CN106194552A - A kind of axial flow hydraulic turbine utilizing power generation with marine energy - Google Patents
A kind of axial flow hydraulic turbine utilizing power generation with marine energy Download PDFInfo
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- CN106194552A CN106194552A CN201511010358.3A CN201511010358A CN106194552A CN 106194552 A CN106194552 A CN 106194552A CN 201511010358 A CN201511010358 A CN 201511010358A CN 106194552 A CN106194552 A CN 106194552A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
- F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
- F03B13/14—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy
- F03B13/141—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy with a static energy collector
- F03B13/142—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy with a static energy collector which creates an oscillating water column
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
- F03B3/12—Blades; Blade-carrying rotors
- F03B3/121—Blades, their form or construction
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Hydraulic Turbines (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The present invention relates to a kind of axial flow hydraulic turbine utilizing power generation with marine energy, it is characterized in that, it includes water inlet section (4-1), upper stator (4-2), runner (4-3), lower stator (4-4) and outlet section (4-5), described upper stator (4-2) is arranged between water inlet section (4-1) and runner (4-3), and lower stator (4-4) is arranged between runner (4-3) and outlet section (4-5)；The aperture size of described upper stator (4-2) and lower stator (4-4) is controlled by intelligence guide vane opening controller (7), this intelligence guide vane opening controller (7) is according to flow and the head situation flowing through the hydraulic turbine in real time, it is automatically adjusted guide vane opening, makes hydraulic turbine Maximum Power Output and peak efficiency.The present invention has the remarkable results such as, device effective time length low to head requirement and good stability, it is adaptable to substitute the axial flow hydraulic turbine of existing various more type wave electric generator.
Description
Technical field
The invention belongs to fluid machinery and Hydraulic and Hydro-Power Engineering equipment technical field, particularly relate to one and utilize ocean energy
The axial flow hydraulic turbine of generating.
Background technology
Traditional energy will be exhausted and bring serious environmental problem, in the urgent need to finding and exploitation is alternative new
The type energy.World ocean aboundresources, its Wave contains huge energy.Utilize electricity generation by sea waves, both need not fuel,
Effect on environment is the least simultaneously, has great value of exploiting and utilizing.
Chinese patent application 201320442966.1 " offshore type oscillating water column TRT " discloses one and can float over
The offshore type oscillating water column TRT that any position in waters generates electricity to utilize wave to carry out, under wave action, ripple
Wave enters air chamber through wave import and forms the water column of up-down vibration, and water column is made to make the gas in air chamber past during up-down vibration motion
The multiple gas outlet by air chamber upper end, gas drives turbine to rotate when reciprocating through gas outlet, and turbine drives electromotor to send out
Electricity.When this device uses, flexible property is good, but owing to air vane conversion efficiency is low, it is total that the existence of air chamber also can reduce device
Efficiency.Simultaneously in the case of rips, this device generating extremely unstable.The most whole device wave power conversion rate is low, output
Little.
Chinese patent application 201320156401.7 " fluid pressure type water-surface generating device " disclose a kind of utilize wave hang down
Straight displacement, can be converted to mechanical energy by vertical wave, drives the device of turbine generation, improves wave energy conversion efficiency.But
Owing to movable part is too much, structure is complicated, destroys the most under the wave action, disablement, and is difficult to dimension
Repair and protect
Chinese patent application 201310316659.3 discloses one " the most unrestrained formula Wave energy electric generator ", collects including wave energy
System, electricity generation system and certainly open and close electric-control system, the arrangement achieves the dynamic accumulation of energy of more wave type TRT and stable electricity
Power exports.But owing to head is required higher by the hydraulic turbine of this device, as there is efficiency and relatively low asking of exerting oneself when low water head
Topic.
In sum, existing wave-power device generally exists that wave power conversion rate is low, output is little, poor stability, dress
It is set effective the defects such as the working time is short, how to overcome the deficiencies in the prior art to become current fluid machinery and Hydraulic and Hydro-Power Engineering
One of emphasis difficult problem urgently to be resolved hurrily in equipment technical field.
Summary of the invention
It is an object of the invention to provide a kind of axle utilizing power generation with marine energy for overcoming the deficiency existing for prior art
Flow water turbine, the present invention can be automatically adjusted guide vane opening according to flowing through flow and the head situation of the hydraulic turbine in real time, make water
Turbine Maximum Power Output and peak efficiency, it is adaptable to substitute the axial-flow wheel of existing various more type wave electric generator
Machine.
