Modified Regression Rate Formula of PMMA Combustion by a Single Plane Impinging Jet
A modified regression rate formula for the uppermost stage of CAMUI-type hybrid rocket motor is proposed in this study. Assuming a quasi-steady, one-dimensional, an energy balance against a control volume near the fuel surface is considered. Accordingly, the regression rate formula which can calcula...
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| Format: | Article |
| Language: | English |
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Wiley
2017-01-01
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| Series: | International Journal of Aerospace Engineering |
| Online Access: | http://dx.doi.org/10.1155/2017/6485757 |
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| _version_ | 1832555947708383232 |
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| author | Tsuneyoshi Matsuoka Kyohei Kamei Yuji Nakamura Harunori Nagata |
| author_facet | Tsuneyoshi Matsuoka Kyohei Kamei Yuji Nakamura Harunori Nagata |
| author_sort | Tsuneyoshi Matsuoka |
| collection | DOAJ |
| description | A modified regression rate formula for the uppermost stage of CAMUI-type hybrid rocket motor is proposed in this study. Assuming a quasi-steady, one-dimensional, an energy balance against a control volume near the fuel surface is considered. Accordingly, the regression rate formula which can calculate the local regression rate by the quenching distance between the flame and the regression surface is derived. An experimental setup which simulates the combustion phenomenon involved in the uppermost stage of a CAMUI-type hybrid rocket motor was constructed and the burning tests with various flow velocities and impinging distances were performed. A PMMA slab of 20 mm height, 60 mm width, and 20 mm thickness was chosen as a sample specimen and pure oxygen and O2/N2 mixture (50/50 vol.%) were employed as the oxidizers. The time-averaged regression rate along the fuel surface was measured by a laser displacement sensor. The quenching distance during the combustion event was also identified from the observation. The comparison between the purely experimental and calculated values showed good agreement, although a large systematic error was expected due to the difficulty in accurately identifying the quenching distance. |
| format | Article |
| id | doaj-art-b5302fb9d2ac4881a4d27ad2de9bf553 |
| institution | Kabale University |
| issn | 1687-5966 1687-5974 |
| language | English |
| publishDate | 2017-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | International Journal of Aerospace Engineering |
| spelling | doaj-art-b5302fb9d2ac4881a4d27ad2de9bf5532025-02-03T05:46:43ZengWileyInternational Journal of Aerospace Engineering1687-59661687-59742017-01-01201710.1155/2017/64857576485757Modified Regression Rate Formula of PMMA Combustion by a Single Plane Impinging JetTsuneyoshi Matsuoka0Kyohei Kamei1Yuji Nakamura2Harunori Nagata3Department of Mechanical Engineering, Toyohashi University of Technology, Toyohashi, JapanDepartment of Mechanical Engineering, Toyohashi University of Technology, Toyohashi, JapanDepartment of Mechanical Engineering, Toyohashi University of Technology, Toyohashi, JapanDivision of Mechanical and Space Engineering, Hokkaido University, Sapporo, JapanA modified regression rate formula for the uppermost stage of CAMUI-type hybrid rocket motor is proposed in this study. Assuming a quasi-steady, one-dimensional, an energy balance against a control volume near the fuel surface is considered. Accordingly, the regression rate formula which can calculate the local regression rate by the quenching distance between the flame and the regression surface is derived. An experimental setup which simulates the combustion phenomenon involved in the uppermost stage of a CAMUI-type hybrid rocket motor was constructed and the burning tests with various flow velocities and impinging distances were performed. A PMMA slab of 20 mm height, 60 mm width, and 20 mm thickness was chosen as a sample specimen and pure oxygen and O2/N2 mixture (50/50 vol.%) were employed as the oxidizers. The time-averaged regression rate along the fuel surface was measured by a laser displacement sensor. The quenching distance during the combustion event was also identified from the observation. The comparison between the purely experimental and calculated values showed good agreement, although a large systematic error was expected due to the difficulty in accurately identifying the quenching distance.http://dx.doi.org/10.1155/2017/6485757 |
| spellingShingle | Tsuneyoshi Matsuoka Kyohei Kamei Yuji Nakamura Harunori Nagata Modified Regression Rate Formula of PMMA Combustion by a Single Plane Impinging Jet International Journal of Aerospace Engineering |
| title | Modified Regression Rate Formula of PMMA Combustion by a Single Plane Impinging Jet |
| title_full | Modified Regression Rate Formula of PMMA Combustion by a Single Plane Impinging Jet |
| title_fullStr | Modified Regression Rate Formula of PMMA Combustion by a Single Plane Impinging Jet |
| title_full_unstemmed | Modified Regression Rate Formula of PMMA Combustion by a Single Plane Impinging Jet |
| title_short | Modified Regression Rate Formula of PMMA Combustion by a Single Plane Impinging Jet |
| title_sort | modified regression rate formula of pmma combustion by a single plane impinging jet |
| url | http://dx.doi.org/10.1155/2017/6485757 |
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