JPS61194796U - - Google Patents
Info
- Publication number
- JPS61194796U JPS61194796U JP7929585U JP7929585U JPS61194796U JP S61194796 U JPS61194796 U JP S61194796U JP 7929585 U JP7929585 U JP 7929585U JP 7929585 U JP7929585 U JP 7929585U JP S61194796 U JPS61194796 U JP S61194796U
- Authority
- JP
- Japan
- Prior art keywords
- pressure pulsation
- resonant
- piping
- frequency
- surging
- 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.)
- Pending
Links
- 230000010349 pulsation Effects 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 11
- 230000002123 temporal effect Effects 0.000 description 1
Landscapes
- Control Of Non-Positive-Displacement Pumps (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
- Pipe Accessories (AREA)
Description
第１図ないし第５図は本考案の１実施例を示し
、第１図は配管系統図、第２図は第１図に示す配
管系に生ずる圧力脈動の分布を示す線図、第３図
は共振状況を説明する模式図、第４図は圧力脈動
の時間的変化を示す線図、第５図は特性曲線図で
ある。第６図は一般的なターボ流体機械の特性線
図、第７図は従来のサージング域縮小装置の１例
を示す配管系統図、第８図は第７図に示す装置の
特性線図、第９図は従来のサージング域縮小装置
の他の例を示す配管系統図、第１０図は第９図に
示す装置の特性線図である。
２…ターボ流体機械、７…共振配管。
Figures 1 to 5 show one embodiment of the present invention, Figure 1 is a piping system diagram, Figure 2 is a diagram showing the distribution of pressure pulsations occurring in the piping system shown in Figure 1, and Figure 3 is a diagram showing the distribution of pressure pulsations occurring in the piping system shown in Figure 1. 4 is a schematic diagram illustrating the resonance situation, FIG. 4 is a diagram showing temporal changes in pressure pulsation, and FIG. 5 is a characteristic curve diagram. Fig. 6 is a characteristic diagram of a general turbo fluid machine, Fig. 7 is a piping system diagram showing an example of a conventional surging area reduction device, Fig. 8 is a characteristic diagram of the device shown in Fig. 7, FIG. 9 is a piping system diagram showing another example of the conventional surging area reduction device, and FIG. 10 is a characteristic diagram of the device shown in FIG. 2...Turbo fluid machine, 7...Resonance piping.
Claims (1)
体機械の低流量域にて発生するサージングの自励
振動による圧力脈動が最大となる位置の付近に共
振配管を接続するとともにこの共振配管が上記圧
力脈動の周波数と一致する共鳴周波数を有し、か
つ、上記圧力脈動に対し半波長の位相差を有して
共振するように構成したことを特徴とするターボ
流体機械のサージング域縮小装置。 Resonant piping is connected to a fluid piping system including a turbo fluid machine near the position where the pressure pulsation due to self-excited vibration of surging occurring in the low flow area of the turbo fluid machine is maximum, and this resonant piping is used to suppress the pressure pulsation. 1. A surging region reduction device for a turbofluid machine, characterized in that it has a resonant frequency that matches the frequency of , and is configured to resonate with a phase difference of half a wavelength with respect to the pressure pulsation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7929585U JPS61194796U (en) | 1985-05-29 | 1985-05-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7929585U JPS61194796U (en) | 1985-05-29 | 1985-05-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61194796U true JPS61194796U (en) | 1986-12-04 |
Family
ID=30624075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7929585U Pending JPS61194796U (en) | 1985-05-29 | 1985-05-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61194796U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008095892A (en) * | 2006-10-13 | 2008-04-24 | Fuji Koki Corp | Flow control valve |
-
1985
- 1985-05-29 JP JP7929585U patent/JPS61194796U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008095892A (en) * | 2006-10-13 | 2008-04-24 | Fuji Koki Corp | Flow control valve |
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