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Richard K Cohn


Click on the titles below to find US government-authored or -collected reports written by Richard K Cohn

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Liquid Propulsion: Historical Overview, Fundamentals and Classifications of Liquid Rocket Engines Dec 2009
Authors:  Eun S Kim; Richard K Cohn; Jeffery L Emdee; AIR FORCE RESEARCH LAB EDWARDS AFB CA PROPULSION DIRECTORATE
The full text of this report is not available and therefore is not for sale. This information is provided for reference purposes only.Over the course of the history of today's rockets, liquid rocket engines have been used as primary propulsion for most space launch vehicles and early ballistic missiles. The basic idea of modern liquid rocket propulsion was first published in 1903. In the early 1900s, various design concepts were introduced, built and tested to explore the feasibility of liquid propulsion technology. The first successful flight with a liquid-propellant sounding rocket was ...


Liquid Propulsion: Thrust Chamber Design 17 Nov 2009
Authors:  Richard K Cohn; AIR FORCE RESEARCH LAB EDWARDS AFB CA LIQUID ROCKET ENGINES BRANCH (AFRL/PRSE)
The full text of this report is not available and therefore is not for sale. This information is provided for reference purposes only.The main thrust chamber and nozzle are highly recognized components of a rocket engine. When one thinks of a rocket engine, the first item that comes to mind is typically the exhaust plume leaving the main thrust chamber and nozzle of the rocket. The main thrust chamber and nozzle serve the critical purpose of converting the chemical energy stored in the propellants into the kinetic energy required to generate the ...


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