嵣崧嵤崻嵛৫৅峘হ୻

➨ 㻣 ᅇ 㻱㻲㻰㻛㻯㻲㻰 ⼥ྜ䝽䞊䜽䝅䝵䝑䝥 㻡㻥

৔ ઍ

੎ਗ਼嵉嵤崓峑ඞ岰૴৬ਃஓ ৫৅峕ણ৷峃峵()'&)'

嵣崧嵤崻嵛৫৅峘হ୻

嵣਷੤৫৅峘হ୻

嵣௯੤৫৅峘হ୻

()'&)'੆়峕ৌ峃峵਋ୄ峘峨峒峫

© 2015 Toshiba Corporation

੎ਗ਼嵉嵤崓峕岴岻峵()'&)'峘ણ৷峒

ୖ਻岴峲峝੆়ૼ୒峕ৌ峃峵਋ୄ峕峎岮峐

ઙૄভ঺ ূ൫ ਗ਼ৡ嵣঺ভ崟崡崮嵈ૼ୒৫৅崣嵛崧嵤 ৚ૡਃஓ৫৅৖ ৗ崐崵嵓崖嵣৅ਗ਼ਃஓૼ୒૿ਊ

৔ি ໄຨ

© 2015 Toshiba Corporation

Ᏹᐂ⯟✵◊✲㛤Ⓨᶵᵓ≉ู㈨ᩱ䚷㻶㻭㼄㻭㻙㻿㻼㻙㻝㻡㻙㻜㻜㻢 㻢㻜

© 2015 Toshiba Corporation

੎ਗ਼嵉嵤崓峑ඞ岰૴৬ਃஓ

ਉ৕ৡ ਷ৡ ௯ৡ

Ⴊਞ崧嵤崻嵛67 崔崡崧嵤崻嵛*7

ౌৡ

崧嵤崻嵛৫৅峘হ୻ ਷੤৫৅峘হ୻ ௯੤৫৅峘হ୻

ਉ৕ৡ ਷ৡ

Ⴊਞ崧嵤崻嵛67 崔崡崧嵤崻嵛*7

ౌৡ

৔৖૴؜ਞั੸ৼ

ਗ৖૴؜౐ৼ

௯ৡ

ਗ৖૴؜౐ৼ

© 2015 Toshiba Corporation

৔ ઍ

ਸ਼৚()'&)'੆়嵗嵤崗崟嵏崫崿

੎ਗ਼嵉嵤崓峑ඞ岰૴৬ਃஓ ৫৅峕ણ৷峃峵()'&)'

嵣崧嵤崻嵛৫৅峘হ୻

嵣਷੤৫৅峘হ୻

嵣௯੤৫৅峘হ୻

()'&)'੆়峕ৌ峃峵਋ୄ峘峨峒峫

➨ 㻣 ᅇ 㻱㻲㻰㻛㻯㻲㻰 ⼥ྜ䝽䞊䜽䝅䝵䝑䝥 㻢㻝

崧嵤崻嵛৫৅峘হ୻ ਷੤৫৅峘হ୻ ௯੤৫৅峘হ୻

ూବ عႪਞ崧嵤崻嵛ع

y ൜಼岵峳ফ岶৽ૌ峁峲岰峒峁峐岮峵؝ਉ৅༎௮૨଩ৣ峘峉峫 ਗ਼ৡ୹ஔ峙ౌৡ峢崟崽崰峁峉૾ய岶ਢ岷ౌৡ৅ਗ਼ਃஓ峘஍૨

਱঱岶జਟਰ঱峕ਘ岹੷峫峳島峐岮峵؝

y Ⴊਞ崧嵤崻嵛峙଩ಓ஺૳৔峑ਞั੸ৼ૴峒峔峍峐岮峵؝

y ਷ᅙ峕କ౤峃峵௤ଷ峙ਞั੸ৼ૴ச峮਷ᅙྫྷ峕峲峍峐৒ଝ岿 島؜岽峘ဒ峴௤ଷ峙崧嵤崻嵛৸৬峘௤ଷ峘સங২峒శଞ峕প 岷峔સ়峼ಚ峫峵峒峒峬峕؜ྎ࿠୫峼ਬ岷କ岽峃ਉ౤峕峔峍峐岮 峵؝

