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Experiments for Collection and Characterization of Particles Exiting from Solid Propellant Rocket Nozzles

Maggi, Filippo and Carlotti, Stefania and Saile, Dominik and Gülhan, Ali and Liljedahl, Mattias and Wingborg, Niklas and Langener, Tobias and Van den Eynde, Jeroen (2020) Experiments for Collection and Characterization of Particles Exiting from Solid Propellant Rocket Nozzles. In: AIAA Propulsion and Energy Forum and Exposition, 2020. AIAA Propulsion and Energy 2020 Forum, August 24-28, 2020, VIRTUAL EVENT. doi: 10.2514/6.2020-3932.

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Official URL: https://arc.aiaa.org/doi/abs/10.2514/6.2020-3932

Abstract

Metals in solid propellants are used to improve specific impulse and increment the energy density. Their combustion generates condensed products that move along the motor chamber and are expelled through the nozzle. The discharge of liquid or solid particles across the gas dynamic nozzle of large boosters is not only a matter of specific impulse loss. Recent climatological studies are addressing possible short and long term environmental effects that may be attributed to space launch activity by large launchers. In this respect, the knowledge of plume content and, specifically, of physical, chemical, and morphological properties of the exhausted particulate is needed. In the frame of the EMAP (Experimental Modelling of Alumina Particulate in Solid Booster) project, an activity financed by the European Space Agency, the Space Propulsion Laboratory (SPLab) of Politecnico di Milano developed a collection method and an analysis protocol for the characterization of the particles contained in the rocket plume. The collection is performed by an intrusive probe capable of capturing the particles directly from the nozzle exit and quenching them. The post-collection protocol enables size measurement, chemical characterization, and morphology observation. In this paper an overview of the collection and analysis activity is presented, along with the final results that were achieved by analyzing the plume of different rocket motors.

Item URL in elib:https://elib.dlr.de/136747/
Document Type:Conference or Workshop Item (Speech)
Title:Experiments for Collection and Characterization of Particles Exiting from Solid Propellant Rocket Nozzles
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Maggi, Filippofilippo.maggi (at) polimi.itUNSPECIFIED
Carlotti, Stefaniastefania.carlotti (at) polimi.itUNSPECIFIED
Saile, DominikDominik.Saile (at) dlr.dehttps://orcid.org/0000-0002-4631-2072
Gülhan, AliAli.Guelhan (at) dlr.dehttps://orcid.org/0000-0003-4905-5881
Liljedahl, Mattiasmattias.liljedahl (at) foi.seUNSPECIFIED
Wingborg, NiklasFOI, Swedish Defence Research Agency, SE-14725 Tumba, SwedenUNSPECIFIED
Langener, TobiasESA-ESTEC, NoordwijkUNSPECIFIED
Van den Eynde, JeroenESA-ESTEC, NLUNSPECIFIED
Date:17 August 2020
Journal or Publication Title:AIAA Propulsion and Energy Forum and Exposition, 2020
Refereed publication:No
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
DOI :10.2514/6.2020-3932
Status:Published
Keywords:SRM, solid rocket motor, launcher, space systems, alumina, particulates, particles, exhaust jet, solid propellant, environmental impact, experiments, rocket motor
Event Title:AIAA Propulsion and Energy 2020 Forum
Event Location:VIRTUAL EVENT
Event Type:international Conference
Event Dates:August 24-28, 2020
Organizer:AIAA Propulsion and Energy
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Transportation
DLR - Research area:Raumfahrt
DLR - Program:R RP - Space Transportation
DLR - Research theme (Project):R - Raumfahrzeuge Entwurf, Systemanalyse, Simulation, Messtechnik (old)
Location: Köln-Porz
Institutes and Institutions:Institute for Aerodynamics and Flow Technology > Supersonoc and Hypersonic Technology
Deposited By: Saile, Dominik
Deposited On:25 Nov 2020 14:55
Last Modified:25 Nov 2020 14:55

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