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Liquid Rocket Engine Design (Fundamentals and Calculations)
Rating: 3.7 out of 5(24 ratings)
83 students

Liquid Rocket Engine Design (Fundamentals and Calculations)

Complete guide for designing the Liquid Rocket Engine using mathematics by understanding the physics and engineering.
Created bySpacim Private Limited
Last updated 10/2022
English
English [Auto],

What you'll learn

  • A lot of math computations will go into the design of the LRE. By analyzing and comprehending the engineering, you will be able to compute all the derivations.
  • Learn fundamentals and calculations of liquid rocket engine.
  • Learn how to approach the design of liquid rocket engine.
  • Students are capable of comprehending the fundamentals of fluid dynamics and thermodynamics.
  • The design of rockets can be approached mathematically by students.
  • Students can calculate and design liquid rocket engine CAD models.

Course content

7 sections • 18 lectures • 43m total length

  • Welcome and Overview1:48

    Explore fundamentals and calculations of liquid rocket engine design, including thermodynamics and fluid dynamics. Develop specifications for engines like the Merlin 1D and model CAD designs with SolidWorks or Creo.

  • Theory of Rocketry2:24

    Analyze how propellant mass, flow rate, and feed systems drive thrust in liquid rocket engines, focusing on combustion chamber, throat, and nozzle, plus convergent/divergent flow and isentropic gas expansion.

  • Rocket Equation2:27

    Explore the rocket equation and delta-v calculation by analyzing mass loss, mass flow, and exhaust velocity, tracing its origins to Tsiolkovsky and its use in velocity change during fuel burn.

  • Liquid Rocket Engine Working1:22

    demonstrates how chemical rocket engines burn fuel and oxidizer in a precise o/f ratio to generate thrust via a superheated gas, using combustion chamber design and convergent-divergent nozzles.

  • Thrust Generation2:26

    Compute thrust from the momentum equation and mass flow rate, using ṁ v, while accounting for exit pressure, sea level versus vacuum, and nozzle length and flow effects.

Requirements

  • Basic tendency to understand the physics and engineering concepts is enough. You can learn everything about rocket engines right here.

Description

INTRODUCTION

This session will cover the thermodynamics and fluid dynamics of rocket engines and the fundamental operation of rocket engines will be addressed, along with the feed system and cooling techniques. The main topic of discussion is thermal expansion of rocket propellant.

Introduction to Liquid Rocket Engine – Propellant Choice – Feed System – Cooling Techniques – Thermal Expansion – Gas Flow in Thrust Chamber and Nozzles.

DESIGN EQUATION

We'll talk about the mathematical formulas for rocket engines in this session. The rocket nozzle's contour is calculated using equations, which is more crucial for designing a smooth flow of superheated gas inside the engine and other essential requirements.

Ejecting Velocity – Nozzle Shape Design – Nozzle Expansion Area Ratio – Combustion Chamber Design – Injector Design – Pressure Feed System – Turbo Pump Feed System.

MODELLING

In this lesson, we'll talk about the fundamentals of 3D modelling tools and how to use them with the appropriate software. Additionally, calculations will be made in this session, and students will design the rocket engine tube using their newly acquired 3D modelling skills and the calculations they have generated.

3D Modelling Tools – Design Requirements – NASA’s CEARUN – Design Calculations – 3D Modelling.

COURSE OUTCOMES

  • Students are capable of comprehending the fundamentals of fluid dynamics and thermodynamics.

  • The design of rockets can be approached mathematically by students.

  • Students can design CAD models.

Who this course is for:

  • Beginners in the aerospace industry seeking an opportunity to advance their knowledge of rocket engines to a professional level.

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