JP2964707B2 - Gas pressurized liquid supply tank used in microgravity environment - Google Patents
Gas pressurized liquid supply tank used in microgravity environmentInfo
- Publication number
- JP2964707B2 JP2964707B2 JP3155703A JP15570391A JP2964707B2 JP 2964707 B2 JP2964707 B2 JP 2964707B2 JP 3155703 A JP3155703 A JP 3155703A JP 15570391 A JP15570391 A JP 15570391A JP 2964707 B2 JP2964707 B2 JP 2964707B2
- Authority
- JP
- Japan
- Prior art keywords
- liquid
- supply tank
- gas
- liquid supply
- pressurized liquid
- 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 - Lifetime
Links
- 239000007788 liquid Substances 0.000 title claims description 76
- 230000005486 microgravity Effects 0.000 title claims description 6
- 238000002347 injection Methods 0.000 claims description 24
- 239000007924 injection Substances 0.000 claims description 24
- 230000002093 peripheral effect Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 102200068707 rs281865211 Human genes 0.000 description 1
Classifications
-
- 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
- B64G1/402—Propellant tanks; Feeding propellants
Description
【０００１】[0001]
【産業上の利用分野】本発明は、宇宙機や宇宙ステーシ
ョン等の微小重力環境で使用するガス加圧式液供給タン
クに関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a gas pressurized liquid supply tank used in a microgravity environment such as a spacecraft or a space station.
【０００２】[0002]
【従来の技術】図２の縦断面図に示すように、球形を有
したガス加圧式の液供給タンク１の上部と下部とにガス
注入口２、液流出口３を対向して設け、液供給タンク１
内に燃料、熱交換用流体等を貯留し、原動機、熱交換器
等の所要箇所に、液流出口３から液供給タンク１内に貯
留してある液体を適宜供給することは一般に広く行われ
ている。2. Description of the Related Art As shown in a vertical sectional view of FIG. 2, a gas injection port 2 and a liquid outlet 3 are provided at the upper and lower parts of a gas pressurized liquid supply tank 1 having a spherical shape. Supply tank 1
It is generally widely practiced to store fuel, heat exchange fluid, and the like therein, and to appropriately supply the liquid stored in the liquid supply tank 1 from the liquid outlet 3 to required portions such as a motor and a heat exchanger. ing.
【０００３】そして液供給タンク１内の液体から気化し
たガスは液供給タンク１の上部に溜り、液供給タンク１
の下部には液５が溜って液面は安定した水平面となり、
液流出口３からはガスの混入しない液５だけが所要箇所
に供給される。The gas vaporized from the liquid in the liquid supply tank 1 accumulates in the upper portion of the liquid supply tank 1 and is
Liquid 5 accumulates at the lower part of the surface, and the liquid surface becomes a stable horizontal surface,
From the liquid outlet 3, only the liquid 5 in which gas is not mixed is supplied to a required portion.
【０００４】[0004]
【発明が解決しようとする課題】ところが、宇宙機や宇
宙ステーション等のように、微小重力環境で図２に示す
ような球形のガス加圧式液供給タンク１を使用すると、
液に対する重力が微小となるため液面が不安定となり、
ガス注入口２から注入される注入ガスＧの圧力を受けて
液面４は図２のように極端な凹状になる。そして液５が
液流出口３から流出する前に注入ガスＧが流出したり、
液５中に注入ガスＧが混入した状態で液流出口３から流
出するようになる。However, when a spherical gas pressurized liquid supply tank 1 as shown in FIG. 2 is used in a microgravity environment such as a spacecraft or a space station,
The liquid level becomes unstable because the gravity against the liquid is very small,
Under the pressure of the injection gas G injected from the gas injection port 2, the liquid surface 4 becomes extremely concave as shown in FIG. And before the liquid 5 flows out of the liquid outlet 3, the injection gas G flows out,
The liquid 5 flows out from the liquid outlet 3 in a state in which the injection gas G is mixed.
【０００５】このように液流出口３から注入ガスＧが流
出したり、流出する液５に注入ガスＧが混入している
と、液５を使用する機器の性能低下や故障が生じ、液５
が燃料の場合には事故になることも考えられる。If the injected gas G flows out of the liquid outlet 3 or the injected gas G is mixed with the outflowing liquid 5 as described above, the performance of equipment using the liquid 5 deteriorates or a failure occurs.
