CN106150762A - The liquid hydrogen vaporization control method of hydrogen energy source unmanned plane - Google Patents

The liquid hydrogen vaporization control method of hydrogen energy source unmanned plane Download PDF

Info

Publication number
CN106150762A
CN106150762A CN201610634367.8A CN201610634367A CN106150762A CN 106150762 A CN106150762 A CN 106150762A CN 201610634367 A CN201610634367 A CN 201610634367A CN 106150762 A CN106150762 A CN 106150762A
Authority
CN
China
Prior art keywords
hydrogen
unmanned plane
consumption
energy source
vaporization
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201610634367.8A
Other languages
Chinese (zh)
Other versions
CN106150762B (en
Inventor
赵昌霞
荣海春
吴晴
李翔
周星
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CETC 38 Research Institute
Original Assignee
CETC 38 Research Institute
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CETC 38 Research Institute filed Critical CETC 38 Research Institute
Priority to CN201610634367.8A priority Critical patent/CN106150762B/en
Publication of CN106150762A publication Critical patent/CN106150762A/en
Application granted granted Critical
Publication of CN106150762B publication Critical patent/CN106150762B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
    • F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
    • F02M21/06—Apparatus for de-liquefying, e.g. by heating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D19/02—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with gaseous fuels
    • F02D19/021—Control of components of the fuel supply system
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/30—Use of alternative fuels, e.g. biofuels

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

The present invention relates to hydrogen energy source unmanned plane fuel management technical field, it is specifically related to the liquid hydrogen vaporization control method of a kind of hydrogen energy source unmanned plane, it is by reducing the insulated design requirement of hydrogen storage vessel, then the liquid hydrogen evaporating capacity of hydrogen storage vessel is controlled in real time by engine exhaust heat, make the consumption of hydrogen fuel amount balance of liquid hydrogen evaporating capacity and unmanned plane each flight operating mode, thus effectively reduce the weight of hydrogen energy source unmanned plane fuel management system, improve the payload weight of unmanned plane, simplify actively vaporization to control, reduce the spill-out of liquid hydrogen.The present invention utilizes engine exhaust heat to control liquid hydrogen evaporating capacity, consumption regulation engine exhaust amount according to hydrogen fuel, dynamic realtime control can be carried out for different hydro Fuel Consumption, improve the utilization ratio of hydrogen energy source, reduce hydrogen storage vessel deadweight, provide reliable and feasible method for hydrogen energy source unmanned plane fuel management.

