A pulse detonation engine system (1) for driving a turbine is comprises a detonation generator section (5) including a detonation tube (7) having a tubular hollow section for permitting detonation to be generated therein during combustion stage of a mixture gas combined with a gas and a fuel, a gas
A pulse detonation engine system (1) for driving a turbine is comprises a detonation generator section (5) including a detonation tube (7) having a tubular hollow section for permitting detonation to be generated therein during combustion stage of a mixture gas combined with a gas and a fuel, a gas supply section (17) for feeding the gas into the tubular hollow section of the detonation tube (7) at given time intervals, a fuel valve (19) for feeding the fuel into the tubular hollow section of the detonation tube (7) at the given time intervals, and an ignition plug (15) for igniting the mixture gas in the tubular hollow section of the detonation tube (7), and a pulse detonation driven turbine (9) driven directly or indirectly by energy of detonations that are intermittently generated in the tubular hollow section of the detonation tube (7).
대표청구항▼
The invention claimed is: 1. A pulse detonation engine system, comprising: a pulse detonation generator including a detonation tube having a tubular hollow section configured to generate a detonation wave therein during a combustion process of a mixture gas combined with a gas and a fuel, a gas sup
The invention claimed is: 1. A pulse detonation engine system, comprising: a pulse detonation generator including a detonation tube having a tubular hollow section configured to generate a detonation wave therein during a combustion process of a mixture gas combined with a gas and a fuel, a gas supply section configured to feed the gas into the tubular hollow section of the detonation tube at a given time interval, a fuel supply section configured to feed the fuel into the tubular hollow section of the detonation tube at a given time interval, and an igniter configured to ignite the mixture gas in the tubular hollow section of the detonation tube; a turbine driven by impact energies of detonation waves intermittently generated in the tubular hollow section of the detonation tube; and a boiler configured to generate steam; wherein the pulse detonation generator further includes a bypass flow passage configured to directly provide the steam generated by the boiler to the turbine in order to continuously operate the turbine. 2. The pulse detonation engine system according to claim 1, wherein the pulse detonation generator further includes a shock alleviating section configured to alleviate the impact energies of the detonation waves in order to protect the turbine from directly receiving the impact energies of the detonation waves. 3. The pulse detonation engine system according to claim 2, wherein the shock alleviating section includes a shock damper configured to convert the impact energies of the detonation waves, released from an open end of the detonation tube, into compression energy of the gas, and to introduce the compression energy of the gas into the turbine. 4. The pulse detonation engine system according to claim 1, wherein: the turbine includes first and second turbines disposed on opposite ends of a common rotor shaft to allow the impact energies of the detonation waves to be dispersed onto the first and second turbines such that the first and second turbines are driven while permitting forces, applied thereto in an axial direction, to cancel each other. 5. The pulse detonation engine system according to claim 1, further comprising: a reformer configured to reform a first fuel into a second fuel, wherein the fuel to be supplied to the fuel supply section of the detonation tube includes the second fuel that is reformed. 6. The pulse detonation engine system according to claim 5, wherein the first fuel includes a hydrocarbon fuel, an alcohol fuel, and dimethyl ether, and the reformer reforms the first fuel into the second fuel containing hydrogen and carbon monoxide. 7. The pulse detonation engine system according to claim 5, wherein the second fuel that is reformed contains hydrogen at a ratio of 30% and more. 8. The pulse detonation engine system according to claim 5, wherein the reformer introduces waste heat recovered from the turbine for achieving reforming. 9. The pulse detonation engine system according to claim 1, wherein after a hot flow process, with a high temperature after generating a detonation wave, the gas supply section is operative to permit a cold flow process that combines purging a combustion gas from the detonation tube and cooling at least one of the tubular hollow section of the detonation tube and the turbine by supplying the tubular hollow section of the detonation tube with a gas in excess of a given flow rate, and is operative to alternately execute the hot flow process and the cold flow process. 10. The pulse detonation engine system according to claim 1, wherein: the boiler is further configured to generate steam to pre-cool the turbine. 11. The pulse detonation engine system according to claim 1, further comprising: an electric power generator configured to convert a drive force generated by the turbine into electric power. 12. The pulse detonation engine system according to claim 1, further comprising: a shaft member rotated by motive power converted from drive force generated by the turbine. 13. A method of driving a turbine using a pulse detonation generator, the method comprising: feeding a gas into a tubular hollow section of the pulse detonation generator at a given time interval; feeding a fuel into the tubular hollow section of the pulse detonation generator at a given time interval; igniting a mixture gas combined with the gas and the fuel in the tubular hollow section of the pulse detonation generator; generating a detonation wave in the tubular hollow section of the pulse detonation generator; and driving the turbine by impact energies of detonation waves, intermittently generated in the tubular hollow section of the pulse detonation generator; and directly flowing a steam to the turbine through a bypass flow passage of the pulse detonation generator in order to continuously operate the turbine. 14. The method of driving the turbine according to claim 13, further comprising: alleviating the impact energies of the detonation waves in order to protect the turbine from directly receiving the impact energies of the detonation waves. 15. The method of driving the turbine according to claim 14, wherein the step of alleviating the impact energies comprises converting the impact energies of the detonation waves released from an open end portion of the pulse detonation generator into compression energy of the gas, and introducing the converted compression energy of the gas into the turbine. 16. The method of driving a turbine according to claim 13, wherein the turbine includes first and second turbines, and the step of driving the turbine comprises dispersing the impact energies of the detonation waves into the first and second turbines, and driving the first and second turbines while permitting forces applied thereto in an axial direction to cancel each other. 17. The method of driving a turbine according to claim 13, wherein the turbine includes first and second turbines, and the step of supplying the fuel comprises reforming a first fuel into a second fuel, and supplying the second fuel into the tubular hollow section of the pulse detonation generator at the given time interval. 18. The method of driving the turbine according to claim 17, wherein the first fuel includes one of a hydrocarbon fuel, an alcohol fuel, and dimethyl ether, and the step of reforming the first fuel comprises reforming the first fuel into the second fuel containing hydrogen and carbon monoxide. 19. The method of driving the turbine according to claim 17, wherein the step of reforming the first fuel performs reforming such that the resulting second fuel contains hydrogen at a ratio of 30% or more. 20. The method of driving the turbine according to claim 13, further comprising: achieving a hot flow process with a high temperature after generating the detonation wave; achieving a cold flow process by concurrently purging a combustion gas from the tubular hollow section of the pulse detonation generator and cooling at least one of the tubular hollow section of the pulse detonation generator and the turbine by supplying the tubular hollow section of the pulse detonation generator a gas in excess of a given flow rate; and alternately executing the steps of achieving the hot flow process and the cold flow process. 21. The method of driving the turbine according to claim 13, further comprising: pre-cooling the turbine with steam. 22. The method of driving the turbine according to claim 13, further comprising: converting drive force generated by the turbine into electric power. 23. The method of driving the turbine according to claim 13, further comprising: converting drive force generated by the turbine into motive power and transferring the motive power to a power shaft.
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