If fuel is used, an accident may occur.
【０００６】本発明は液供給タンク内の液面の安定化を
図り、液流出口から注入ガスや注入ガスが混入した液が
流出しないようにした微小重力環境下で使用するガス加
圧式液供給タンクを提供することを目的とするものであ
る。According to the present invention, a gas pressurized liquid supply used in a microgravity environment in which a liquid level in a liquid supply tank is stabilized so that an injection gas or a liquid mixed with the injection gas does not flow out from a liquid outlet. It is intended to provide a tank.
【０００７】[0007]
【課題を解決するための手段】本発明の微小重力環境で
使用するガス加圧式液供給タンクは、ガス注入口と液流
出口とを対向して設けたガス加圧式液供給タンクにおい
て、液供給タンク内に、前記ガス注入口に対向して設け
られ、該ガス注入口からの注入ガスを液供給タンクの内
壁に沿う方向に偏向させるバッフル板を有することを特
徴とするものである。A gas pressurized liquid supply tank used in a microgravity environment according to the present invention is a gas pressurized liquid supply tank provided with a gas inlet and a liquid outlet facing each other. A baffle plate is provided in the tank so as to face the gas inlet, and deflects the injected gas from the gas inlet in a direction along the inner wall of the liquid supply tank.
【０００８】[0008]
【作用】ガス注入口から液供給タンク内に注入された注
入ガスは、バッフル板に当たって液供給タンクの内壁に
沿って流れるように偏向され、注入ガスにより液の中央
に圧力を加えることがなくなって液面は安定し、液流出
口からは液のみが流出するようになる。The injection gas injected into the liquid supply tank from the gas injection port is deflected so as to hit the baffle plate and flow along the inner wall of the liquid supply tank, so that the injection gas does not apply pressure to the center of the liquid. The liquid level is stabilized, and only the liquid flows out from the liquid outlet.
【０００９】[0009]
【実施例】以下、本発明の実施例を図を参照して説明す
る。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.
【００１０】図１は本発明の一実施例の縦断面図であっ
て、球形を有したガス加圧式の液供給タンク１の上部と
下部とに対向して、ガス注入口２、液流出口３が設けら
れている。FIG. 1 is a longitudinal sectional view of an embodiment of the present invention, in which a gas injection port 2 and a liquid outflow port are opposed to an upper part and a lower part of a gas supply type liquid supply tank 1 having a spherical shape. 3 are provided.
【００１１】液供給タンク１内には、前記ガス注入口２
とその近傍部分に対向するように所要の間隔Ｌを有して
バッフル板６が配置され、その周縁が複数の支持杆７に
より液供給タンク１に固定されている。バッフル板６は
球面の一部を円形に切り取った球面板の形状を有してお
り、ガス注入口２から注入される注入ガスＧを液供給タ
ンク１の内壁に沿って流すように偏向する作用を有す
る。バッフル板６は、すべての位置で液供給タンク１の
内面に対して均一な間隔Ｌを有した曲面を有していても
良く、又周縁部に向うに従って間隔Ｌが徐々に小さくな
るような曲面を有していても良い。In the liquid supply tank 1, the gas injection port 2 is provided.
A baffle plate 6 is arranged at a required distance L so as to face the portion near the liquid supply tank 1 and a peripheral edge thereof is fixed to the liquid supply tank 1 by a plurality of support rods 7. The baffle plate 6 has a shape of a spherical plate obtained by cutting a part of the spherical surface into a circular shape, and deflects the injected gas G injected from the gas injection port 2 so as to flow along the inner wall of the liquid supply tank 1. Having. The baffle plate 6 may have a curved surface having a uniform interval L with respect to the inner surface of the liquid supply tank 1 at all positions, or a curved surface in which the interval L gradually decreases toward the peripheral edge. May be provided.
【００１２】次に、作用を説明する。Next, the operation will be described.
【００１３】ガス注入口２から液供給タンク１内に注入
された注入ガスＧはバッフル板６の中心部に当たり、バ
ッフル板６の周縁部に向けて拡散して流れを方向付けら
れた後、液供給タンク１の内壁面に沿って流れ、液５の
方に達することになる。The injection gas G injected into the liquid supply tank 1 from the gas injection port 2 hits the center of the baffle plate 6 and diffuses toward the peripheral edge of the baffle plate 6 to direct the flow. It flows along the inner wall surface of the supply tank 1 and reaches the liquid 5.
