JPH02119917U - - Google Patents
Info
- Publication number
- JPH02119917U JPH02119917U JP2906089U JP2906089U JPH02119917U JP H02119917 U JPH02119917 U JP H02119917U JP 2906089 U JP2906089 U JP 2906089U JP 2906089 U JP2906089 U JP 2906089U JP H02119917 U JPH02119917 U JP H02119917U
- Authority
- JP
- Japan
- Prior art keywords
- sound
- absorbing
- partition
- panels
- width direction
- 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
Links
- 238000005192 partition Methods 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 description 1
Landscapes
- Details Of Reciprocating Pumps (AREA)
- Exhaust Silencers (AREA)
Description
第1図は本考案による吸音スプリツタの一実施
例の構造組成を示し、aはその要部構造斜視図、
bはその側断面図、第2図は他の実施例の構造組
成を示し、aはその要部構造斜視図、bはその側
断面図、第3図は本考案による吸音スプリツタを
形成する吸音パネル内の音波の伝ぱ状態を示す模
式図、第4図は実験の一例を示し、aはその供試
吸音スプリツタの配置及び各部寸法図、bはa図
の概略斜視図、第5図は実験にて得られた減音量
[dB]−周波数[Hz]の関係図、第6図は従来
の吸音スプリツタ、殊に表面材タイプの構造組成
を示し、aはその要部構造斜視図、bはその側断
面図、第7図は従来の吸音スプリツタにおける減
音量[dB]−周波数[Hz]の関係図、第8図は
その表面材タイプにおける吸音パネル内の音波の
伝ぱ状態を示す模式図である。
1……吸音板、2……吸音パネル組立枠、3…
…吸音パネル、4……中央仕切、5……流れ方向
仕切、6……巾方向仕切、7……外枠。
FIG. 1 shows the structural composition of an embodiment of the sound-absorbing splitter according to the present invention, and a is a perspective view of the main structure;
b is a side sectional view thereof, FIG. 2 is a structural composition of another embodiment, a is a perspective view of the principal structure, b is a side sectional view thereof, and FIG. 3 is a sound absorbing structure forming a sound absorbing splitter according to the present invention. A schematic diagram showing the propagation state of sound waves in the panel, Figure 4 shows an example of the experiment, a is the arrangement and dimensions of each part of the sample sound-absorbing splitter, b is a schematic perspective view of diagram a, and Figure 5 is the experiment. Fig. 6 shows the structural composition of a conventional sound-absorbing splitter, especially the surface material type, where a is a perspective view of the structure of the main part, and b is a diagram of the relationship between the reduced sound level [dB] and frequency [Hz] obtained in Its side sectional view, Fig. 7 is a diagram showing the relationship between volume reduction [dB] and frequency [Hz] in a conventional sound-absorbing splitter, and Fig. 8 is a schematic diagram showing the propagation state of sound waves within the sound-absorbing panel for that type of surface material. be. 1...Sound absorbing board, 2...Sound absorbing panel assembly frame, 3...
... Sound absorbing panel, 4 ... Center partition, 5 ... Flow direction partition, 6 ... Width direction partition, 7 ... Outer frame.
Claims (1)
音パネルを対向して設置し、該吸音パネルの外周
囲を囲んで外枠を設けると共に、吸音パネル間に
夫々音波流れ方向に沿つた中央仕切、横切る方向
に沿つた流れ方向仕切、及び吸音パネル間巾方向
に沿つた巾方向仕切を設け、前記パネル間距離を
2bとしたとき、流れ方向仕切ピツチPs、並び
に巾方向仕切ピツチPwをPs,Pw≦4bとし
たことを特徴とする吸音スプリツタ。 Sound-absorbing panels made by assembling a plurality of sound-absorbing plates with a sound-absorbing panel assembly frame are installed facing each other, an outer frame is provided surrounding the outer periphery of the sound-absorbing panels, and a central partition is provided between each of the sound-absorbing panels along the direction of sound wave flow. , a flow direction partition along the transverse direction, and a width direction partition along the sound absorbing panel width direction, and when the distance between the panels is 2b, the flow direction partition pitch Ps and the width direction partition pitch Pw are Ps, A sound-absorbing splitter characterized in that Pw≦4b.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2906089U JPH0724573Y2 (en) | 1989-03-16 | 1989-03-16 | Sound absorbing splitter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2906089U JPH0724573Y2 (en) | 1989-03-16 | 1989-03-16 | Sound absorbing splitter |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH02119917U true JPH02119917U (en) | 1990-09-27 |
JPH0724573Y2 JPH0724573Y2 (en) | 1995-06-05 |
Family
ID=31252934
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2906089U Expired - Lifetime JPH0724573Y2 (en) | 1989-03-16 | 1989-03-16 | Sound absorbing splitter |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0724573Y2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0518505A (en) * | 1991-03-08 | 1993-01-26 | Ngk Insulators Ltd | Split type silencer for steam |
WO2013164197A3 (en) * | 2012-04-30 | 2014-06-19 | Siemens Aktiengesellschaft | Sound damper for evaporation channels in steam power plants with air condensers |
-
1989
- 1989-03-16 JP JP2906089U patent/JPH0724573Y2/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0518505A (en) * | 1991-03-08 | 1993-01-26 | Ngk Insulators Ltd | Split type silencer for steam |
WO2013164197A3 (en) * | 2012-04-30 | 2014-06-19 | Siemens Aktiengesellschaft | Sound damper for evaporation channels in steam power plants with air condensers |
Also Published As
Publication number | Publication date |
---|---|
JPH0724573Y2 (en) | 1995-06-05 |
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