3 edition of Space-based laser-driven MHD generator found in the catalog.
Space-based laser-driven MHD generator
by National Aeronautics and Space Administration, Langley Research Center, National Technical Information Service, distributor in Hampton, Va, [Springfield, Va
Written in English
|Other titles||Space based laser driven MHD generator|
|Series||NASA contractor report -- 178184, NASA contractor report -- NASA CR-178184|
|Contributions||Langley Research Center|
|The Physical Object|
The idea of extracting electric energy using a magnetohydrodynamic (MHD) generator arranged onboard space capsule is considered. For the conditions at one point on the trajectory of Stardust (NASA space probe) mission, it is numerically demonstrated that an electric power of about 3 MW can be gained by the proposed MHD generator, which amounts to abut 5% of the total enthalpy Cited by: 3. Blog. 10 April Prezi’s Staff Picks: Remote work advice from the largest all-remote company; 9 April Environmental education resources to commemorate Earth Day’s 50th anniversary.
The performance of a pulsed-heat-source, high-temperature inert gas MHD electrical power generator, which is a candidate space-based laser-to-electrical power converter, is examined by time. Numerical Simulation on Power Generating Characteristics of a Pulsed-Laser-Driven MHD Generator IEEJ Transactions on Fundamentals and Materials, Vol. , No. 6 Plasma Behavior in a High Temperature Inert Gas Plasma Disk-shaped MHD Power GeneratorCited by:
A laser-induced magnetohydrodynamic (MHD) electric generator, in which the working gas medium is the gas of a gas laser. The coherent light generated by this gas laser is used for ionizing the gas medium circulated in closed cycle by a compressor through the magnetic gap of the generator, to produce electricity. A high specific power output ( MW/kg/sec) MHD generator at the kilowatt output level was designed and built for cyanogen-oxygen operation. The design of the generator is described, as are the modifications to the AERL Mark II facility which were required in order to test the generator.
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(ref. 16). The concept of a laser-driven MHD gen- erator, however, is conceivable only in a space-based laser energy-conversion system, since one must con- sider both power transmission as well as conversion.
The laser-driven MHD converter offers high system efficiency, high power density, and closed-cycle oper- Size: KB. Get this from a library. Space-based laser-driven MHD generator: feasibility study. [Sang H Choi; Langley Research Center.].
SPACE-BASED LASER-DRIVEN MHD GENEMTOK: FEASIBILITY STUDY Space-based laser-driven MHD generator book. Choi Information & Control Systems, Inc. SUMMARY The feasibility of a laser-driven MHD generator, as a candidate receiver for a space-based laser power transmission system, was investigated.
An extensive literature search of research on MHD generators and laser-File Size: 1MB. mhd generator Download mhd generator or read online here in PDF or EPUB.
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Mhd Power Generation. The feasibility of a laser-driven MHD generator, as a candidate receiver for a space-based laser power transmission system, was investigated. On the basis of reasonable parameters obtained in the literature, a model of the laser-driven MHD generator was developed with the assumptions of a steady, turbulent, two-dimensional : S.
Choi. Yes, Space Based Laser Platforms Are Real Aug Way back in April of we took a look at the emerging technology of laser weapons in space, primarily to take out “enemy” satellites, and possibly to strike targets on the surface of the g: MHD generator.
An MHD generator produces a direct current output which needs an expensive high power inverter to convert the output into alternating current for connection to the grid. Efficiency Typical efficiencies of MHD generators are around 10 to 20 percent mainly due to the heat lost through the high temperature exhaust.
The magnetohydrodynamic power generator is a device that generates electric power by means of the interaction of a moving fluid (usually a ionized gas or plasma) and a magnetic field.
As all direct conversion processes the MHD generators can also convert thermal energy directly into. The MHD generation or, also known as magneto hydrodynamic power generation is a direct energy conversion system which converts the heat energy directly into electrical energy, without any intermediate mechanical energy conversion, as opposed to the case in all other power generating plants.
