Category Archives: Space Flight

Gravitational Assist

  Interplanetary flight:  1) Introduction 2) Heliocentric Transfer Orbit 3) The Gauss Problem 4) Determining Orbital Elements 5) Hyperbolic Departure and Approach 6) Gravitational Assist   In planning certain types of trajectories of spacecraft within the solar system, engineers rely on a technique called gravitational assist … Continue reading

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The Gauss Problem

  Interplanetary flight:  1) Introduction 2) Heliocentric Transfer Orbit 3) The Gauss Problem 4) Determining Orbital Elements 5) Hyperbolic Departure and Approach 6) Gravitational Assist   On New Year’s Day 1801, Giuseppe Piazzi of Italy observed for the first time an object that turned out to … Continue reading

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Heliocentric Transfer Orbit

  Interplanetary flight:  1) Introduction 2) Heliocentric Transfer Orbit 3) The Gauss Problem 4) Determining Orbital Elements 5) Hyperbolic Departure and Approach 6) Gravitational Assist   For transfers to most of the planets, we may initially consider that the planetary orbits are both circular and coplanar. … Continue reading

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Interplanetary Flight – Introduction

  Interplanetary flight:  1) Introduction 2) Heliocentric Transfer Orbit 3) The Gauss Problem 4) Determining Orbital Elements 5) Hyperbolic Departure and Approach 6) Gravitational Assist   An interplanetary spacecraft spends most of its flight time moving under the gravitational influence of a single body – the … Continue reading

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Staging

Rocket Propulsion: – Thrust – Conservation of Momentum – Impulse & Momentum – Combustion & Exhaust Velocity – Specific Impulse – Rocket Engines – Power Cycles – Engine Cooling – Solid Rocket Motors – Monopropellant Engines – Staging A multi stage rocket is a rocket with two or more stages, each … Continue reading

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Monopropellant Engines

Rocket Propulsion: – Thrust – Conservation of Momentum – Impulse & Momentum – Combustion & Exhaust Velocity – Specific Impulse – Rocket Engines – Power Cycles – Engine Cooling – Solid Rocket Motors – Monopropellant Engines – Staging . By far the most widely used type of propulsion for spacecraft attitude … Continue reading

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Solid Rocket Motors

 Rocket Propulsion: – Thrust – Conservation of Momentum – Impulse & Momentum – Combustion & Exhaust Velocity – Specific Impulse – Rocket Engines – Power Cycles – Engine Cooling – Solid Rocket Motors – Monopropellant Engines – Staging   Solid rockets motors store propellants in solid form. The fuel is typically … Continue reading

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Engine Cooling

Rocket Propulsion: – Thrust – Conservation of Momentum – Impulse & Momentum – Combustion & Exhaust Velocity – Specific Impulse – Rocket Engines – Power Cycles – Engine Cooling – Solid Rocket Motors – Monopropellant Engines – Staging   The heat created during combustion in a rocket engine is contained within … Continue reading

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Power Cycles

Rocket Propulsion: – Thrust – Conservation of Momentum – Impulse & Momentum – Combustion & Exhaust Velocity – Specific Impulse – Rocket Engines – Power Cycles – Engine Cooling – Solid Rocket Motors – Monopropellant Engines – Staging   Liquid bipropellant rocket engines can be categorized according to their power cycles, … Continue reading

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Rocket Engines

 Rocket Propulsion: – Thrust – Conservation of Momentum – Impulse & Momentum – Combustion & Exhaust Velocity – Specific Impulse – Rocket Engines – Power Cycles – Engine Cooling – Solid Rocket Motors – Monopropellant Engines – Staging       A typical rocket engine consists of the nozzle, the combustion … Continue reading

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