According to the present invention propose a kind of axial flow hydraulic turbine utilizing power generation with marine energy, it is characterised in that it include into
Mouth of a river section, upper stator, runner, lower stator and outlet section, described upper stator is arranged between water inlet section and runner, lower stator
It is arranged between runner and outlet section；Described upper stator and under lead leaf divergence size by intelligence guide vane opening controller control
System, this intelligence guide vane opening controller, according to flowing through flow and the head situation of the hydraulic turbine in real time, is automatically adjusted guide vane opening, makes
Hydraulic turbine Maximum Power Output and peak efficiency；Described outlet section is elliptic cross-section, and outlet section distalmost end ellipse cuts
The short axle in face is golden section with the ratio of major axis, i.e. from the short axle of outlet section distalmost end elliptic cross-section and the ratio of major axis in
Linear increment, the ratio to the outlet section short axle of most proximal end elliptic cross-section with major axis is changed into 1, i.e. outlet section most proximal end is oval
Tee section is changed into reverse circular cross-section.
The principle that realizes of the present invention is: sea water converges also at the upper stator of axial flow hydraulic turbine through hydroturbine water intake mouth section
Enter the runner envelope of the hydraulic turbine, water impact runner bucket, drive axial flow hydraulic turbine to export by runner bucket conversion energy
Axle rotates, and is that hydraulic turbine kinetic energy drives electrical power generators by the potential energy converting and energy in cistern, and current through lower stator, pass through water outlet again
Mouth section flows to sea；The Sealing Surface that the stator of the described hydraulic turbine is constituted and unit rotary centerline are unsettled cross-distribution, due to
The aggregate efficiency using bilateral stator that generating set is generated electricity is greatly improved.
The present invention compared with prior art its remarkable advantage is:
One is the axial flow hydraulic turbine utilizing power generation with marine energy that the present invention proposes, it is possible to according to flowing through the hydraulic turbine in real time
Flow and head situation, be automatically adjusted guide vane opening, makes hydraulic turbine Maximum Power Output and peak efficiency so that subsequent power generation machine
The aggregate efficiency of group generating is greatly improved.
Two be the runner of described outlet section be elliptic cross-section, the short axle of outlet section distalmost end elliptic cross-section and length
The ratio of axle is golden section；From the ratio linear increment of the short axle of distalmost end ellipse with major axis, short in the cross section at lower stator rear
Axle is changed into 1 with the ratio of major axis, is i.e. changed into reverse circular cross-section by elliptic cross-section, greatly reduces three-dimensional modeling and manufacture
Difficulty, thus ensure current smooth, smooth and easy and flowing symmetry in oval runner so that unit overall power generation efficiency is further
Improve.
Three is a diameter of 0.8m of turbine blade that the present invention provides, it is adaptable to scope is the head of 1m～2.5m, averagely
Overtopping wave is 1m～2.5m；It is little that it solves the existing apparatus scope of application well, function singleness, the problem of inefficiency.
Four is that the present invention has the remarkable results such as, system production time length low to head requirement and good stability, suitable
For substituting the axial flow hydraulic turbine of existing various more type wave electric generator.
Accompanying drawing explanation
Fig. 1 is the structural representation of the application system of a kind of axial flow hydraulic turbine utilizing power generation with marine energy that the present invention proposes
Figure.
Fig. 2 is the structural representation of a kind of axial flow hydraulic turbine utilizing power generation with marine energy that the present invention proposes.
Fig. 3 is stator signal on the hydraulic turbine of a kind of axial flow hydraulic turbine utilizing power generation with marine energy that the present invention proposes
Figure.
Fig. 4 is to cut in the middle of stator on the hydraulic turbine of a kind of axial flow hydraulic turbine utilizing power generation with marine energy that the present invention proposes
The schematic diagram of face molded line.
Fig. 5 be a kind of axial flow hydraulic turbine utilizing power generation with marine energy that the present invention proposes the hydraulic turbine under stator signal
Figure.
Fig. 6 be a kind of axial flow hydraulic turbine utilizing power generation with marine energy that the present invention proposes the hydraulic turbine under cut in the middle of stator
The schematic diagram of face molded line.
