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http://dx.doi.org/10.5139/JKSAS.2018.46.8.662

Technology and Patent Trends of Altitude Compensation Nozzles  

Choi, Junsub (Department of Aerospace Engineering, Graduate School of Chungnam National University)
Moon, Taeseok (Department of Aerospace Engineering, Graduate School of Chungnam National University)
Choi, Jongin (Department of Aerospace Engineering, Graduate School of Chungnam National University)
Park, Sanghyeon (Department of Aerospace Engineering, Graduate School of Chungnam National University)
Kim, Hansol (Department of Aerospace Engineering, Graduate School of Chungnam National University)
Huh, Hwanil (Department of Aerospace Engineering, Chungnam National University)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.46, no.8, 2018 , pp. 662-670 More about this Journal
Abstract
The altitude compensation nozzle is a nozzle designed for optimum performance at all altitudes. A method of improving the specific impulse of the space launch vehicle is a method of improving the characteristic exhaust velocity which is a characteristic of the combustion chamber and a method of improving the thrust coefficient which is a characteristic of the nozzle. The altitude compensation nozzle enables improvement of the performance of the space launch vehicle by improving the nozzle performance for the same combustor. Research on altitude compensation nozzles has been actively carried out in the DLR in Germany and is being carried out in advanced countries such as the US, Russia, UK, Australia and Japan. In this paper, the technology trends and patent trends of altitude compensation nozzles are investigated and summarized. Based on this, the technical trends of altitude compensation nozzles is grasped and utilized as basic data for the study on the performance improvement of a launch vehicle.
Keywords
Altitude Compensation Nozzle; Technology Trend; Patent Trend;
Citations & Related Records
Times Cited By KSCI : 8  (Citation Analysis)
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