Accession Number : ADA190686

Title :   Process for Assessing the Stability of HAN (Hydroxylamine)-Based Liquid Propellants.

Descriptive Note : Interim rept. no. 1, 9 Dec 86-9 Feb 87,

Corporate Author : FRAUNHOFER-INST FUER TREIB- UND EXPLOSIVSTOFFE PFINZTAL-BERGHAUSEN (GERMANY F R)

Personal Author(s) : Hansen, R ; Backof, E ; Greiff, H J de

PDF Url : ADA190686

Report Date : 29 May 1987

Pagination or Media Count : 24

Abstract : The first intermediate report covers the selection of work materials and the subsequent treatment of work materials for the pressure sensors. During storage of the monergols containig HAN at higher temperature (90 deg C) hydroxylamine and nitric acid are produced apart from water vapor in the gas phase of the pressure container. The presence of these substances can be demonstrated in the distillate of LP 1846. Consequently, they are also capable of reacting with the work material of the pressure sensors and contaminating the sample during long-term storage of the liquid propellants. Keywords: Liquid Propellants, Monergols; Chemical stability, Long term stability.

Descriptors :   *LIQUID PROPELLANTS, *LIQUID ROCKET PROPELLANTS, AMINES, HYDROXYL RADICALS, LONG RANGE(TIME), NITRIC ACID, SELECTION, STABILITY, STORAGE, VAPOR PHASES, WATER VAPOR, STABILITY, INTERNAL PRESSURE, DECOMPOSITION

Subject Categories : Liquid Rocket Propellants

Distribution Statement : APPROVED FOR PUBLIC RELEASE