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Saturday, May 9, 2020 | History

3 edition of Propulsion options for primary thrust and attitude control of microspacecraft found in the catalog.

Propulsion options for primary thrust and attitude control of microspacecraft

Propulsion options for primary thrust and attitude control of microspacecraft

prepared under contract NAS3-27186

  • 291 Want to read
  • 17 Currently reading

Published by National Aeronautics and Space Administration, Lewis Research Center, National Technical Information Service, distributor in [Cleveland, Ohio], [Springfield, Va .
Written in English

    Subjects:
  • Propulsion.,
  • Attitude control.,
  • Miniaturization.,
  • Spacecraft components.,
  • Spacecraft control.,
  • Spacecraft design.,
  • Cost reduction.

  • Edition Notes

    StatementW.A. de Groot.
    Series[NASA contractor report] -- NASA/CR-1998-206608., NASA contractor report -- NASA CR-206608.
    ContributionsLewis Research Center.
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL15507684M

    The FEEP MPS is composed of 3 Micro-Propulsion Assemblies (MPA), each comprising: • One Power Control Unit (PCU) each commanding/controlling 4 thrusters • One LPF Neutralizer Assembly with 2 units (1 is in cold redundancy) • One FEEP Cluster Assembly (FCA) hosting 4 FEEP thrusters; each thruster is. aircraft propulsion[′er‚kraft prə‚pəlshən] (aerospace engineering) The means, other than gliding, whereby an aircraft moves through the air; effected by the rearward acceleration of matter through the use of a jet engine or by the reactive thrust of air on a propeller. Aircraft propulsion Flying machines obtain their propulsion by the.

    White Paper Integrated Flight Propulsion Control System Operation of primary flight control surfaces changes the airflow and pressure distribution over and around the airfoil. These changes directly affect the lift and drag produced by control surface combination, and allows a pilot to control the aircraft about its three axes of rotation. American interest in "gravity control propulsion research" intensified during the early ture from that period used the terms anti-gravity, anti-gravitation, baricentric, counterbary, electrogravitics (eGrav), G-projects, gravitics, gravity control, and gravity propulsion. Their publicized goals were to discover and develop technologies and theories for the manipulation of gravity.

    deep space exploration missions. Electric propulsion systems, although capable of achieving the required Isp values, are low thrust devices better suited for use as primary propulsion systems on small robotic spacecraft4,5 or for auxiliary propulsion in satellite stationkeeping and orbit maneuvering applications. 6,7. Spacecraft propulsion is used to change the velocity of spacecraft and artificial satellites, or in short, to provide delta-v. There are many different methods. Each method has drawbacks and.


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Propulsion options for primary thrust and attitude control of microspacecraft Download PDF EPUB FB2

PROPULSION OPTIONS FOR PRIMARY THRUST AND ATTITUDE CONTROL OF MICROSPACECRAFT W. de Groot Nyma Inc. Aerospace Parkway Brook Park, OHUSA ABSTRACT Order of magnitude decreases in the size of scientific satellites and spacecraft could provide concurrent decreases in mission costs because of lower launch and fabrication costs.

AlthoughFile Size: KB. Propulsion Options for Primary Thrust and Attitude Control of Microspacecraft.

There are a range of requirements for both primary and attitude control propulsion, dictated by mission requirements, satellite size, and power restrictions. An excellent review of microspacecraft propulsion options was Cited by: 9. Get this from a library. Propulsion options for primary thrust and attitude control of microspacecraft: prepared under contract NAS [W A De Groot; Lewis Research Center.].

Microspacecraft may need higher thrust levels into the sub -to low mN range, JPL, a variety of micro-thrust propulsion activities are being undertaken to address the various mission needs. These include evaluation of Indium FEEP and colloid thrusters for LISA and.

Many satellites and spacecraft require a variety of low thrust propulsion functions, including orbit insertion, attitude control, station keeping, repositioning, and primary propulsion for planetary spacecraft. As a general rule, chemical propulsion options are for high-thrust, low power by: 2.

Attitude control is the process of controlling the orientation of an aerospace vehicle with respect to an inertial frame of reference or another entity such as the celestial sphere, certain fields, and nearby objects, etc.

Controlling vehicle attitude requires sensors to measure vehicle orientation, actuators to apply the torques needed to orient the vehicle to a desired attitude, and. Propulsion is the action or process of pushing or pulling to drive an object forward.

The term is derived from two Latin words: pro, meaning before or forward; and pellere, meaning to drive. A propulsion system consists of a source of mechanical power, and a propulsor (means of converting this power into propulsive force).

