SU731075A1 - Upstream axial-flow runner - Google Patents
Upstream axial-flow runner Download PDFInfo
- Publication number
- SU731075A1 SU731075A1 SU782665818A SU2665818A SU731075A1 SU 731075 A1 SU731075 A1 SU 731075A1 SU 782665818 A SU782665818 A SU 782665818A SU 2665818 A SU2665818 A SU 2665818A SU 731075 A1 SU731075 A1 SU 731075A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- flow runner
- upstream axial
- flow
- axial
- upstream
- Prior art date
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- Structures Of Non-Positive Displacement Pumps (AREA)
Description
При вращении осевого предвключенного колеса поток жидкости натекает на лопасть по направлению стрелки Л.When the axial wheel is rotated, the fluid flow flows onto the blade in the direction of the arrow L.
Наход щиес в жидкости кавитациоиные каверны отклон ютс выступом от поверхности лопасти 2 в зоне 3 кавитационного разрушени в межканальиое Пространство перед зоной 3, где и происходи захлопывание кавитационных каверн, не разрушающее при этом поверхности лопасти ZThe cavitation cavities in the liquid are deflected by a protrusion from the surface of the blade 2 in the zone 3 of cavitation destruction into the interchannel space before zone 3, where the cavitation cavities collapse, which does not destroy the surface of the blade Z
Выполнение лопастей 2 с криволинейной средней линией и с максимальным ирогибом в текущем сечении, олределен-ным по приведенной формзле, улучшает услови согласовани потока с .решеткой лопастей, уменьшает ударные .потери .и веро тность отрыва потока в области входных кромок, что повыщает устойчивость колеса к кавитационному :разрушению на частичных подачах .Making blades 2 with a curvilinear midline and maximum irogib in the current section, defined by the reduced mold, improves the conditions for matching the flow with the blades, reduces impact losses and the probability of flow separation in the area of the input edges, which increases the stability of the wheel to cavitation: destruction on partial feeds.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU782665818A SU731075A1 (en) | 1978-09-13 | 1978-09-13 | Upstream axial-flow runner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU782665818A SU731075A1 (en) | 1978-09-13 | 1978-09-13 | Upstream axial-flow runner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU731075A1 true SU731075A1 (en) | 1980-04-30 |
Family
ID=20785959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU782665818A SU731075A1 (en) | 1978-09-13 | 1978-09-13 | Upstream axial-flow runner |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU731075A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4975023A (en) * | 1988-07-13 | 1990-12-04 | Nkk Corporation | Low-resistance hydrofoil |
-
1978
- 1978-09-13 SU SU782665818A patent/SU731075A1/en active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4975023A (en) * | 1988-07-13 | 1990-12-04 | Nkk Corporation | Low-resistance hydrofoil |
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