ROCKET ENGINE SECTION HAVING POROUS INNER WALL PORTION AND METHOD FOR MANUFACTURING ROCKET ENGINE SECTION

To provide a rocket engine section which includes: a combustion chamber body having an inner wall; and a cooling medium guiding channel extending along outside the inner wall.SOLUTION: A rocket engine section (100) comprises a porous portion (250) which is integrally formed with an inner wall (201)...

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Hauptverfasser:	DANIEL EIRINGHAUS, DIETMAR WIEDMANN, FABIAN RISS, HENDRIK RIEDMANN
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ADDITIVE MANUFACTURING TECHNOLOGY ADDITIVE MANUFACTURING, i.e. MANUFACTURING OFTHREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVEAGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING,STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING BLASTING COMBUSTION ENGINES HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS JET-PROPULSION PLANTS LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WEAPONS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	To provide a rocket engine section which includes: a combustion chamber body having an inner wall; and a cooling medium guiding channel extending along outside the inner wall.SOLUTION: A rocket engine section (100) comprises a porous portion (250) which is integrally formed with an inner wall (201) and incorporated in the inner wall (201), and is configured to allow a cooling medium guided in a channel (210, 220) to pass from the channel (210, 220) to the interior of a combustion chamber body (105). A porosity of the porous portion (250) determines a volume flow rate and/or mass flow rate of the cooling medium let through into the interior of the combustion chamber body (105).SELECTED DRAWING: Figure 1 【課題】ロケットエンジン部分であって、内壁を備えた燃焼室ボディと、内壁の外側に沿って延びる冷却媒体案内通路とを有している、ロケットエンジン部分を説明する。【解決手段】ロケットエンジン部分（１００）は、内壁（２０１）と一体に形成されて内壁（２０１）に組み込まれており、通路（２１０，２２０）内を案内される冷却媒体を、通路（２１０，２２０）から燃焼室ボディ（１０５）の内部に通流させるように構成された多孔質部分（２５０）を有している。多孔質部分（２５０）の多孔率が、燃焼室ボディ（１０５）の内部に通流させられる冷却媒体の体積流量および／または質量流量を決定する。【選択図】図１