Fig. 7 is the rotary wheel of water turbine schematic diagram of a kind of axial flow hydraulic turbine utilizing power generation with marine energy that the present invention proposes.
Fig. 8 is the rotary wheel of water turbine radial direction of a kind of axial flow hydraulic turbine utilizing power generation with marine energy that the present invention proposes
Molded line schematic diagram at 125mm.
Fig. 9 is the rotary wheel of water turbine radial direction of a kind of axial flow hydraulic turbine utilizing power generation with marine energy that the present invention proposes
Molded line schematic diagram at 175mm.
Figure 10 is the rotary wheel of water turbine radial direction of a kind of axial flow hydraulic turbine utilizing power generation with marine energy that the present invention proposes
Molded line schematic diagram at 225mm.
Figure 11 is the rotary wheel of water turbine radial direction of a kind of axial flow hydraulic turbine utilizing power generation with marine energy that the present invention proposes
Molded line schematic diagram at 275mm.
Figure 12 is the hydraulic turbine outlet section of a kind of axial flow hydraulic turbine utilizing power generation with marine energy that the present invention proposes
Runner schematic diagram.
Detailed description of the invention
With embodiment, the detailed description of the invention of the present invention is described in further detail below in conjunction with the accompanying drawings.
In conjunction with Fig. 1, a kind of axial flow hydraulic turbine utilizing power generation with marine energy that the present invention proposes is applicable to utilize ocean energy
The hydraulic turbine system of generating, this system includes poly-ripple unit (2), cistern (3) and the hydraulic turbine (4), described poly-ripple unit foundation
It is flaring automatic hypertonic ramp that real-time ocean wave (1) resource parameters forms profile, this automatic hypertonic ramp and ocean
One opening width of connection, is then gradually tapered up and is connected with cistern (3) by abutment wall；Described cistern (3) passes through flow control
Device processed controls the water-retention unit with outlet passage, and outlet passage mouth is provided with the release potential energy downwardly extended and promotes the hydraulic turbine (4)
The outlet pipe of rotary electrification；The described hydraulic turbine (4) foundation flows through flow and the head situation of the hydraulic turbine (4) in real time, intelligence lead
Leaf opening controller (7) is automatically adjusted guide vane opening, makes the hydraulic turbine (4) Maximum Power Output and peak efficiency.
In conjunction with Fig. 2, a kind of axial flow hydraulic turbine utilizing power generation with marine energy that the present invention proposes, it includes water inlet section
(4-1), upper stator (4-2), runner (4-3), lower stator (4-4) and outlet section (4-5), described upper stator (4-2) is arranged on
Between water inlet section (4-1) and runner (4-3), lower stator (4-4) is arranged between runner (4-3) and outlet section (4-5)；Institute
The aperture size stating stator (4-2) and lower stator (4-4) is controlled by intelligence guide vane opening controller (7), and this intelligence stator is opened
Degree controller (7) foundation flows through flow and the head situation of the hydraulic turbine in real time, is automatically adjusted guide vane opening, makes the hydraulic turbine export
High-power and peak efficiency.
The further preferred scheme of a kind of axial flow hydraulic turbine utilizing power generation with marine energy that the present invention proposes is:
In conjunction with Figure 12, described outlet section (4-5) is elliptic cross-section, outlet section (4-1) distalmost end elliptic cross-section
The ratio of short axle and major axis be golden section, i.e. from the short axle of outlet section (4-1) distalmost end elliptic cross-section and major axis it
Being incremented by than linearly, the ratio to the short axle of outlet section (4-1) most proximal end elliptic cross-section with major axis is changed into 1, i.e. outlet section
(4-1) most proximal end elliptic cross-section is changed into reverse circular cross-section.