Description

The liquid hydrogen vaporization control method of hydrogen energy source unmanned plane
Technical field
The present invention relates to hydrogen energy source unmanned plane fuel management technical field, be specifically related to the liquid hydrogen of a kind of hydrogen energy source unmanned plane Vaporization control method.
Background technology
Hydrogen energy source unmanned plane typically uses fuel cell or hydrogen-fuel engine as power set, and patent of the present invention is main For the unmanned plane using hydrogen-fuel engine as power set.Under normal temperature and pressure, the density of liquid hydrogen is 845 times of Gaseous Hydrogen, liquid The volume energy density of hydrogen is higher more than 10 times than Gaseous Hydrogen compression storage, and therefore the most most current hydrogen energy source unmanned plane is all The method using liquified hydrogen storage.Hydrogen_cooling to-253 degree Celsius need to be become liquid by liquified hydrogen storage, is then stored In the thermally insulated container of fine vacuum for.Owing in storage container, liquid hydrogen differs greatly with ambient temperature, hold for controlling storage Liquid hydrogen evaporation loss in device and the safety (freeze proof, pressure-bearing etc.) of container, to the selection of the adiabator of liquid hydrogen storage container and The design of container is the highest.General liquid hydrogen storage tank is divided into inside and outside two-layer, and it is the liquid hydrogen of-253 degrees Celsius that internal layer contains temperature, passes through The supporter being made up of longer glass fibre is placed in outer casing center, interlayer central filler multilamellar aluminium plating terylene film, subtracts Few heat radiation, spreads sheathing paper between each thin film, increase thermal resistance, the residual gas under absorption low temperature, pump interlayer with vacuum pump Interior air, forms fine vacuum and avoids gaseous exchange leakage heat, prevent the too early of hydrogen from vaporizing.Traditional hydrogen storage vessel internal layer is general Using the metal material (such as rustless steel) that NdFeB permanent magnets is good, owing to insulated design requires height, the weight of storage container mainly consumes In insulated design, show according to calculating that the liquid hydrogen storage tank of the heavy 200kg that insulated design is good is only capable of carrying the liquid hydrogen of 17kg, This there is no bigger advantage relative to common aviation gasoline or kerosene storage.The liquid hydrogen storage tank that insulated design is good simultaneously is to confession The insulation requirements of hydrogen pipeline is the highest, adds the weight of pipeline, simultaneously need to increase special carburator to carry out the vapour of liquid hydrogen Change, add design weight.
Summary of the invention
It is an object of the invention to provide a kind of liquid for the highly efficient light hydrogen energy source unmanned plane of hydrogen energy source unmanned plane Hydrogen vaporization control method；It, by reducing the insulated design requirement of hydrogen storage vessel, is then controlled by engine exhaust heat in real time The liquid hydrogen evaporating capacity of hydrogen storage vessel processed, makes the consumption of hydrogen fuel amount balance of liquid hydrogen evaporating capacity and unmanned plane each flight operating mode, thus Effectively reduce the weight of hydrogen energy source unmanned plane fuel management system, improve the payload weight of unmanned plane, simplify actively vaporization Control, reduce the spill-out of liquid hydrogen.
For achieving the above object, the invention provides techniques below scheme: the liquid hydrogen vaporization of a kind of hydrogen energy source unmanned plane is controlled Method processed, comprises the following steps:
Step 1: determine hydrogen energy source unmanned plane power demand under each flight operating mode；
Step 2: according to the consumption of hydrogen fuel amount under engine test bench characteristic curve acquisition different capacity demand；
Step 3: determine the heat needed for the liquid hydrogen vaporization under hydrogen energy source unmanned plane consumption of hydrogen fuel amount；
Step 4: determine the heat transfer efficiency of hydrogen storage vessel；
Step 5: control to be delivered to the engine exhaust amount of hydrogen storage vessel, make hydrogen storage vessel liquid hydrogen evaporating capacity disappear with hydrogen fuel Consumption balances, particularly as follows: during unmanned plane cruising phase, the natural evaporating capacity of hydrogen storage vessel is in a basic balance with consumption of hydrogen fuel amount, Control to carry out trace regulation now by engine exhaust heat；Unmanned plane takes off or during ramp-up period, and electromotor is high-power defeated Going out, the natural evaporating capacity of hydrogen storage vessel is less than consumption of hydrogen fuel amount, increases liquid hydrogen evaporating capacity now by engine exhaust heat, meets Fuel consumption demand；When unmanned plane decline or landing period, electromotor small-power exports, if now the evaporating capacity of hydrogen storage vessel is big In consumption of hydrogen fuel amount, then discharge surplus hydrogen.
In step 1, flight control system collection the flying height of unmanned plane, flight speed, the appearance of unmanned plane are obtained The parameter such as state, engine speed, confirms the power P needed for unmanned plane according to flight performance data storehouse；
In step 2, consumption of hydrogen fuel amount m under electromotor different capacity is obtained according to engine test bench characteristic Map figure；
In step 3, the vaporization heat consumption of liquid hydrogen is: qVaporization=m Δ Hvap
Wherein:
ΔHvapFor the latent heat of vaporization dimension of hydrogen, KJ/kg；
ΔH v a p = 34551.2117 ( T c - T ) - 2031.7979 ( T c - T ) 2 + 43.74048 ( T c - T ) 3
In above formula:
T is the saturation temperature of liquid hydrogen；
TcCritical temperature for hydrogen；
In steps of 5, for making liquid hydrogen evaporating capacity balance with consumption of hydrogen fuel amount, then engine exhaust heat amount should be with vaporization Required heat is identical, i.e. there is below equation:
qVaporization=qWaste heat/η
qWaste heat=CpρVΔT
Then the exhaust volume needed for liquid hydrogen vaporization is:
Wherein:
CpFor the specific heat capacity of engine exhaust, J/ (kg.K)；ρ is the density of engine exhaust；