y ௤ଷ଩੖峘峉峫峕ྎ਀એ峘ัဿ௴௄؜ਞั੸ৼ૴ச岴峲峝

਷ᅙྫྷ峼ถ಍峕ੑ೾峃峵হ岶ா峫峐੎ਏ峑岬峵؝

ST

© 2015 Toshiba Corporation

৔ ઍ

崧嵤崻嵛৫৅峘হ୻

ਸ਼৚()'&)'੆়嵗嵤崗崟嵏崫崿

੎ਗ਼嵉嵤崓峑ඞ岰૴৬ਃஓ ৫৅峕ણ৷峃峵()'&)'

嵣崧嵤崻嵛৫৅峘হ୻

嵣਷੤৫৅峘হ୻

嵣௯੤৫৅峘হ୻

()'&)'੆়峕ৌ峃峵਋ୄ峘峨峒峫

਷੤৫৅峘হ୻ ௯੤৫৅峘হ୻

Ᏹᐂ⯟✵◊✲㛤Ⓨᶵᵓ≉ู㈨ᩱ䚷㻶㻭㼄㻭㻙㻿㻼㻙㻝㻡㻙㻜㻜㻢 㻢㻞

© 2015 Toshiba Corporation

6FKHPDWLFRIWKH3,9SUREH

9LHZ angle Light sheet

Laser EHDP

0HDVXUHPHQW area

Borescope Purge air

Cover glass Cylindrical lens REOLTXH laser VKHHW

=RRP up Light sheet

&DPHUD PRXQW

Laser head PRXQW

0HDVXUHPHW aerea

3,9崿嵕嵤崾

PP

崧嵤崻嵛৫৅峘হ୻ ਷੤৫৅峘হ୻ ௯੤৫৅峘হ୻

ٷ嵑崌崰崟嵤崰୾৾௺峒嵄崊崡崛嵤崿峼ম峘崿嵕嵤崾৔৖峕ଡਛ峁 峉3,9崿嵕嵤崾峼৫৅

ਸ਼৚()'&)'੆়嵗嵤崗崟嵏崫崿

ST

Loss = f(ܸ _௚ , ܸ _௟ , d)