Therefore, in this process, substantial fuel economy can be achieved due to the elimination of. 4 1 Lasers: Fundamentals, Types, and Operations N N E 0 E E 1 E 3 E 0 E E 1 2 Fast decay Fast decay Fast decay Pumping Pumping Lasing Lasing (a) (b) Figure Energy level diagram for (a) three- and (b) four level laser systems.
N 1 to achieve the condition of population inversion between E 2 and E 1 at moderate pumping. Threshold Gain Coefﬁcient for Lasing Laser beam undergoes File Size: KB.
The present paper describes high-density magnetohydrodynamic (MHD) energy conversion in a high-temperature seed-free argon plasma, for which a quasi-three-dimensional numerical simulation and a single-pulse shock-tunnel-based demonstration are conducted. The numerical model simulates the two-dimensional profiles of both the electron and the heavy-particle system of the supersonic argon Cited by: Abstract.
A T, m bore, liquid-nitrogen-cooled, long pulse solenoid has been designed and is now under construction. The magnet will be a part of a ground-based test and demonstration facility for a single-sided, disk MHD generator system under development by TRW for multimegawatt, space-based power : P.
Marston, J. Hale, A. Dawson, A. Zhukovsky. Magneto hydro dynamic (mhd) power generation 1. Presented By H KUMAR 1 2.
INTRODUCTION MHD power generation is a direct energy conversion,which converts the Heat Energy directly into Electrical Energy without any intermediate Mechanical Energy conversion. Magneto Hydro Dynamic (MHD) or Hydro dynamics is the Academic Discipline which studies the Dynamics of.
American Institute of Aeronautics and Astronautics Sunrise Valley Drive, Suite Reston, VA Hi friends, In this article, I am going to discuss the MHD generator working principle and mhd power I will provide you some basic information about it.
A Magneto Hydrodynamic Generator is a device which converts heat energy of a fuel directly into electrical energy without a conventional electric generator.
DISC MHD GENERATOR Presently, the most efficient MHD generator design is the Hall Effect disc generator design. It holds the efficiency and energy density rec-ords for MHD generation.
It is in form of disc and a duct wrapped around the edge. The magnetic excitation field is made by a pair of circular Helmholtz coils above and below the Size: KB. The pulsed MHD generator Khibiny () was designed for geophysical research and used for feeding a huge current loop in sea water around the Rybachy peninsula in the Barenz Sea.
MHD electrical power generators have prospective uses in advanced high temperature energy production cycles and high energy pulsed electrical sources. MHD GENERATOR 1.
MHD GENERATOR By Anil Babu 2. PH Unit-5 Lecture -5 2 Introduction Lorentz force law Fraday’s law Principle, construction and working of Magneto hydrodynamic generator (MHD) Advantages, disadvantages and applications PH UNIT-5. By integrating CSP with the MHD generator as a topping mechanism we gain a synergism that no other power generator to date possesses.
Furthermore by using the high-temperature exhaust plasma to drive a closed-Brayton cycle turbine electricity generator thereafter, we gain additional power output that further amplifies the efficiency of the. A magnetohydrodynamic generator (MHD generator) is a magnetohydrodynamic converter that utilizes a Brayton cycle to transform thermal energy and kinetic energy directly into generators are different from traditional electric generators in that they operate without moving parts (e.g.
no turbine) to limit the upper temperature. They therefore have the highest known theoretical. The test strengthens the nation's technological foundation for a future Space-Based Laser (SBL) missile defense system.
The 5-second, full duration test -- the 12th test since Alpha was first fired in -- was performed on Sept. 18 at TRW's Capistrano Test Site near San Clemente, Calif. It marks the first time that the Alpha laser has been Missing: MHD generator.SPACE BASED LASER INTEGRATED FLIGHT EXPERIMENT The U.S.
Air Force contracted with an industry joint venture on Febru for the Space Based Laser Integrated Flight Experiment (SBL IFX).
The award constitutes the first increment of a Cost Plus Award Fee/Cost Plus Fixed Fee contract valued at approximately $ billion once g: MHD generator.use of MHD generator's concept in power generation will lead the power sector to increase the efficiency to approx%,specially for thermal power plants whose efficiency lies in %.
as we are.