Δ T is the temperature difference of engine exhaust temperature and liquid hydrogen storage tank temperature；
η is hydrogen storage vessel heat transfer efficiency.
In described step 5, hydrogen storage vessel liquid hydrogen evaporating capacity balances with consumption of hydrogen fuel amount, refers to by engine exhaust heat Amount controls liquid hydrogen evaporating capacity；The volume of aerofluxus needed for heat of engine employing throttle valve control.
The beneficial effects of the present invention is:
By such scheme, it is different from existing hydrogen energy source unmanned plane fuel management method, it is allowed to hydrogen storage vessel has necessarily Seepage index (specific targets determine according to the characterisitic parameter of hydrogen energy source unmanned plane), use exhaust heat control liquid hydrogen evaporating capacity with Consumption of hydrogen fuel amount balances, and reduces the insulation requirement of LHC, thus reduces the deadweight of hydrogen storage vessel, simplifies hydrogen combustion The control of material management system, improves the payload weight of hydrogen energy source unmanned plane.
To sum up, the present invention utilizes engine exhaust heat to control liquid hydrogen evaporating capacity, regulates electromotor according to the consumption of hydrogen fuel Capacity, can carry out dynamic realtime control for different hydro Fuel Consumption, improve the utilization ratio of hydrogen energy source, reduce storage Hydrogen tank is conducted oneself with dignity, and provides reliable and feasible method for hydrogen energy source unmanned plane fuel management.
Accompanying drawing explanation
Fig. 1 is the method flow diagram of the present invention.
Detailed description of the invention
For ease of understanding, here in connection with accompanying drawing 1, the present invention is embodied as below step work and describes:
A kind of method of hydrogen energy source unmanned plane fuel management controlled based on liquid hydrogen vaporization, comprises the steps:
Step 1: determine hydrogen energy source unmanned plane power demand under each flight operating mode；
Step 2: according to the consumption of hydrogen fuel amount under engine test bench characteristic curve acquisition different capacity demand；
Step 3: determine the heat needed for the liquid hydrogen vaporization under hydrogen energy source unmanned plane consumption of hydrogen fuel amount；
Step 4: determine the heat transfer efficiency of hydrogen storage vessel；
Step 5: control to be delivered to the engine exhaust amount of hydrogen storage vessel, make hydrogen storage vessel liquid hydrogen evaporating capacity disappear with hydrogen fuel Consumption balances, particularly as follows: during unmanned plane cruising phase, the natural evaporating capacity of hydrogen storage vessel is in a basic balance with consumption of hydrogen fuel amount, Control to carry out trace regulation now by engine exhaust heat；Unmanned plane takes off or during ramp-up period, and electromotor is high-power defeated Going out, the natural evaporating capacity of hydrogen storage vessel is less than consumption of hydrogen fuel amount, increases liquid hydrogen evaporating capacity now by engine exhaust heat, meets Fuel consumption demand；When unmanned plane decline or landing period, electromotor small-power exports, if now the evaporating capacity of hydrogen storage vessel is big In consumption of hydrogen fuel amount, then discharge surplus hydrogen.
Wherein, for step 1, determine hydrogen energy source unmanned plane power demand P under each flight operating mode.Specifically used Time, mainly by the flight performance data (design phase can be obtained by wind tunnel test or CFD emulation) of unmanned plane, obtain Hydrogen Energy The power demand of each mission phase in source.
The external characteristic curve that the operation of step 2 then should be given with reference to electromotor producer, according to the dependency number of electromotor producer Carry out confirming consumption of hydrogen fuel amount m of electromotor under each power according to storehouse.
Heat needed for then liquid hydrogen vaporizes under this quality of step 3 is as follows:
The vaporization heat consumption of liquid hydrogen is: qVaporization=m Δ Hvap
Wherein:
ΔHvapFor the latent heat of vaporization dimension of hydrogen, KJ/kg；
ΔH v a p = 34551.2117 ( T c - T ) - 2031.7979 ( T c - T ) 2 + 43.74048 ( T c - T ) 3
In above formula:
T is the saturation temperature of liquid hydrogen；
TcCritical temperature for hydrogen.
Consumption of hydrogen fuel amount according to each mission phase in step 4, design has allowed certain seepage (liquid hydrogen nature evaporating capacity Demand when being slightly less than cruise) hydrogen storage vessel, confirm hydrogen storage vessel heat transfer efficiency η.
For making liquid hydrogen evaporating capacity balance with consumption of hydrogen fuel amount in step 5, then engine exhaust heat amount should be with vaporization institute The heat needed is identical, i.e. there is below equation:
qVaporization=qWaste heat/η
qWaste heat=CpρVΔT
Then the exhaust volume needed for liquid hydrogen vaporization is:
Wherein:
CpFor the specific heat capacity of engine exhaust, J/ (kg.K)；ρ is the density of engine exhaust；
Δ T is the temperature difference of engine exhaust temperature and liquid hydrogen storage tank temperature；
η is hydrogen storage vessel heat transfer efficiency.
By such scheme, it is different from existing hydrogen energy source unmanned plane fuel management method, it is allowed to hydrogen storage vessel has necessarily Seepage index (specific targets determine according to the characterisitic parameter of hydrogen energy source unmanned plane), use exhaust heat control liquid hydrogen evaporating capacity with Consumption of hydrogen fuel amount balances, and reduces the insulation requirement of LHC, thus reduces the deadweight of hydrogen storage vessel, simplifies hydrogen combustion The control of material management system, improves the payload weight of hydrogen energy source unmanned plane.
To sum up, the present invention utilizes engine exhaust heat to control liquid hydrogen evaporating capacity, regulates electromotor according to the consumption of hydrogen fuel Capacity, can carry out dynamic realtime control for different hydro Fuel Consumption, improve the utilization ratio of hydrogen energy source, reduce storage Hydrogen tank is conducted oneself with dignity, and provides reliable and feasible method for hydrogen energy source unmanned plane fuel management.

