Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Daniel J. Gramer"'
Publikováno v:
Journal of Propulsion and Power. 18:600-609
Aseriesofstaticenginee ringswereconductedtoinvestigatethesolid-fuelregressionratebehaviorandoperating characteristicsofvortexhybridrocketengines.Thevortexhybridenginecone gurationischaracterizedbyacoaxial, coswirling, countere owing vortex combustion
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f3173228f2149db185c6e4dc7fb80c19
https://doi.org/10.2514/2.5974
https://doi.org/10.2514/2.5974
Tethers offer significant potential for substantially increasing payload mass fraction, increasing spacecraft lifetime, enhancing long-term space travel, and enabling the understanding and development of gravity-dependent technologies required for Mo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::251dc5e43a168d5f3292894c114cc410
http://hdl.handle.net/11577/178663
http://hdl.handle.net/11577/178663
Publikováno v:
AIP Conference Proceedings.
In a recent feasibility study, ORBITEC conceptualized systems and an evolving architecture for producing and utilizing Mars‐based in‐situ resources utilization (ISRU) propellant combinations. The propellants will be used to support the propulsion
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::57f667614cafa327493f14ef964a578d
https://doi.org/10.1063/1.1541426
https://doi.org/10.1063/1.1541426
Autor:
Brant C. White, Ronald R. Teeter, Daniel J. Gramer, Martin J. Chiaverini, Robert J. Gustafson, Eric E. Rice
Publikováno v:
AIP Conference Proceedings.
In recent studies (Rice, 2000, 2002) conducted by ORBITEC for the NASA Institute for Advanced Concepts (NIAC), we conceptualized systems and an evolving optimized architecture for producing and utilizing Mars‐based in‐situ space resources utiliza
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::60b8d5b7d8a24461e43590fdac557a47
https://doi.org/10.1063/1.1541415
https://doi.org/10.1063/1.1541415
Autor:
Thomas J. Taagen, Daniel J. Gramer
Publikováno v:
37th Joint Propulsion Conference and Exhibit.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5b9a46c0aceb1d03cd6faac7d707bc1c
https://doi.org/10.2514/6.2001-3529
https://doi.org/10.2514/6.2001-3529
Publikováno v:
35th Joint Propulsion Conference and Exhibit.
A series of static engine firings were conducted to investigate the solid-fuel regression rate behavior and operating characteristics of vortex hybrid rocket engines. The vortex hybrid engine configuration is characterized by a unique coaxial, co-swi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::78c77e899e14f9ef0123f903ef1bf258
https://doi.org/10.2514/6.1999-2318
https://doi.org/10.2514/6.1999-2318
Publikováno v:
35th Joint Propulsion Conference and Exhibit.
Orbital Technologies Corporation (ORBITECTM) presents the results of work performed for the NASA Glenn Research Center to develop and demonstrate an oxygen/hydrogen injector able to inject premixed gaseous propellants into a rocket combustion chamber
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::420c088bb1ee4b2424ce69cbbad27b10
https://doi.org/10.2514/6.1999-2491
https://doi.org/10.2514/6.1999-2491
Publikováno v:
34th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit.
Hybrid propulsion systems offer many attractive characteristics such as their inherent simplicity, safe and inexpensive operations, environmentally friendly exhaust, and the capability for throttling. However, the slow burning nature of the classical
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c89d52e90114ada9d56a5049350bd905
https://doi.org/10.2514/6.1998-3509
https://doi.org/10.2514/6.1998-3509
Publikováno v:
34th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit.
A laboratory scale hybrid rocket engine of a unique new design was found to achieve significantly higher fuel regression rates than in classic hybrids operating at similar conditions with similar propellants. Gaseous oxygen was injected through a rin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aa5e3cce3bbe2c0180ae91cc504e7e56
https://doi.org/10.2514/6.1998-3351
https://doi.org/10.2514/6.1998-3351
Publikováno v:
34th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit.
An experimental investigation to characterize the solid-fuel regression rate and combustion behavior of a vortex-driven, highregression rate, lab-scale hybrid rocket engine was performed. Gaseous oxygen was injected through a ring of tangential ports
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0bc996a2b319812ac470dc94826511f7
https://doi.org/10.2514/6.1998-3348
https://doi.org/10.2514/6.1998-3348