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Wednesday, July 8, 2020 | History

3 edition of A design study of hydrazine and biowaste resistojets found in the catalog.

A design study of hydrazine and biowaste resistojets

A design study of hydrazine and biowaste resistojets

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Published by National Aeronautics and Space Administration, For sale by the National Technical Information Service in [Washington, D.C.], [Springfield, Va .
Written in English


Edition Notes

StatementRussell J. Page, Willis A. Stoner, and Larry Barker
SeriesNASA contractor report -- 179510, NASA contractor report -- NASA CR-179510
ContributionsStoner, Willis A, Barker, Larry, United States. National Aeronautics and Space Administration
The Physical Object
FormatMicroform
Pagination1 v
ID Numbers
Open LibraryOL14985500M

Hydrazine is a man-made chemical and is not found in natural waters. The determination of hydrazine is usually made on boiler feedwaters, process waters, and other waters that have been treated with hydrazine (N 2 H 4) for the purpose of maintaining residuals to prevent corrosion by dissolved reducing chemical reacts with dissolved oxygen to form nitrogen and water. Hydrazine (Environmental Health Criteria) [World Health Organization] on *FREE* shipping on qualifying offers. Books Advanced Search New Releases Best Sellers & More Children's Books Textbooks Textbook Rentals Sell Us Your Books Best Books of the Month.

  Hydrazines (H₂NNH₂) are clear, colorless liquids with an ammonia-like odor. Hydrazines are highly reactive and easily catch fire. Workers may be harmed from exposure to hydrazine. The level of harm depends upon the dose, duration, and work being done. Hydrazine sulfate is soluble in water but practically insoluble in eth-anol. Both compounds are thermally unstable (Akron ). Physi-cal and chemical properties of hydrazine and hydrazine sulfate are listed in the following table. Property Hydrazine Hydrazine Sulfate Molecular weight Specific gravity at 25°C/4°C File Size: KB.

There are two types of hydrazine: anhydrous hydrazine (N2H4) and hydrazine hydrate (N2H4・H2O). Hydrazine hydrate is mainly used as a raw material for plastic foaming agents, with 28% of hydrazine used in water treatment and pH control. Corrosion-control effects of hydrazine Oxygen dissolved in water causes Size: 1MB. Bioremediation of Hydrazine: A Literature Review Paperback – by David J. Kuch (Author) See all formats and editions Hide other formats and editions. Price New from Used from Paperback, "Please retry" $ $ $ Paperback $ 1 Used from $ Author: David J. Kuch.


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A design study of hydrazine and biowaste resistojets Download PDF EPUB FB2

Four biowaste resistojet designs and two hydrazine augmen- ters are analyzed and numerical results compared for recommenda- tions of designs for performance and qualitatively for reliability to give guidance to future resistojet designs. STUDY MODELS The following study models were used to define the concepts.

Get this from a library. A design study of hydrazine and biowaste resistojets. [Russell J Page; Willis A Stoner; Larry Barker; United States. National Aeronautics and Space Administration.]. influence of chemical contaminants* in the potential biowaste sources upon the design and interface requirements of a biowaste resistojet propulsion system for a space station and/or base.

The results of the study are to be used in the technology development program of the biowaste resistojet system and for demonstration test planning by the. novel design for a man-tended platform and the design and integration of a resistojet propulsion system.

These man. tended space platforms will be serviced initially by the Shuttle Orbiter and at a later date from the Space Station. This paper pre- sents the design of one such man-tended platform,File Size: 3MB.

Numerical and experimental study of a 1-kW hydrazine engineering design model arcjet thruster with simulated hydrazine reaction products as propellant was performed.

A two-dimensional numerical model incorporating the effects of viscous dissipation, Lorentz force, ohmic heating, heat conduction, radiation loss, and pressure work was developed.

Fig. 1 Electrothermal thrusters are being actively considered as auxiliary propulsion units on the NASA space propulsive thrust is provided by a heated gas which is expanded through a nozzle; the temperature and hence the thrust, being varied by changing the power input to an elec- tric resistance heating coil.

Since it would be advantageous to use many of the on-board fluids as pro. Full text of "Development of a liquid-fed water resistojet" See other formats NASA Technical Memorandum AIAA NASA-TM j Development of a Liquid-Fed Water Resistojet W.