Claims (3)

1. the liquid hydrogen vaporization control method of a hydrogen energy source unmanned plane, it is characterised in that comprise the following steps:
Step 1: determine hydrogen energy source unmanned plane power demand under each flight operating mode；
Step 2: according to the consumption of hydrogen fuel amount under engine test bench characteristic curve acquisition different capacity demand；
Step 3: determine the heat needed for the liquid hydrogen vaporization under hydrogen energy source unmanned plane consumption of hydrogen fuel amount；
Step 4: determine the heat transfer efficiency of hydrogen storage vessel；
Step 5: control to be delivered to the engine exhaust amount of hydrogen storage vessel, make hydrogen storage vessel liquid hydrogen evaporating capacity and consumption of hydrogen fuel amount Balance, particularly as follows: during unmanned plane cruising phase, the natural evaporating capacity of hydrogen storage vessel is in a basic balance with consumption of hydrogen fuel amount, now Control to carry out trace regulation by engine exhaust heat；Unmanned plane takes off or during ramp-up period, the high-power output of electromotor, storage The natural evaporating capacity of hydrogen tank is less than consumption of hydrogen fuel amount, increases liquid hydrogen evaporating capacity now by engine exhaust heat, meets fuel Consumption requirements；When unmanned plane decline or landing period, electromotor small-power exports, if now the evaporating capacity of hydrogen storage vessel is more than hydrogen Fuel Consumption, then discharge surplus hydrogen.
The liquid hydrogen vaporization control method of hydrogen energy source unmanned plane the most according to claim 1, it is characterised in that:
In step 1, obtained the flying height of unmanned plane, flight speed, the attitude of unmanned plane by flight control system collection, sent out The parameters such as motivation rotating speed, confirm the power P needed for unmanned plane according to flight performance data storehouse；
In step 2, consumption of hydrogen fuel amount m under electromotor different capacity is obtained according to engine test bench characteristic Map figure；
In step 3, the vaporization heat consumption of liquid hydrogen is: qVaporization=m Δ Hvap
Wherein:
ΔHvapFor the latent heat of vaporization dimension of hydrogen, KJ/kg；
ΔH v a p = 34551.2117 ( T c - T ) - 2031.7979 ( T c - T ) 2 + 43.74048 ( T c - T ) 3
In above formula:
T is the saturation temperature of liquid hydrogen；
TcCritical temperature for hydrogen；
In steps of 5, for making liquid hydrogen evaporating capacity balance with consumption of hydrogen fuel amount, then engine exhaust heat amount should be required with vaporization Heat identical, i.e. there is below equation:
qVaporization=qWaste heat/η
qWaste heat=CpρVΔT
Then the exhaust volume needed for liquid hydrogen vaporization is:
Wherein:
CpFor the specific heat capacity of engine exhaust, J/ (kg.K)；ρ is the density of engine exhaust；
Δ T is the temperature difference of engine exhaust temperature and liquid hydrogen storage tank temperature；
η is hydrogen storage vessel heat transfer efficiency.
The liquid hydrogen vaporization control method of hydrogen energy source unmanned plane the most according to claim 2, it is characterised in that: described step 5 In, hydrogen storage vessel liquid hydrogen evaporating capacity balances with consumption of hydrogen fuel amount, refers to control liquid hydrogen evaporating capacity by engine exhaust heat； The volume of aerofluxus needed for heat of engine employing throttle valve control.
CN201610634367.8A 2016-08-04 2016-08-04 The liquid hydrogen of hydrogen energy source unmanned plane vaporizes control method Active CN106150762B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610634367.8A CN106150762B (en) 2016-08-04 2016-08-04 The liquid hydrogen of hydrogen energy source unmanned plane vaporizes control method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610634367.8A CN106150762B (en) 2016-08-04 2016-08-04 The liquid hydrogen of hydrogen energy source unmanned plane vaporizes control method