In conjunction with Fig. 3 and Fig. 4, the Sealing Surface that the stator of the described hydraulic turbine (4) is constituted and unit rotary centerline are unsettled friendship
Fork distribution, wherein goes up on the molded line of stator (4-2) intermediate cross-section 20 somes coordinate parameters such as table 1 below institute in rectangular coordinate system
Show:
Table 1
| Sequence number | X | Y | Sequence number | X | Y |
| 101 | -115.0645 | 172.5781 | 111 | -94.4827 | 148.0646 |
| 102 | -85.7159 | 186.7123 | 112 | -64.9359 | 161.7898 |
| 103 | -56.3673 | 200.8465 | 113 | -35.7856 | 176.3331 |
| 104 | -28.1037 | 217.0361 | 114 | -8.3024 | 193.74705 |
| 105 | -1.4009 | 235.6744 | 115 | 19.1808 | 211.161 |
| 106 | 23.1264 | 257.096 | 116 | 43.7081 | 232.5826 |
| 107 | 45.6266 | 280.6463 | 117 | 66.2084 | 256.1328 |
| 108 | 66.5398 | 305.6221 | 118 | 87.1215 | 281.1087 |
| 109 | 86.3829 | 331.4596 | 119 | 106.9647 | 306.9462 |
| 110 | 105.6908 | 357.7009 | 120 | 126.2725 | 333.1875 |
Upper stator upper surface curvilinear equation after matching is:
Y=-1.842 × 10-10x5-5.923×10-8x4+7.203×10-6x3+0.003403x2+0.7965x+236.8,
Upper stator lower surface curvilinear equation after matching is:
Y=-5.693 × 10-10x5+5.686×10-9x4+1.573×10-5x3+0.002316x2+0.6587x+198.2。
In conjunction with Fig. 5 and Fig. 6,20 somes coordinate in rectangular coordinate system on the molded line of described lower stator (4-4) intermediate cross-section
Parameter is as shown in table 2 below:
Table 2
Lower stator upper surface curvilinear equation after matching is:
Y=-155.7735,
Lower stator lower surface curvilinear equation after matching is:
Y=-118.8231.
In conjunction with Fig. 7, Fig. 8, Fig. 9, Figure 10 and Figure 11, described runner (4-3) is circumferentially uniformly arranged blade, described blade
It is shaped as spatial warping type, the coordinate parameters table as follows of radially different distance aerofoil profile molded line curve top, cross section branch
Show:
At unit rotary centerline radially 125mm as shown in table 3:
Table 3
| Sequence number | X | Y | Sequence number | X | Y |
| 301 | -189.9405 | 35.9852 | 311 | -184.9593 | 9.3844 |
| 302 | -155.3051 | 31.811 | 312 | -156.529 | -11.4139 |
| 303 | -121.6746 | 18.1459 | 313 | -124.0475 | -27.2907 |
| 304 | -89.2125 | 1.8496 | 314 | -92.0354 | -44.073 |
| 305 | -56.7211 | -14.3851 | 315 | -62.5883 | -64.9936 |
| 306 | -24.8525 | -31.7555 | 316 | -35.6444 | -89.1018 |
| 307 | 3.6518 | -54.2364 | 317 | -6.0182 | -109.6694 |
| 308 | 31.8293 | -77.1538 | 318 | 27.2336 | -123.8018 |
| 309 | 61.7222 | -97.7634 | 319 | 61.5641 | -135.1418 |
| 310 | 93.8041 | -114.7502 | 320 | 96.2196 | -145.4519 |
Runner upper surface curvilinear equation after matching is:
Y=5.082 × 10-10x5+1.445×10-7x4+8.014×10-6x3-0.001727x2-0.7459x-50.79, intends
Runner lower surface curvilinear equation after conjunction is:
Y=-1.011 × 10-9x5-2.158×10-7x4+1.439×10-5x3+0.004048x2-0.5859x-112.7；
At unit rotary centerline radially 175mm as shown in table 4:
Table 4
| Sequence number | X | Y | Sequence number | X | Y |
| 401 | -236.9729 | 23.0195 | 411 | -232.5395 | -3.5668 |
| 402 | -195.5651 | 20.3649 | 412 | -195.4656 | -21.1661 |
| 403 | -154.0755 | 11.56 | 413 | -156.8853 | -37.8249 |
| 404 | -113.7086 | -1.4603 | 414 | -118.5486 | -55.0372 |
| 405 | -74.6421 | -17.9966 | 415 | -80.193 | -72.2041 |
| 406 | -36.8231 | -37.2263 | 416 | -41.2346 | -87.9452 |
| 407 | 0.1999 | -57.9568 | 417 | -1.2384 | -100.8 |
| 408 | 37.7879 | -77.6164 | 418 | 39.087 | -112.61 |
| 409 | 76.861 | -94.1408 | 419 | 79.0774 | -125.5228 |
| 410 | 116.9541 | -108.014 | 420 | 119.4639 | -137.1238 |
Runner upper surface curvilinear equation after matching is:
Y=-2.617 × 10-11x5-9.032×10-10x4+5.938×10-6x3+0.0002771x2-0.5377x-
57.54；