Measure PIV SUREH

Measure pitot SUREH

嵣:DWHUGURSOHWDVDWUDFHU

嵣%XLOWLQWKHOLJKWVKHHWRSWLFVERUHVFRSHDQGDLUSXUJH 嵣1RQHHGRSWLFDOD[LVDGMXVWPHQW

嵣0HDVXUHPHQWDUHDLVVHSDUDWHGIURP3,9SUREH

© 2015 Toshiba Corporation

Large size droplets(20㹼300njP Blade

Nozzle

Condensation Adhesion

6WHDPIORZ

Gas-OLTXLGWZR-SKDVHIORZVLQVWHDPWXUELQH

Ⴊਞ崧嵤崻嵛৔峘ਞั੸ৼ૴

Water VWUHDP ILOP

6PDOO size droplets(㹼0.1njP

崧嵤崻嵛৫৅峘হ୻ ਷੤৫৅峘হ୻ ௯੤৫৅峘হ୻

ਸ਼৚()'&)'੆়嵗嵤崗崟嵏崫崿

ST

L0 L1 L2 L3

➨ 㻣 ᅇ 㻱㻲㻰㻛㻯㻲㻰 ⼥ྜ䝽䞊䜽䝅䝵䝑䝥 㻢㻟

0 30 60 90 120 150

0.1 1 10 100 1000

d [ȝP@

v

> P V @

YJ >PV@

YJ >PV@

YJ >PV@

(c) Relation between liquid velocity and droplet size

0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8

1 10 100 1000

G>ȝP@

6 >@

YJ >PV@

YJ >PV@

YJ >PV@

(d) Relation between slip ratio and droplet size

d C

l

C e

v

V_g>PV@ C₁ C₂

10 10.07 -0.00102 30 32.66 -0.00259 125 136.20 -0.00423

d

e

C v v

S

g g

v C

v C

ln 001267 . 0 00184 . 1 00184 . 1

4

00127 . 0 3

ਞৼ嵣ัৼ૴ச؜၄ྫྷৼঢ়ૄ

崧嵤崻嵛৫৅峘হ୻ ਷੤৫৅峘হ୻ ௯੤৫৅峘হ୻

ٷ3,9崿嵕嵤崾峙崧嵤崻嵛৔峘ัৼ૴சੑ೾岶૭ચ峑岬峵峒ુ峕؜

ਞৼ૴ச峒ัৼ૴ச岴峲峝၄ྫྷ峘ঢ়બૄ岵峳၄ྫྷ岶௓৒

ST

© 2015 Toshiba Corporation

0 1 2 3 4 5 6 7 8 9 10

2.5 12.5 22.5 32.5 42.5 52.5 62.5 72.5 82.5 92.5

'URSOHWVL]H>ȝP@

)UHTXHQF\>@

0 10 20 30 40 50 60 70 80 90 100

0 20 40 60 80 100 120 140

9HORFLW\>PV@

)UHTXHQF\>@

0 1 2 3 4 5 6 7 8 9 10

2.5 12.5 22.5 32.5 42.5 52.5 62.5 72.5 82.5 92.5

'URSOHWVL]H>ȝP@

)UHTXHQF\>@

0 10 20 30 40 50 60 70 80 90 100

0 20 40 60 80 100 120 140

9HORFLW\>PV@

)UHTXHQF\>@

0 1 2 3 4 5 6 7 8 9 10

2.5 12.5

22.5 32.5

42.5 52.5

62.5 72.5

82.5 92.5 'URSOHWVL]H>ȝP@

)UHTXHQF\>@

0 10 20 30 40 50 60 70 80 90 100

0 20 40 60 80 100

120 140 9HORFLW\>PV@

)UHTXHQF\>@

v

=125[m/s]

v

=30[m/s]

v

=10[m/s]

v

=125[m/s]

v

=30[m/s]

v

=10[m/s]