Earl Morren and James R. Stone Lewis Research Center Cleveland, Ohio OCT 'I LAKGLtYRrSEARCH CENTER llAMf'TOM. The study consists of the design of a monopropellant thruster powered by green propellant (i.e. Hydrogen Peroxide) for medium and large LEO platforms (respectively between kg and kg, and.

Hydrazine occurs as a colorless, oily, flammable liquid that is miscible with water. (6,8) Hydrazine has a penetrating odor, resembling that of ammonia, with an odor threshold of ppm. (8,9) The vapor pressure for hydrazine is mm Hg at 25 °C, and its log octanol/water partition coefficient (log K ow) is (6) Conversion Factors.

detection. Hydrazine vapor produces a color change in the paper and this change is sensed optically. In the event of a leak, the interlock was config- ured to sound an audible alarm, shut off the flow of liquid hydrazine and flood the hydrazine feed container with water to dilute any liquid by: 3.

Thermal decomposition of hydrazine in sub- and supercritical water at 25MPa. The Journal of Supercritical Fluids55 (3), DOI: / Special Project: Fire, Explosion, Compatibility, and Safety Hazards of Hypergols - Hydrazine (AIAA SP).Cited by: Resistojets for space station auxiliary propulsion require both long life and multipropellant capability, and platinum dispersion strengthened with yttria and zirconia has been studied for possible use as a resistojet material.

A series of propellant compatibility tests has been conducted, and the results are presented. Generally, on the basis of mass loss, there were no compatibility problems. Biowaste resistojets, for which water was a candidate propellant, were baselined on the hydrazine.

The Ref. 3 study considered the cost of propellant launch, estimated at about $/kg, and the cost of ground bed design could be suitable for resistojet applications, but some means of automatic.

HYDRAZINE Hydrazine is the simplest diamine in its class of compounds and may be thought of as derived from ammonia by replacement of a hydrogen atom by the – NH 2 group. The hydrated hydrazine, N 2H 4.H 2O was first prepared by Curtius in The anhydrous hydrazine as a water free base was prepared by De Bruyn for the first Size: KB.

Hydrazine and Its Derivatives: Preparation, Properties, Applications, Second Edition is the most comprehensive book ever published on hydrazines, and this new edition is indispensable reading material for chemists, toxicologists, environmentalists, propulsion engineers, materials engineers, and satellite : $ Micropropulsion for Small Spacecraft Volume of Progress in astronautics and aeronautics: Editor: Michael Matthew Micci: Publisher: AIAA, ISBN:Length: pages: Export Citation: BiBTeX EndNote RefMan.

The high performance resistojet also has relevance to existing small spacecraft busses. The information gathering exercise determined that for LEO spacecraft primes favoured a target ISP of greater than 80 s for a xenon resistojet with a power requirement of less than 50 W, target thrust level of 20–50 mN and total impulse of 10 by: HYDRAZINE Chemical and Physical Properties of Hydrazine Hydrazine is a colorless, oily liquid or sometimes white crystalline compound (Hydrazine ; Environmental Protection Agency (EPA) ; Material Safety Data Sheet (MSDS) ).

This compound is a very highly reactive base and reducing agent, having many industrial as well as military Size: 79KB. A design study of hydrazine and biowaste resistojets by Russell J Page Preliminary design study of hydrogen and ammonia resistojets for prime and auxiliary thrusters by Russell J Page Barker, Larry Lee Larry Lee Barker born ied Barker, Larry L.

(Larry Lee), ; Barker, Larry L.; Barker, Larry Lee, Resistojets using electric heaters to augment the specific impulse of nitrogen or ammonia propellant were used on a handful of satellites, starting in with the Vela-1 satellite.5 After being first proposed inwork on hydrazine resistojets was conducted throughout the s by TRW6 and AVCO.7 In the early s Aerojet.

American Institute of Aeronautics and Astronautics Sunrise Valley Drive, Suite Reston, VA Hydrazine (N 2 H 4) is a known genotoxic impurity that typically needs to be controlled down to low ppm level in pharmaceutical ine, however, is a challenging molecule to analyze using conventional analytical techniques due to its physical and chemical properties (e.g.

lack of chromophore, absence of any carbon atom, low molecular weight, high polarity and volatility).Cited by: HYDRAZINE Hydrazine‚ is the simplest diamine. Lobry de Bruyn first prepared anhydrous hydrazine in In Arch Hydrazine (formerly Olin Chemical) pioneered U.S.

production of hydrazine to fuel the first Titan rocket. Hydrazine is a clear‚ hygroscopic fuming liquid with the odor of ammonia.