Summary

Formula Used

Structural Mass Fraction = Structural Mass/(Propellant Mass+Structural Mass)
σ = m_s/(m_p+m_s)
This formula uses 3 Variables

Variables Used

Structural Mass Fraction - Structural Mass Fraction quantify the proportion of the rocket's total mass attributed to its structure.
Structural Mass - (Measured in Kilogram) - Structural Mass is the mass of the rocket's structure, including tanks, engines, guidance systems, and other hardware.
Propellant Mass - (Measured in Kilogram) - Propellant Mass refers to the total mass of propellant used in a propulsion system.

STEP 1: Convert Input(s) to Base Unit

Structural Mass: 44 Kilogram --> 44 Kilogram No Conversion Required
Propellant Mass: 13 Kilogram --> 13 Kilogram No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

σ = m_s/(m_p+m_s) --> 44/(13+44)

Evaluating ... ...

σ = 0.771929824561403

STEP 3: Convert Result to Output's Unit

0.771929824561403 --> No Conversion Required

FINAL ANSWER

0.771929824561403 ≈ 0.77193 <-- Structural Mass Fraction

(Calculation completed in 00.020 seconds)

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Home » Physics » Propulsion » Rocket Propulsion » Aerospace » Theory Of Rockets » Structural Mass Fraction

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Created by LOKESH

Sri Ramakrishna Engineering College (SREC), COIMBATORE

LOKESH has created this Calculator and 25+ more calculators!

Verified by Harsh Raj

Indian Institute of Technology, Kharagpur (IIT KGP), West Bengal

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Velocity Increment of Rocket

LaTeX Go Velocity Increment of Rocket = Jet Velocity*ln(Initial Mass of Rocket/Final Mass of Rocket)

Structural Mass Fraction

LaTeX Go Structural Mass Fraction = Structural Mass/(Propellant Mass+Structural Mass)

Structural Mass Fraction Formula

LaTeX Go

Structural Mass Fraction = Structural Mass/(Propellant Mass+Structural Mass)
σ = m_s/(m_p+m_s)

What is Structural Mass ?

The structural mass is a critical aspect of rocket design, as it directly impacts the overall mass of the rocket and its performance characteristics. Engineers strive to minimize the structural mass while ensuring that the rocket remains structurally sound and capable of withstanding the forces and loads experienced during launch and flight. Achieving an optimal balance between structural mass, propulsion efficiency, and payload capacity is essential for the success of a rocket mission.

How to Calculate Structural Mass Fraction?

Structural Mass Fraction calculator uses Structural Mass Fraction = Structural Mass/(Propellant Mass+Structural Mass) to calculate the Structural Mass Fraction, Structural Mass Fraction is a parameter used in rocket engineering to quantify the proportion of a rocket's total mass attributed to its structure relative to the total mass of the structure plus the propellant, it is defined as the ratio of the structural mass to the sum of the structural mass and the propellant mass. Structural Mass Fraction is denoted by σ symbol.

How to calculate Structural Mass Fraction using this online calculator? To use this online calculator for Structural Mass Fraction, enter Structural Mass (m_s) & Propellant Mass (m_p) and hit the calculate button. Here is how the Structural Mass Fraction calculation can be explained with given input values -> 0.77193 = 44/(13+44).

FAQ

What is Structural Mass Fraction?

Structural Mass Fraction is a parameter used in rocket engineering to quantify the proportion of a rocket's total mass attributed to its structure relative to the total mass of the structure plus the propellant, it is defined as the ratio of the structural mass to the sum of the structural mass and the propellant mass and is represented as σ = m_s/(m_p+m_s) or Structural Mass Fraction = Structural Mass/(Propellant Mass+Structural Mass). Structural Mass is the mass of the rocket's structure, including tanks, engines, guidance systems, and other hardware & Propellant Mass refers to the total mass of propellant used in a propulsion system.

How to calculate Structural Mass Fraction?

Structural Mass Fraction is a parameter used in rocket engineering to quantify the proportion of a rocket's total mass attributed to its structure relative to the total mass of the structure plus the propellant, it is defined as the ratio of the structural mass to the sum of the structural mass and the propellant mass is calculated using Structural Mass Fraction = Structural Mass/(Propellant Mass+Structural Mass). To calculate Structural Mass Fraction, you need Structural Mass (m_s) & Propellant Mass (m_p). With our tool, you need to enter the respective value for Structural Mass & Propellant Mass and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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