(a) Droplet size distribution (b) Liquid velocity )ORZ

Pitot WXEH

Laser EHDP 7UDQVPLWWHr

Receiver

:LQGWXQQHOH[SHULPHQWDOVHWXS

ਞৼ嵣ัৼ૴ச؜၄ྫྷৼঢ়௬੼૥ୡ

崧嵤崻嵛৫৅峘হ୻ ਷੤৫৅峘হ୻ ௯੤৫৅峘হ୻

ਸ਼7৚EFD/CFD੆়嵗嵤崗崟嵏崫崿

ST

Ᏹᐂ⯟✵◊✲㛤Ⓨᶵᵓ≉ู㈨ᩱ䚷㻶㻭㼄㻭㻙㻿㻼㻙㻝㻡㻙㻜㻜㻢 㻢㻠

© 2015 Toshiba Corporation

L

Blade

L

Nozzle PIV SUREH

Light sheet

Light sheet

6WHDPIORZ 6WHDPIORZ

Z Y Z

X

Root Tip SUREH

eet

Light

6 6 6W

Ro T T

X_c X_t

0HDVXUHGSDUDPHWHUV unit Case1 Case2

Pressure MPa 0.007 0.006

Moisture % 3.4 5.4

Velocity V

PV 314 322

5H\QROGVQXPYHU Re=V

LȞ :HYHUQXPEHUWe=ȡ(v

-v

)dı

㸫 㸫

3.1

10

1㹼10

2.7

10

1㹼10

3RVLWLRQRIWKH3,9PHDVXUHLQJ-axis traveses EHKLQGWKHODVWVWDJH1R]]OH

Steam turbine test condition

L䠖chord length䠈Ǎ䠖kinematic viscosity䠈ǐ䠖density䠈IJ䠖surface tension

଩ಓ崧嵤崻嵛৔峘3,9ੑ೾峒૥ୡ૖੯

崧嵤崻嵛৫৅峘হ୻ ਷੤৫৅峘হ୻ ௯੤৫৅峘হ୻

ਸ਼৚()'&)'੆়嵗嵤崗崟嵏崫崿

ST

© 2015 Toshiba Corporation

Traverse 6\VWHPV

PIV SUREH Bore SUREH Pitot WXEH

Measurement instrument setup for actual size steam LP Turbine

଩ಓ崧嵤崻嵛ੑ೾

崧嵤崻嵛৫৅峘হ୻ ਷੤৫৅峘হ୻ ௯੤৫৅峘হ୻

ਸ਼৚()'&)'੆়嵗嵤崗崟嵏崫崿

ST

➨ 㻣 ᅇ 㻱㻲㻰㻛㻯㻲㻰 ⼥ྜ䝽䞊䜽䝅䝵䝑䝥 㻢㻡

0 2 4 6 8 10 12 14 16 18 20

0.00-0.03 0.12-0.15

0.24-0.27 0.36-0.39

0.48-0.52 0.61-0.64

0.73-0.76 0.85-0.88

0.97-1.00 1.09-1.12

1.21-1.24 1.33-1.36 99䌲>@

)UHTXHQF\>@

0 2 4 6 8 10 12 14 16 18 20

0.00-0.03 0.13-0.16

0.25-0.28 0.38-0.41

0.50-0.53 0.63-0.66

0.75-0.78 0.88-0.91

1.00-1.03 1.13-1.16

1.25-1.28 1.38-1.41 99䌲>@

)UHTXHQF\>@

0 2 4 6 8 10 12 14 16 18 20

0.00-0.03 0.12-0.15

0.24-0.27 0.36-0.39

0.48-0.52 0.61-0.64

0.73-0.76 0.85-0.88

0.97-1.00 1.09-1.12

1.21-1.24 1.33-1.36 99䌲>@

)UHTXHQF\>@

0 2 4 6 8 10 12 14 16 18 20

0.00-0.03 0.13-0.16

0.25-0.28 0.38-0.41

0.50-0.53 0.63-0.66

0.75-0.78 0.88-0.91

1.00-1.03 1.13-1.16

1.25-1.28 1.38-1.41 99䌲>@

)UHTXHQF\>@

/LTXLGYHORFLW\GLVWULEXWLRQEHKLQGWKHODVWVWDJH1R]]OH

ัৼ૴சੑ೾੥ટ

0 2 4 6 8 10 12 14 16 18 20

0.00-0.03 0.12-0.15

0.24-0.27 0.36-0.39

0.48-0.52 0.61-0.64

0.73-0.76 0.85-0.88

0.97-1.00 1.09-1.12

1.21-1.24 1.33-1.36 99䌲>@

)UHTXHQF\>@

0 2 4 6 8 10 12 14 16 18 20

0.00-0.03 0.13-0.16

0.25-0.28 0.38-0.41

0.50-0.53 0.63-0.66

0.75-0.78 0.88-0.91

1.00-1.03 1.13-1.16

1.25-1.28 1.38-1.41 99䌲>@

)UHTXHQF\>@

X/Xt= -0.34㻌 㻌 㻌 㻌 㻌 X/Xt= 0.00 X/Xt= 0.35

wetness=3.4%

wetness=5.4%

↓ḟඖ⩼㧗䛥఩⨨<<K

↓ḟඖ㍈᪉ྥ఩⨨==F

崧嵤崻嵛৫৅峘হ୻ ਷੤৫৅峘হ୻ ௯੤৫৅峘হ୻

ST

© 2015 Toshiba Corporation

Trailing edge

:DWHU6WUHDPV

Water ILOP.

