Experiments conducted on combustion at microgravity in the TEXUS-38 sounding rocket

Sánchez Tarifa, Carlos and Lázaro Gómez, Benigno (2001). Experiments conducted on combustion at microgravity in the TEXUS-38 sounding rocket. In: "First International Symposium on Microgravity Research and Applications on Physical Sciences and Biotechnology", 10/09/2000-15/09/2000, Sorrento, Italia.

Description

Title: Experiments conducted on combustion at microgravity in the TEXUS-38 sounding rocket
Author/s:
  • Sánchez Tarifa, Carlos
  • Lázaro Gómez, Benigno
Item Type: Presentation at Congress or Conference (Article)
Event Title: First International Symposium on Microgravity Research and Applications on Physical Sciences and Biotechnology
Event Dates: 10/09/2000-15/09/2000
Event Location: Sorrento, Italia
Title of Book: Proceedings of First International Symposium on Microgravity Research and Applications on Physical Sciences and Biotechnology
Date: 2001
Subjects:
Faculty: E.T.S.I. Aeronáuticos (UPM)
Department: Motopropulsión y Termofluidodinámica [hasta 2014]
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

A series of experiments linked together on combustion at microgravity have been conducted in a TEXUS-38 sounding rocket. The experiments were performed with three cylindrical hollow rods of polymethylmethacrylate. Test were carried out in O2-N2 mixtures at rest and at flow velocities ranging from 10 to 30 mm/s. O2-N2 mixture composition changed from 40% oxygen down to pure nitrogen. The sequence of experiments consisted of: 1º.- Measurement of flame temperatures in the non-visible optical range. 2º.- Determination of O2 concentrations at flame extinction at constant flow velocity, obtained by continuously reducing the O2 concentration in the test section. 3º.- Measurement of flame spreading velocities. 4º.- Some information on the influence on flammability of the ignition location and time, and fuel thickness. Main conclusions are: 1º.- Flames in the infrared, non-visible optical range have a substantially lower temperature. 2º.- O2 concentration at flame extinction depends considerably on flow velocity, especially at low velocity levels. Final conclusion is that the flow velocity field of maximum interest is the one in which flow velocities are of the same order of magnitude as typical diffusion velocities. A follow-on program in this subject will be conducted in the US Combustion Module of the International Space Station.

More information

Item ID: 6499
DC Identifier: http://oa.upm.es/6499/
OAI Identifier: oai:oa.upm.es:6499
Deposited by: Memoria Investigacion
Deposited on: 23 Mar 2011 12:04
Last Modified: 20 Apr 2016 15:46
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