lecture_1Manuel Martinez-Sanchez

lecture_1Manuel Martinez-Sanchez - 16.512, Rocket...

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16.512, Rocket Propulsion Prof. Manuel Martinez-Sanchez Lecture 1: Introduction Types of Rockets (Engines) - Depending on gas acceleration mechanism/force on vehicle mechanism . “Thermal” Gas pushes directly on walls by P (pressure) forces Nozzle accelerates gas by P forces (most large rockets, chem, nuclear, some electric…) Electrostatic Ions accelerated by JG E field (a) Electrostatic force (push) on electrodes ( I o n e n g i n e s ) (b) Force (push) on magnetic coils through gas j G ( H a l l t h r u s t e r s ) Electromagnetic Gas accelerated by × G j B forces Force (push) on coils or conductors ( M P D t h r u s t e r s , P P T s ) 16.512 concentrates on Thermal - Depending on energy source : S o l i d P r o p e l l a n t Chemical (always “thermal”) Liquid Propellant Monopropellant B i p r o p e l l a n t H y b r i d Nuclear (Thermal) Nuclear (Electric) can be Thermal, ES or EM Solar (Thermal) Solar (Electric) can be Thermal, ES or EM 16.512 deals mostly with Chemical.
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This note was uploaded on 11/07/2011 for the course AERO 16.512 taught by Professor Manuelmartinez-sanchez during the Fall '05 term at MIT.

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lecture_1Manuel Martinez-Sanchez - 16.512, Rocket...

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