【００１４】このように液供給タンク１の内壁面に沿っ
て液５の方に流れる注入ガスＧの流体力により、液面４
は平滑化されて液５は液供給タンク１内の液流出口３の
方に集まり、注入ガスＧが混入しない液５のみが液流出
口３から流出することになる。ガス注入口２から注入さ
れる注入ガスＧの流量が多く、液供給タンク１の内壁面
に沿って液５の方に流れる注入ガスＧが多いほど液面４
を平滑化する力が大きくなり、液５を早く流出させる場
合に有効である。As described above, due to the fluid force of the injection gas G flowing toward the liquid 5 along the inner wall surface of the liquid supply tank 1, the liquid level 4
Is smoothed and the liquid 5 collects toward the liquid outlet 3 in the liquid supply tank 1, and only the liquid 5 into which the injection gas G is not mixed flows out from the liquid outlet 3. The flow rate of the injection gas G injected from the gas injection port 2 is large, and the more the injection gas G flowing toward the liquid 5 along the inner wall surface of the liquid supply tank 1, the higher the liquid level 4
The force for smoothing is increased, which is effective when the liquid 5 flows out quickly.
【００１５】[0015]
【発明の効果】本発明では、ガス注入口から注入される
注入ガスがバッフル板に当たり液供給タンクの内壁面に
沿って流れ、液面を平滑化して液を液流出口の方に集め
るため、液流出口から注入ガスや注入ガスが混入した液
が流出することがなく、液のみを流出させることができ
る効果がある。According to the present invention, the injected gas injected from the gas injection port hits the baffle plate and flows along the inner wall surface of the liquid supply tank, smoothes the liquid surface and collects the liquid toward the liquid outlet. There is an effect that only the liquid can flow out without flowing out of the injection gas or the liquid mixed with the injection gas from the liquid outlet.
【図１】本発明の一実施例の縦断面図である。FIG. 1 is a longitudinal sectional view of one embodiment of the present invention.
【図２】従来の液供給タンクの縦断面図である。FIG. 2 is a longitudinal sectional view of a conventional liquid supply tank.
１ 液供給タンク ２ ガス注入口 ３ 液流出口 ６ バッフル板 Ｇ 注入ガス Reference Signs List 1 liquid supply tank 2 gas inlet 3 liquid outlet 6 baffle plate G injected gas
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.6，ＤＢ名) B64G 1/40 F17C 9/00 ──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. 6 , DB name) B64G 1/40 F17C 9/00
Claims (1)
たガス加圧式液供給タンクにおいて、液供給タンク内
に、前記ガス注入口に対向して設けられ、該ガス注入口
からの注入ガスを液供給タンクの内壁に沿う方向に偏向
させるバッフル板を有することを特徴とする微小重力環
境で使用するガス加圧式液供給タンク。1. A gas pressurized liquid supply tank provided with a gas inlet and a liquid outlet facing each other, provided in the liquid supply tank so as to face the gas inlet, A gas pressurized liquid supply tank for use in a microgravity environment, comprising a baffle plate for deflecting an injection gas in a direction along an inner wall of the liquid supply tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3155703A JP2964707B2 (en) | 1991-05-30 | 1991-05-30 | Gas pressurized liquid supply tank used in microgravity environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3155703A JP2964707B2 (en) | 1991-05-30 | 1991-05-30 | Gas pressurized liquid supply tank used in microgravity environment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04353100A JPH04353100A (en) | 1992-12-08 |
| JP2964707B2 true JP2964707B2 (en) | 1999-10-18 |
Family
ID=15611674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3155703A Expired - Lifetime JP2964707B2 (en) | 1991-05-30 | 1991-05-30 | Gas pressurized liquid supply tank used in microgravity environment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2964707B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007005539B3 (en) * | 2007-02-03 | 2008-08-14 | Astrium Gmbh | Tank for storage of cryogenic liquids or storable liquid fuels |
| DE102008026320B3 (en) * | 2008-06-03 | 2009-12-03 | Astrium Gmbh | Tank for storage of cryogenic liquids and storable fuels |
| JP2023140782A (en) * | 2022-03-23 | 2023-10-05 | 川崎重工業株式会社 | Cooling down method of liquefied gas storage tank |
-
1991
- 1991-05-30 JP JP3155703A patent/JP2964707B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04353100A (en) | 1992-12-08 |
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