Runner lower surface curvilinear equation after matching is:
Y=-1.858 × 10-11x5-1.183×10-8x4-1.23×10-6x3+0.0005397x2-0.3228x-101.5；
At unit rotary centerline radially 225mm as shown in table 5:
Table 5
Runner upper surface curvilinear equation after matching is:
Y=5.38 × 10-12x5+5.551×10-9x4+2.024×10-6x3-0.0001994x2-0.3611x-53.34；
Runner lower surface curvilinear equation after matching is:
Y=-4.102 × 10-11x5-1.145×10-8x4+1.631×10-6x3+0.0005829x2-0.2869x-97.57；
At unit rotary centerline radially 275mm as shown in table 6:
Table 6
| Sequence number | X | Y | Sequence number | X | Y |
| 601 | -276.2578 | 0.3066 | 611 | -272.5231 | -26.3515 |
| 602 | -226.7491 | -4.48 | 612 | -225.7469 | -43.2832 |
| 603 | -177.7593 | -14.5881 | 613 | -177.432 | -56.2353 |
| 604 | -129.1873 | -26.582 | 614 | -128.4556 | -66.4304 |
| 605 | -80.5228 | -38.1915 | 615 | -79.2595 | -75.5288 |
| 606 | -31.616 | -48.7358 | 616 | -30.167 | -85.1666 |
| 607 | 17.2657 | -59.3872 | 617 | 18.8229 | -95.3162 |
| 608 | 65.8477 | -71.3408 | 618 | 67.8768 | -105.1407 |
| 609 | 114.5413 | -82.8277 | 619 | 117.1725 | -113.6772 |
| 610 | 163.5694 | -92.7798 | 620 | 166.6023 | -121.3844 |
Runner upper surface curvilinear equation after matching is:
Y=2.709 × 10-11x5+4.885×10-9x4-8.872×10-7x3-0.0001219x2-0.2235x-55.74；
Runner lower surface curvilinear equation after matching is:
Y=-6.485 × 10-12x5+2.76×10-9x4+6.504×10-7x3-2.27×10-5x2-0.2017x-91.38。
The explanation being not directed in the detailed description of the invention of the present invention belongs to technology well known in the art, refers to known technology
It is carried out.
The present invention, through validation trial, achieves satisfied trial effect.
Above detailed description of the invention and embodiment are a kind of axial-flow type water utilizing power generation with marine energy proposing the present invention
The concrete support of turbine technological thought, it is impossible to limit protection scope of the present invention, every technology proposed according to the present invention with this
Thought, any equivalent variations done on the basis of the technical program or the change of equivalence, all still fall within technical solution of the present invention
The scope of protection.
Claims (5)
1. the axial flow hydraulic turbine utilizing power generation with marine energy, it is characterised in that it includes water inlet section (4-1), upper stator
(4-2), runner (4-3), lower stator (4-4) and outlet section (4-5), described upper stator (4-2) is arranged on water inlet section (4-1)
With between runner (4-3), lower stator (4-4) is arranged between runner (4-3) and outlet section (4-5)；Described upper stator (4-2)
Control by intelligence guide vane opening controller (7) with the aperture size of lower stator (4-4), this intelligence guide vane opening controller (7) root
Flow through flow and the head situation of the hydraulic turbine time factually, be automatically adjusted guide vane opening, make hydraulic turbine Maximum Power Output and the highest
Efficiency.
A kind of axial flow hydraulic turbine utilizing power generation with marine energy the most according to claim 1, it is characterised in that described water outlet
Mouth section (4-5) is elliptic cross-section, and the short axle of outlet section (4-5) distalmost end elliptic cross-section is golden section with the ratio of major axis
Ratio, is i.e. linearly incremented by with the ratio of major axis from the short axle of outlet section (4-5) distalmost end elliptic cross-section, to outlet section (4-
5) the short axle of most proximal end elliptic cross-section is changed into 1 with the ratio of major axis, i.e. outlet section (4-5) most proximal end elliptic cross-section is changed into
Reversely circular cross-section.
