GB1073144A - Improvements in propellant supply to electro-thermic ejectors - Google Patents
Improvements in propellant supply to electro-thermic ejectorsInfo
- Publication number
- GB1073144A GB1073144A GB32280/64A GB3228064A GB1073144A GB 1073144 A GB1073144 A GB 1073144A GB 32280/64 A GB32280/64 A GB 32280/64A GB 3228064 A GB3228064 A GB 3228064A GB 1073144 A GB1073144 A GB 1073144A
- Authority
- GB
- United Kingdom
- Prior art keywords
- outlet
- container
- hydride
- lithium
- gaseous hydrogen
- 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.)
- Expired
Links
- 239000003380 propellant Substances 0.000 title 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract 18
- 229910000103 lithium hydride Inorganic materials 0.000 abstract 10
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract 8
- 229910052739 hydrogen Inorganic materials 0.000 abstract 8
- 239000001257 hydrogen Substances 0.000 abstract 8
- 239000007788 liquid Substances 0.000 abstract 8
- 229910052744 lithium Inorganic materials 0.000 abstract 8
- 230000005484 gravity Effects 0.000 abstract 4
- 150000004678 hydrides Chemical class 0.000 abstract 4
- 239000011810 insulating material Substances 0.000 abstract 4
- 239000000843 powder Substances 0.000 abstract 4
- 238000000354 decomposition reaction Methods 0.000 abstract 2
- 238000005485 electric heating Methods 0.000 abstract 2
- 239000012530 fluid Substances 0.000 abstract 2
- 238000010438 heat treatment Methods 0.000 abstract 2
- 239000000155 melt Substances 0.000 abstract 2
- 238000002844 melting Methods 0.000 abstract 2
- 230000008018 melting Effects 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 2
- 238000005192 partition Methods 0.000 abstract 2
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03H—PRODUCING A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03H1/00—Using plasma to produce a reactive propulsive thrust
- F03H1/0093—Electro-thermal plasma thrusters, i.e. thrusters heating the particles in a plasma
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
- B64G1/40—Arrangements or adaptations of propulsion systems
- B64G1/411—Electric propulsion
- B64G1/415—Arcjets or resistojets
-
- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B27/00—Compositions containing a metal, boron, silicon, selenium or tellurium or mixtures, intercompounds or hydrides thereof, and hydrocarbons or halogenated hydrocarbons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K5/00—Plants including an engine, other than a gas turbine, driving a compressor or a ducted fan
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03H—PRODUCING A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03H1/00—Using plasma to produce a reactive propulsive thrust
- F03H1/0006—Details applicable to different types of plasma thrusters
- F03H1/0012—Means for supplying the propellant
-
- 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
- Y02T50/00—Aeronautics or air transport
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Organic Chemistry (AREA)
- Remote Sensing (AREA)
- Aviation & Aerospace Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Jet Pumps And Other Pumps (AREA)
Abstract
<PICT:1073144/C6-C7/1> The invention relates to a method of a decomposing lithium hydride. The device shown in Fig.1 is suitable for use in an environment where gravity exists, and comprises a container 1 formed by three walls 1a, 1b, 1c which define spaces 7 and 3 therebetween, an electric heating element being disposed within the inner space 3 and heat insulating material being disposed within the outer space 7. A cover 2 containing heat insulating material is provided to close the container. An outlet duct 8 is provided from the lower part of the container and an outlet duct 9 from the upper part. A pyrometer 11 is also provided. The container is filled with lithium hydride in powder form and current supplied to the heating coil whereupon the hydride first melts and then decomposes, the gaseous hydrogen passing out through the outlet 9 and the liquid lithium passing through outlet 8. The device in Fig. 2 (not shown) is utilized when no gravitational field