A technological system uses an engine or motor as the power source. Formation flying spacecraft, due to the tight positioning and pointing control requirements, may need thrust control within pN to an accuracy of pN for LISA and ST-7, for example.

for propulsion purposes. In order to develop chemical based propulsion for this class of small spacecraft, micro-combustion must be realized. These micro-combustion propulsion devices can be used both for primary thrust and orbit or attitude control. When grouped into arrays for larger thrust applications, they provide for unprecedentedCited by: 2.

A Hall thruster is a kind of plasma propulsion device which has been widely used in satellites for attitude control and deep space exploration [1][2] [3].

The structure is shown in figure 1. Power propulsion and communications for microspacecraft missions (W.A. de Groot, T.M. Maloney, M.J. Vanderaar). Propulsion options for primary thrust and attitude control of microspacecraft (W.A.

de Groot). Comparison of magnetic and aerodynamic stabilization for a microsatellite (Z.-C. Hong et al.). Session VII: Scientific Applications (I). Space propulsion systems have a great influence on our ability to travel to other planets or how cheap a satellite can provide TV programs.

This book provides an up-to-date overview of all kinds of propulsion systems ranging from classical rocket technology, nuclear propulsion to electric propulsion systems, and further to micro- propellantless and even breakthrough propulsion, which is a new Cited by: Other articles where Thrust is discussed: aerospace industry: Propulsion: There are three basic types of flight vehicle-propulsion systems: piston engines (or reciprocating engines), turbine engines (true-jet, turboprop, and turboshaft engines), and rocket engines (see airplane: Propulsion systems; rocket).

At the low end of the performance spectrum are reciprocating engines. No, attitude is not the way that the spaceship feels about its mission. When NASA scientists or engineers talk about attitude, they mean the way that the ship is positioned in 3-dimensional space. Attitude is in effect, the way that the ship is "pointed." In order for the ship to go in the right direction, attitude must be monitored and controlled.

13 • Integration benefits flight and propulsion control • Enables optimum engine operating modes • More choices for alternate paths or components during flight with failed or marginal components • Enhances Vehicle Health Management • Can result in increased fuel efficiency, engine life • Advances Environmental Control for better cooling.

Aerospace Propulsion Systems is a unique book focusing on each type of propulsion system commonly used in aerospace vehicles today: rockets, piston aero engines, gas turbine engines, ramjets, and scramjets. Thomas A. Ward introduces each system in detail, imparting an understanding of basic engineering principles, describing key functionality mechanisms used in past /5(3).

Jet Propulsion Laboratory California Institute of Technology Pasadena, California ST7 and LISA Thruster Requirements Requirement ST7 LISA Demonstrated Thrust Range 5 to 30 N 5 to 30 N* to N§ Thrust Precision ≤ N ≤ N N ( N calculated) Thrust Noise ≤.

W. de Groot, “ Propulsion options for primary thrust and attitude control of microspacecraft,” in Microsatellites as Research Tools, COSPAR Colloquia Series Vol. 10, edited by F.-B.

Hsiao (Pergamon Press, Oxford, ), pp. – Propulsion Controls Engineering (PCE) is a full service electro-mechanical repair and diesel repair contractor. We offer a wide array of services including repair of rotating machinery and pumps, electric motor and generators, diesel engines, governors and controls, hydraulics, welding and valve repair.

These are some good books for aircraft propulsion and engines 1)Hill Philip, Peterson Carl, Mechanics and Thermodynamics of Propulsion,Addison Wesley 2)El-Sayed Ahmed, Aircraft Propulsion and Gas Turbine Engines,Taylor and Francis. Aircraft Propulsion is an engineering textbook written for students in aerospace and mechanical engineering.

The book covers aircraft gas turbine engine and rocket propulsion from its basic principles to more advanced treatments in engine components/5.Aircraft propulsion 2.

Taking advantage of moving within a fluid, aircraft propulsion is achieved by air-breathing engines, i.e. engines that take a stream of air and throw it at higher speed backwards. The energy source is the combustion of a fuel (carried onboard) with oxygen in the air, but it might also be solar power or nuclear Size: 1MB.S.7 Characteristics of Spacecraft Propulsion Systems In order to fulfill attitude and orbit operational requirements of spacecraft, spacecraft propulsion systems are characterized in particular by: Very high velocity increment capability (many km/s) Low thrust levels (1 mN to N) with low acceleration levels.