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Experimental Study of Methane Heat Transfer Deterioration in a Subscale Combustion Chamber

Haemisch, Jan and Suslov, Dmitry and Oschwald, Michael (2019) Experimental Study of Methane Heat Transfer Deterioration in a Subscale Combustion Chamber. Journal of Propulsion and Power, 35 (4). American Institute of Aeronautics and Astronautics (AIAA). DOI: 10.2514/1.B37394 ISSN 0748-4658

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Official URL: https://arc.aiaa.org/doi/full/10.2514/1.B37394


Methane has many possible advantages as a fuel for reusable rocket engines and is therefore extensively discussed. However, the characteristics of methane as a coolant in a regenerative cooling system are widely unknown. Especially the heat transfer deterioration that occurs in the vicinity of the critical point is a major concern and a severe drawback. To investigate this phenomenon and to establish a broad data basis for the validation of numerical simulations, tests were performed with a subscale combustion chamber. The combustion chamber contains different cooling channel geometries (rectangular cooling channels with the aspect ratios [height-to-width ratio]: 1.7, 3.5, 9.2, and 30) and was cooled with cryogenic methane. Results close to the critical point show a distinct maximum in hot gas wall temperature, which is a clear evidence of heat transfer deterioration. The test results indicate a strong dependency on the occurrence of this effect toward cooling channels with a low aspect ratio.

Item URL in elib:https://elib.dlr.de/131456/
Document Type:Article
Title:Experimental Study of Methane Heat Transfer Deterioration in a Subscale Combustion Chamber
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Haemisch, JanJan.Haemisch (at) dlr.dehttps://orcid.org/0000-0001-9463-1740
Suslov, DmitryDmitry.Suslov (at) dlr.dehttps://orcid.org/0000-0002-5160-9292
Oschwald, MichaelMichael.Oschwald (at) dlr.dehttps://orcid.org/0000-0002-9579-9825
Date:July 2019
Journal or Publication Title:Journal of Propulsion and Power
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In ISI Web of Science:Yes
DOI :10.2514/1.B37394
Publisher:American Institute of Aeronautics and Astronautics (AIAA)
Keywords:HARCC, HTD
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Transport
DLR - Research area:Raumfahrt
DLR - Program:R RP - Raumtransport
DLR - Research theme (Project):Proj LUMEN (Liquid Upper Stage Demonstrator Engine)
Location: Lampoldshausen
Institutes and Institutions:Institute of Space Propulsion > Rocket Propulsion
Deposited By: Hanke, Michaela
Deposited On:28 Nov 2019 09:21
Last Modified:28 Nov 2019 09:21

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