exists, as in space, and comprises a container 1d in which the lithium hydride in powder form is contained. The container comprises a flexible diaphragm to which fluid under pressure is applied to pressurize the lithium hydride which is thereby urged towards the duct 24 where it is heated by means of an electric coil 4 or by other means. The hydride is thereby brought to a temperature between its melting point and its temperature of decomposition and is then pumped by the pump 25 to the helicoidal chamber 26 where it is further heated by an electric coil 28. The liquid lithium is separated out by the centrifugal action and passes out through outlet 8a while the less dense gaseous hydrogen passes out through the axial outlet 9a. The device in Fig. 3 (not shown) also operates in the absence of gravity, the powdered lithium hydride being pressurized into the convergent outlet 15 where it is heated by the coil 4, the liquid lithium and gaseous hydrogen passing into the lower compartment 21 of a vessel 19, the liquid lithium passing therefrom through the outlet 8b and the gaseous hydrogen passing through the perforated partition 22 to the compartment 20 from which it discharges through outlet 9b.ALSO:<PICT:1073144/C1/1> The invention relates to a method of decomposing lithium hydride. The device shown in Fig. 1 is suitable for use in an environment where gravity exists, and comprises a container 1 formed by three walls 1a, 1b, 1c which define spaces 3 and 7 therebetween, an electric heating element being disposed within the inner space 3 and heat insulating material being disposed within the outer space 7. A cover 2 containing heat insulating material is provided to close the container. An outlet duct 8 is provided from the lower part of the container and an outlet duct 9 from the upper part. A pyrometer 11 is also provided. The container is filled with lithium hydride in powder form and current supplied to the heating coil whereupon the hydride first melts and then decomposes, the gaseous hydrogen passing out through the outlet 9 and the liquid lithium passing through outlet 8. The device in Fig. 2 (not shown) is utilized when no gravitational field exists, as in space, and comprises a container 1a in which the lithium hydride in powder form is contained. The container comprises a flexible diaphragm to which fluid under pressure is applied to pressurize the lithium hydride which is thereby urged towards the duct 24 where it is heated by means of an electric coil 4 or by other means. The hydride is thereby brought to a temperature between its melting point and its temperature of decomposition and is then pumped by the pump 25 to the helicoidal chamber 26 where it is further heated by an electric coil 28. The liquid lithium is separated out by the centrifugal action and passes out through outlet 8a while the less dense gaseous hydrogen passes out through the axial outlet 9a. The device in Fig. 3 (not shown) also operates in the absence of gravity, the powdered lithium hydride being pressurized into the convergent outlet 15 where it is heated by the coil 4, the liquid lithium and gaseous hydrogen passing into the lower compartment 21 of a vessel 19, the liquid lithium passing therefrom through the outlet 8b and the gaseous hydrogen passing through the perforated partition 22 to the compartment 20 from which it discharges through outlet 9b.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR945032A FR1375834A (en) | 1963-08-19 | 1963-08-19 | Improvements to the propellant supply for electro-thermal ejectors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1073144A true GB1073144A (en) | 1967-06-21 |
Family
ID=8810747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB32280/64A Expired GB1073144A (en) | 1963-08-19 | 1964-08-07 | Improvements in propellant supply to electro-thermic ejectors |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3350884A (en) |
| DE (1) | DE1464037B2 (en) |
| FR (1) | FR1375834A (en) |
| GB (1) | GB1073144A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2236557A (en) * | 1988-02-10 | 1991-04-10 | Olin Corp | Arcjet thruster |
