Thermodynamic analysis and parametric study of a closed Brayton cycle thermal management system for scramjet
A closed Brayton cycle thermal management system is proposed for a regeneratively cooled scramjet to reduce the hydrogen fuel flow for cooling, through converting part of the heat from fuel to other forms of energy to decrease the heat that must be taken away by hydrogen fuel. Fuel heat sink (coolin...
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| Veröffentlicht in: | International journal of hydrogen energy 2010, Vol.35 (1), p.356-364 |
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| container_title | International journal of hydrogen energy |
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| creator | Qin, Jiang Zhou, Weixing Bao, Wen Yu, Daren |
| description | A closed Brayton cycle thermal management system is proposed for a regeneratively cooled scramjet to reduce the hydrogen fuel flow for cooling, through converting part of the heat from fuel to other forms of energy to decrease the heat that must be taken away by hydrogen fuel. Fuel heat sink (cooling capacity) is thus indirectly increased. Instead of carrying excess fuel for cooling or seeking for any new coolant, the fuel flow for cooling is reduced, and fuel onboard is adequate to satisfy the cooling requirement for the whole hypersonic vehicle. A parametric study of an irreversible closed Brayton cycle thermal management system for scramjet has been performed with external as well as internal irreversibilities. It is known through performance analyses that closed Brayton cycle thermal management system has excellent potential performance over conventional regenerative cooling, due to the reduction in fuel flow for cooling and additional power output. |
| doi_str_mv | 10.1016/j.ijhydene.2009.09.025 |
| format | Article |
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| fulltext | fulltext |
| identifier | ISSN: 0360-3199 |
| ispartof | International journal of hydrogen energy, 2010, Vol.35 (1), p.356-364 |
| issn | 0360-3199 1879-3487 |
| language | eng |
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Applied sciences Brayton cycle Cooling Cooling systems Energy Energy. Thermal use of fuels Engines and turbines Equipments for energy generation and conversion: thermal, electrical, mechanical energy, etc Exact sciences and technology Fuel flow Fuels Heat sink Hydrogen Hydrogen fuels Regenerative cooling Scramjet Scramjets Thermal management Thermal management system |
| title | Thermodynamic analysis and parametric study of a closed Brayton cycle thermal management system for scramjet |
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