A kind of axial flow hydraulic turbine utilizing power generation with marine energy the most according to claim 1, it is characterised in that described water wheels
The Sealing Surface that the stator of machine (4) is constituted and unit rotary centerline are unsettled cross-distribution, wherein go up stator (4-2) intermediate cross-section
On molded line, 20 somes coordinate parameters in rectangular coordinate system is as shown in table 1 below:
Table 1
Upper stator upper surface curvilinear equation after matching is:
Y=-1.842 × 10-10x5-5.923×10-8x4+7.203×10-6x3+0.003403x2+0.7965x+236.8,
Upper stator lower surface curvilinear equation after matching is:
Y=-5.693 × 10-10x5+5.686×10-9x4+1.573×10-5x3+0.002316x2+0.6587x+198.2。
A kind of axial flow hydraulic turbine utilizing power generation with marine energy the most according to claim 1, it is characterised in that lead under described
On the molded line of leaf (4-4) intermediate cross-section, 20 somes coordinate parameters in rectangular coordinate system is as shown in table 2 below:
Table 2
Lower stator upper surface curvilinear equation after matching is:
Y=-155.7735,
Lower stator lower surface curvilinear equation after matching is:
Y=-118.8231.
A kind of axial flow hydraulic turbine utilizing power generation with marine energy the most according to claim 1, it is characterised in that described runner
(4-3) being circumferentially uniformly arranged blade, the spatial warping type that is shaped as of described blade, radially different distance cross section aerofoil profile molded line is bent
The coordinate parameters of line top branch represents as follows:
At unit rotary centerline radially 125mm as shown in table 3:
Table 3
Runner upper surface curvilinear equation after matching is:
Y=5.082 × 10-10x5+1.445×10-7x4+8.014×10-6x3-0.001727x2-0.7459x-50.79,
Runner lower surface curvilinear equation after matching is:
Y=-1.011 × 10-9x5-2.158×10-7x4+1.439×10-5x3+0.004048x2-0.5859x-112.7；
At unit rotary centerline radially 175mm as shown in table 4:
Table 4
Runner upper surface curvilinear equation after matching is:
Y=-2.617 × 10-11x5-9.032×10-10x4+5.938×10-6x3+0.0002771x2-0.5377x-57.54；
Runner lower surface curvilinear equation after matching is:
Y=-1.858 × 10-11x5-1.183×10-8x4-1.23×10-6x3+0.0005397x2-0.3228x-101.5；
At unit rotary centerline radially 225mm as shown in table 5:
Table 5
Runner upper surface curvilinear equation after matching is:
Y=5.38 × 10-12x5+5.551×10-9x4+2.024×10-6x3-0.0001994x2-0.3611x-53.34；
Runner lower surface curvilinear equation after matching is:
Y=-4.102 × 10-11x5-1.145×10-8x4+1.631×10-6x3+0.0005829x2-0.2869x-97.57；
At unit rotary centerline radially 275mm as shown in table 6:
Table 6
Runner upper surface curvilinear equation after matching is:
Y=2.709 × 10-11x5+4.885×10-9x4-8.872×10-7x3-0.0001219x2-0.2235x-55.74；
Runner lower surface curvilinear equation after matching is:
Y=-6.485 × 10-12x5+2.76×10-9x4+6.504×10-7x3-2.27×10-5x2-0.2017x-91.38。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511010358.3A CN106194552A (en) | 2015-12-29 | 2015-12-29 | A kind of axial flow hydraulic turbine utilizing power generation with marine energy |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511010358.3A CN106194552A (en) | 2015-12-29 | 2015-12-29 | A kind of axial flow hydraulic turbine utilizing power generation with marine energy |
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| Publication Number | Publication Date |
|---|---|
| CN106194552A true CN106194552A (en) | 2016-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201511010358.3A Pending CN106194552A (en) | 2015-12-29 | 2015-12-29 | A kind of axial flow hydraulic turbine utilizing power generation with marine energy |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111156129A (en) * | 2020-01-15 | 2020-05-15 | 长沙理工大学 | Wave current power generation device suitable for coral reef terrain |
| CN114352458A (en) * | 2022-01-26 | 2022-04-15 | 扬州大学 | Fermat propeller blade ocean current energy power generation device with energy collection function |
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| CN114352458A (en) * | 2022-01-26 | 2022-04-15 | 扬州大学 | Fermat propeller blade ocean current energy power generation device with energy collection function |
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Application publication date: 20161207 |