| US20140306065A1 (en) * | 2013-03-15 | 2014-10-16 | 8 Rivers Capital, Llc | Launch vehicle and system and method for economically efficient launch thereof |
| EP2602465A3 (en) * | 2011-12-06 | 2018-02-21 | The Boeing Company | Methods and systems for propelling an external powered vehicle |
| US10669046B2 (en) | 2017-03-02 | 2020-06-02 | 8 Rivers Capital, Llc | Systems and methods for improving efficiency of electroantimagnetic launchers |
| US11667405B2 (en) | 2016-12-13 | 2023-06-06 | 8 Rivers Capital, Llc | Vehicle launch system and method |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3439501A (en) * | 1967-11-09 | 1969-04-22 | Us Air Force | Gas actuated vapor feed system |
| US3731047A (en) * | 1971-12-06 | 1973-05-01 | Mc Donnell Douglas Corp | Plasma heating torch |
| US3940474A (en) * | 1974-08-06 | 1976-02-24 | The United States Of America As Represented By The Secretary Of The Army | Generation of hydrogen |
| US4608821A (en) * | 1984-07-31 | 1986-09-02 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Heat exchanger for electrothermal devices |
| US4926632A (en) * | 1988-02-01 | 1990-05-22 | Olin Corporation | Performance arcjet thruster |
| DE4122756A1 (en) * | 1991-07-10 | 1993-02-11 | Erno Raumfahrttechnik Gmbh | ENGINE FOR SPACING BODIES |
| US6125882A (en) * | 1998-12-16 | 2000-10-03 | Kong; Carl Cheung Tung | Fluid transfer system |
| DE102007002161B4 (en) * | 2007-01-15 | 2011-11-10 | Sergei Afanassev | Electric rocket engine with powdered fuel |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3082314A (en) * | 1959-04-20 | 1963-03-19 | Shin Meiwa Kogyo Kabushiki Kai | Plasma arc torch |
| US3149459A (en) * | 1959-07-30 | 1964-09-22 | Ulam Juliusz | Electric arc type propulsion motor |
| DE1248820B (en) * | 1962-04-02 | |||
| US3159967A (en) * | 1963-03-12 | 1964-12-08 | James E Webb | Variable thrust ion engine utilizing thermally decomposable solid fuel |
-
1963
- 1963-08-19 FR FR945032A patent/FR1375834A/en not_active Expired
-
1964
- 1964-08-05 US US387702A patent/US3350884A/en not_active Expired - Lifetime
- 1964-08-07 GB GB32280/64A patent/GB1073144A/en not_active Expired
- 1964-08-18 DE DE19641464037 patent/DE1464037B2/en not_active Withdrawn
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2236557A (en) * | 1988-02-10 | 1991-04-10 | Olin Corp | Arcjet thruster |
| GB2236557B (en) * | 1988-02-10 | 1994-01-19 | Olin Corp | An arcjet thruster. |
| EP2602465A3 (en) * | 2011-12-06 | 2018-02-21 | The Boeing Company | Methods and systems for propelling an external powered vehicle |
| US20140306065A1 (en) * | 2013-03-15 | 2014-10-16 | 8 Rivers Capital, Llc | Launch vehicle and system and method for economically efficient launch thereof |
| US20140306064A1 (en) * | 2013-03-15 | 2014-10-16 | Palmer Labs, Llc | Launch vehicle and system and method for economically efficient launch thereof |
| US9463881B2 (en) * | 2013-03-15 | 2016-10-11 | 8 Rivers Capital, Llc | Launch vehicle and system and method for economically efficient launch thereof |
| US9617016B2 (en) * | 2013-03-15 | 2017-04-11 | 8 Rivers Capital, Llc | Launch vehicle and system and method for economically efficient launch thereof |
| US9862506B2 (en) | 2013-03-15 | 2018-01-09 | 8 Rivers Capital, Llc | Launch vehicle and system and method for economically efficient launch thereof |
| US10202209B2 (en) | 2013-03-15 | 2019-02-12 | 8 Rivers Capital, Llc | Launch vehicle and system and method for economically efficient launch thereof |
| US10562648B2 (en) | 2013-03-15 | 2020-02-18 | 8 Rivers Capital, Llc | Launch vehicle and system and method for economically efficient launch thereof |
| US11667405B2 (en) | 2016-12-13 | 2023-06-06 | 8 Rivers Capital, Llc | Vehicle launch system and method |
| US10669046B2 (en) | 2017-03-02 | 2020-06-02 | 8 Rivers Capital, Llc | Systems and methods for improving efficiency of electroantimagnetic launchers |
Also Published As
| Publication number | Publication date |
|---|---|
| US3350884A (en) | 1967-11-07 |
| DE1464037B2 (en) | 1970-07-02 |
| DE1464037A1 (en) | 1969-02-06 |
| FR1375834A (en) | 1964-10-23 |
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