Publications (2)

Publication Number Publication Date
CN106150762A true CN106150762A (en) 2016-11-23
CN106150762B CN106150762B (en) 2018-12-07

Family

ID=57329233

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610634367.8A Active CN106150762B (en) 2016-08-04 2016-08-04 The liquid hydrogen of hydrogen energy source unmanned plane vaporizes control method

Country Status (1)

Country Link
CN (1) CN106150762B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109441678A (en) * 2018-10-15 2019-03-08 中国电子科技集团公司第三十八研究所 A kind of control method of piston power unmanned plane dynamical system
CN111661342A (en) * 2020-06-06 2020-09-15 河北柒壹壹玖工业自动化技术有限公司 Energy-saving hybrid unmanned aerial vehicle
CN113422087A (en) * 2021-05-07 2021-09-21 潍柴动力股份有限公司 Vehicle-mounted low-temperature liquid hydrogen fuel cell system and fuel cell heat exchange method
DE202021105654U1 (en) 2021-10-15 2022-01-18 Choren Industrietechnik GmbH Hydrogen fuel cell cargo drone with swappable hydrogen storage tanks

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003227363A (en) * 2002-02-04 2003-08-15 Hirotsugu Tsuji Low-pollution engine of car using hydrogen as fuel with auxiliary agent
CN101016871A (en) * 2006-12-11 2007-08-15 张红军 Assistant system used in flexible fuel combustion or fuel combustion under low temperature condition
JP2009078950A (en) * 2007-09-26 2009-04-16 Nippon Oil Corp Supply method of hydrogen fuel and bi-fuel engine car
KR20130097437A (en) * 2012-02-24 2013-09-03 대우조선해양 주식회사 Fuel gas supply system utilizing waste heat of ship whrs system
CN103375286A (en) * 2012-04-16 2013-10-30 北京奥润泰克教育科技有限责任公司 Adaptive gas fuel control system
CN105020032A (en) * 2015-07-31 2015-11-04 毛志明 Novel self-adaptation gas fuel control system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003227363A (en) * 2002-02-04 2003-08-15 Hirotsugu Tsuji Low-pollution engine of car using hydrogen as fuel with auxiliary agent
CN101016871A (en) * 2006-12-11 2007-08-15 张红军 Assistant system used in flexible fuel combustion or fuel combustion under low temperature condition
JP2009078950A (en) * 2007-09-26 2009-04-16 Nippon Oil Corp Supply method of hydrogen fuel and bi-fuel engine car
KR20130097437A (en) * 2012-02-24 2013-09-03 대우조선해양 주식회사 Fuel gas supply system utilizing waste heat of ship whrs system
CN103375286A (en) * 2012-04-16 2013-10-30 北京奥润泰克教育科技有限责任公司 Adaptive gas fuel control system
CN105020032A (en) * 2015-07-31 2015-11-04 毛志明 Novel self-adaptation gas fuel control system

