JPH03126786U - - Google Patents
Info
- Publication number
- JPH03126786U JPH03126786U JP1990036420U JP3642090U JPH03126786U JP H03126786 U JPH03126786 U JP H03126786U JP 1990036420 U JP1990036420 U JP 1990036420U JP 3642090 U JP3642090 U JP 3642090U JP H03126786 U JPH03126786 U JP H03126786U
- Authority
- JP
- Japan
- Prior art keywords
- microgrooves
- frictional resistance
- reducing device
- resistance reducing
- pitch
- 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
- 239000012530 fluid Substances 0.000 claims 1
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- Y02T70/00—Maritime or waterways transport
- Y02T70/10—Measures concerning design or construction of watercraft hulls
Landscapes
- Laminated Bodies (AREA)
Description
第１図は本考案の一実施例としての摩擦抵抗低
減装置を示す斜視図であり、第２，３図は本考案
の摩擦抵抗低減装置を船舶に適用した場合を示す
もので、第２図はその船体側面図、第３図はその
船底下面図であり、第４図は従来の摩擦抵抗低減
装置を示す斜視図である。 １……微小溝、２……船体、３……プロペラ、
４……舵、５……水面、ｈ，ｈ１，ｈ２……微小
溝の深さ、Ｓ，Ｓ１，Ｓ２……微小溝のピツチ。
減装置を示す斜視図であり、第２，３図は本考案
の摩擦抵抗低減装置を船舶に適用した場合を示す
もので、第２図はその船体側面図、第３図はその
船底下面図であり、第４図は従来の摩擦抵抗低減
装置を示す斜視図である。 １……微小溝、２……船体、３……プロペラ、
４……舵、５……水面、ｈ，ｈ１，ｈ２……微小
溝の深さ、Ｓ，Ｓ１，Ｓ２……微小溝のピツチ。
Claims (1)
- 流体に接する物体表面に、流れの方向にほぼ平
行な多数の微小溝をそなえ、上記微小溝の深さお
よびピツチの少なくとも一方が、上流側よりも下
流側で漸次大きくなるように設定されていること
を特徴とする、摩擦抵抗低減装置。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990036420U JPH03126786U (ja) | 1990-04-04 | 1990-04-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990036420U JPH03126786U (ja) | 1990-04-04 | 1990-04-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03126786U true JPH03126786U (ja) | 1991-12-20 |
Family
ID=31542634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990036420U Pending JPH03126786U (ja) | 1990-04-04 | 1990-04-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03126786U (ja) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002266816A (ja) * | 2001-03-07 | 2002-09-18 | Japan Atom Energy Res Inst | 乱流摩擦抵抗低減表面 |
| KR101478183B1 (ko) * | 2012-12-28 | 2014-12-31 | 신승우 | 유체 저항이 감소되는 선체를 가진 워터젯 추진 선박 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6341296A (ja) * | 1986-05-22 | 1988-02-22 | ロ−ルス・ロイス・ピ−エルシ− | 流体力学的壁面 |
-
1990
- 1990-04-04 JP JP1990036420U patent/JPH03126786U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6341296A (ja) * | 1986-05-22 | 1988-02-22 | ロ−ルス・ロイス・ピ−エルシ− | 流体力学的壁面 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002266816A (ja) * | 2001-03-07 | 2002-09-18 | Japan Atom Energy Res Inst | 乱流摩擦抵抗低減表面 |
| KR101478183B1 (ko) * | 2012-12-28 | 2014-12-31 | 신승우 | 유체 저항이 감소되는 선체를 가진 워터젯 추진 선박 |