PDF-[READ]-Taming Liquid Hydrogen: The Centaur: Upper Stage Rocket, 1958-2002

During its maiden voyage in May 1962 a Centaur upper stage rocket mated to an At l a sb o o s t e r exploded 54 seconds after launch engulfing the rocket in a huge fireball In ve s t i g a t i o nre vealed that Centaurs light stainlesssteel tank had split open spilling its liquidhyd rogen fueld own its sides where the flame of the rocket exhaust immediately ignited it Coming less thana year after President Kennedy had made landing human beings on the Moon a national p r i o r i t y the loss of Centaur was regarded as a serious setback for the National Aeronautics and Space Administration NASA During the failure investigation Homer Newell Di rector of Space Sciences ruefully declared Taming liquid hydrogen to the point where expensive operational space missions can be committed to it has turned out to be more difficult than anyone supposed at the outset. Spring 2011: [F&S, Chapter 6]. Derivation of escape velocity: I. Q; What velocity, v, do I need to . just . escape the gravitational pull of. the planet? (the escape velocity).. A: Think about the energies involved!. :. Old, New, and Native Comedy. . What is . the crucial. defining feature that makes a Renaissance play a comedy?. A) lots of jokes. B) lots of slapstick. C) silly twists and turns in the plot. D) ends in marriage. End User Agreement . www.reading.ac.uk/centaur CentAUR Central Archive at the University of Reading Reading's research outputs online Research Atraitor Kerosene and O. 2. Must be pumped very fast and at a high pressure.. Pump turbines spin at 35,000 rpm, which is twice as fast as a jet engine.. Kerosene and O. 2. Temperature. The temp inside the combustion chamber has to be extreme in order to achieve maximum thrust.. *Black Hole Performance May Vary. Rocket engines are, on the one hand, so simple that you can build and fly your own model rockets very easily. On the other hand, rocket engines (and their fuel systems) are so complicated that only three countries have actually ever put people in orbit. We will look at rocket engines to understand how they work, as well as to understand some of the complexity surrounding them.. Diego Lopez. John Updike. *. Google. John Updike (1932-2009). Born in Reading Pennsylvania . Lived childhood in Shillington (fictional Ollinger), on the outskirts of Reading. Graduated summa cum laude from Harvard in 1954. © . Microsoft Encarta. Rocket Propulsion. F. . t. =. m. . v. So:. F = engine thrust. . t = time to burn fuel. m = mass of fuel burned. . v = exhaust gas velocity. Rocket Propulsion. F. . Solar Gas turbine Engine assemblies. Solar Centaur 40, T-4702 engine assembly. Zero hours with test report. See photo on next slide. Solar Centaur 40 T-4002 engine assembly zero hours with test report. Matthias Flittner. 1. , Robert Bauer. 1. ,. Amr . Rizk. 2. , . Stefan . Geißler. 3. , . Thomas . Zinner. 3. , . Martina . Zitterbart. 1. 1. Karlsruhe Institute . of. Technology, . 2. Technische . Universität Darmstadt, . Single Stage to Orbit Vehicle. This is a concept under development by Reaction Engines Limited for a single stage to orbit vehicle using a hypersonic precooled hybrid air-breathing rocket engine to go to LEO. .  *. Google. John Updike (1932-2009). Born in Reading Pennsylvania . Lived childhood in Shillington (fictional Ollinger), on the outskirts of Reading. Graduated summa cum laude from Harvard in 1954. Renowned novelist, poet, short story writer, art critic, and literary critic. During its maiden voyage in May 1962, a Centaur upper stage rocket, mated to an At l a sb o o s t e r, exploded 54 seconds after launch, engulfing the rocket in a huge fireball. In ve s t i g a t i o nre vealed that Centaur\'s light, stainless-steel tank had split open, spilling its liquid-hyd rogen fueld own its sides, where the flame of the rocket exhaust immediately ignited it. Coming less thana year after President Kennedy had made landing human beings on the Moon a national p r i o r i t y, the loss of Centaur was regarded as a serious setback for the National Aeronautics and Space Administration (NASA). During the failure investigation, Homer Newell, Di rector of Space Sciences, ruefully declared: Taming liquid hydrogen to the point where expensive oper-ational space missions can be committed to it has turned out to be more difficult than anyone supposed at the outset. Presented by: Michael Baldwin. 1. Paper co-authors: Ali Ghavami. 2. , S. Mostafa Ghiaasiaan. 2. , and Alok Majumdar. 3. 1: NASA MSFC, Huntsville, AL/Georgia Institute of Technology, Atlanta, GA 2: Georgia Institute of Technology, Atlanta, GA 3: NASA MSFC, Huntsville, AL.