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109441678A (en) * 2018-10-15 2019-03-08 中国电子科技集团公司第三十八研究所 A kind of control method of piston power unmanned plane dynamical system
CN109441678B (en) * 2018-10-15 2020-05-19 中国电子科技集团公司第三十八研究所 Control method of piston power unmanned aerial vehicle power system
CN111661342A (en) * 2020-06-06 2020-09-15 河北柒壹壹玖工业自动化技术有限公司 Energy-saving hybrid unmanned aerial vehicle
CN113422087A (en) * 2021-05-07 2021-09-21 潍柴动力股份有限公司 Vehicle-mounted low-temperature liquid hydrogen fuel cell system and fuel cell heat exchange method
CN113422087B (en) * 2021-05-07 2022-08-23 潍柴动力股份有限公司 Vehicle-mounted low-temperature liquid hydrogen fuel cell system and fuel cell heat exchange method
DE202021105654U1 (en) 2021-10-15 2022-01-18 Choren Industrietechnik GmbH Hydrogen fuel cell cargo drone with swappable hydrogen storage tanks

Also Published As

Publication number Publication date
CN106150762B (en) 2018-12-07

Similar Documents

Publication Publication Date Title
Tashie-Lewis et al. Hydrogen production, distribution, storage and power conversion in a hydrogen economy-a technology review
CN106150762A (en) The liquid hydrogen vaporization control method of hydrogen energy source unmanned plane
Verstraete The Potential of Liquid Hydrogen for long range aircraft propulsion
Renau et al. Use of fuel cell stacks to achieve high altitudes in light unmanned aerial vehicles
CN106628114A (en) Integrated unmanned aerial vehicle wing
WO2007106988A1 (en) Multi-fuel storage system and method of storing fuel in a multi-fuel storage system
US10910838B1 (en) Energy management device, hydrogen utilization system, non-transitory computer readable medium, and energy management method
Swider-Lyons et al. Liquid hydrogen fuel system for small unmanned air vehicles
CN106240784B (en) A kind of long endurance dirigible
Garceau et al. Performance test of a 6 L liquid hydrogen fuel tank for unmanned aerial vehicles
Kang et al. Thermal design analysis of a 1 L cryogenic liquid hydrogen tank for an unmanned aerial vehicle
Hughes et al. Fuel Burn Reduction of Hybrid Aircraft Employing an Exhaust Heat Harvesting System
US20230024316A1 (en) Environmentally Friendly Aircraft
Millis et al. Hydrogen fuel system design trades for high-altitude long-endurance remotely-operated aircraft
Zhou et al. Development of hydrogen fuel cell technology and prospect for its military application
Michel et al. Liquid hydrogen technologies for mobile use
Leachman et al. Catalytic pressurization of liquid hydrogen fuel tanks for unmanned aerial vehicles
CN209027148U (en) A kind of liquid cryogenic fluid storage system
US11933325B1 (en) Thermal pumping of liquid hydrogen
Ewald et al. Cryogenic equipment of liquid hydrogen powered automobiles
Krus et al. Hybrid electric propulsion system optimization for a commuter aircraft
US20230392551A1 (en) Hydrogen aircraft with cryo-compressed storage
Moffitt A methodology for the validated design space exploration of fuel cell powered unmanned aerial vehicles
Dudek et al. Some aspects of gaseous hydrogen storage and the performance of a 10-kW Polymer Electrolyte Membrane Fuel Cells stack as part of a hybrid power source
CN215636528U (en) Double-component low-pressure metal hydride hydrogen storage device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant