Universal aircraft power system with liquefied natural gas (LNG) as fuel and fuel supply method of universal aircraft power system

Abstract

The invention provides a universal aircraft power system with liquefied natural gas (LNG) as fuel and a fuel supply method of the universal aircraft power system. The universal aircraft power system with the LNG as fuel and the fuel supply method of the universal aircraft power system can save energy and are efficient, reasonable in design and easy to achieved, the vaporization of the LNG is guaranteed, and meanwhile the effective utilization of LNG cold energy is achieved; meanwhile, the temperature of cooling liquid of an engine cooling system is reduced, and the performance of an engine is improved. The universal aircraft power system with the LNG as fuel comprises an LNG storage tank, an LNG storage tank self-pressurization system and a low-temperature fuel gasification and gas fuel supply system. The LNG storage tank is used for storing low-temperature LNG fuel, the LNG storage tank self-pressurization system is used for providing pressure required by the LNG transportation process, and the low-temperature fuel gasification and gas fuel supply system is used for converting the LNG output by the LNG storage tank to be in a gas state and transporting the LNG to the engine for combustion. The LNG output end of the LNG storage tank is connected with the input end of the low-temperature fuel gasification and gas fuel supply system. The LNG storage tank is provided with the LNG storage tank self-pressurization system.

Description

technical field [0001] The invention belongs to the technical field of aircraft power systems, in particular to a general aircraft power system using LNG as fuel and a fuel supply method thereof. Background technique [0002] In recent years, with the gradual maturity of general aircraft technology, its safety and reliability have been greatly improved. With the implementation of the "Opinions on Deepening the Reform of my country's Low-altitude Airspace Management" issued by the State Council and the Central Military Commission in 2011, by 2020, China will have at least 80% of the low-altitude areas open, which will provide opportunities for the development of general-purpose aircraft. space and opportunity. It can be predicted that in the near future, the general aviation industry will definitely occupy a place in the Chinese market, and will also become one of the mainstays of China's future economic development. [0003] At present, general-purpose aircraft are basicall...

AI Technical Summary

Problems solved by technology

The use of LNG as a fuel for general aircraft power systems is still a new field, and there have been no relevant reports so far

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