(Large size droplets are DWRPL]HG IURP pooled ZDWHU

Water 6WUHDPV on the L ₀ Nozzle 6XUIDFH

଩ಓ崧嵤崻嵛৔峘૭ଳ৲峒3,9ੑ೾੥ટ

Tip side

Root side

99’

1.0 0.75 0.5 0.25 0.0

崧嵤崻嵛৫৅峘হ୻ ਷੤৫৅峘হ୻ ௯੤৫৅峘হ୻

ਸ਼৚()'&)'੆়嵗嵤崗崟嵏崫崿

ST

Ᏹᐂ⯟✵◊✲㛤Ⓨᶵᵓ≉ู㈨ᩱ䚷㻶㻭㼄㻭㻙㻿㻼㻙㻝㻡㻙㻜㻜㻢 㻢㻢

© 2015 Toshiba Corporation

0 20 40 60 80 100 120 140

-1 -0.8 -0.6 -0.4 -0.2 0 0.2 0.4 0.6 0.8 1

;;W

G>ȝP@

droplet size: wetness=5.4%

droplet size:wetness=3.4%

ৼঢ়ૄ峼৷岮峉၄ྫྷ峘੒೾੥ટ

'URSOHWVL]HGLVWULEXWLRQEHKLQGWKHODVWVWDJH1R]]OH

崧嵤崻嵛৫৅峘হ୻ ਷੤৫৅峘হ୻ ௯੤৫৅峘হ୻

䕺

䕺⩼ᚋ⦕䛛䜙ᄇ㟝䛥䜜䜛⢒኱Ỉ⁲䝃䜲䝈䛿⩼㛫⵨Ẽ䛻஌䛳䛯Ỉ

⁲

⁲䝃䜲䝈䜘䜚䜒኱䛝䛔䛣䛸䛜᫂䜙䛛䛸䛺䛳䛯䠊

ਸ਼৚()'&)'੆়嵗嵤崗崟嵏崫崿

ST

X/Xt

d[ njP ]

© 2015 Toshiba Corporation

9HORFLW\GLVWULEXWLRQEHKLQGWKHODVWVWDJH1R]]OH

ਞৼ嵣ัৼ૴சੑ೾ૻຎ

崧嵤崻嵛৫৅峘হ୻ ਷੤৫৅峘হ୻ ௯੤৫৅峘হ୻

ਸ਼৚()'&)'੆়嵗嵤崗崟嵏崫崿

ST

0.4 0.5 0.6 0.7 0.8 0.9 1 1.1 1.2

-1 -0.5 0 0.5 1

;;W 9 9

YJYJ䌲:wetness=5.4%

YJYJ䌲: wetness=3.4%

YOYJ䌲: wetness=5.4%

YOYJ䌲: wetness=3.4%

➨ 㻣 ᅇ 㻱㻲㻰㻛㻯㻲㻰 ⼥ྜ䝽䞊䜽䝅䝵䝑䝥 㻢㻣

৔ ઍ

੎ਗ਼嵉嵤崓峑ඞ岰૴৬ਃஓ ৫৅峕ણ৷峃峵()'&)'

嵣崧嵤崻嵛৫৅峘হ୻

嵣਷੤৫৅峘হ୻

嵣௯੤৫৅峘হ୻

()'&)'੆়峕ৌ峃峵਋ୄ峘峨峒峫 ^{崧嵤崻嵛৫৅峘হ୻}

਷੤৫৅峘হ୻ ௯੤৫৅峘হ୻

© 2015 Toshiba Corporation

崧嵤崻嵛৔ਞั੸ৼ૴峘()'&)'ୖ਻峒਋ୄ

崧嵤崻嵛৫৅峘হ୻ ਷੤৫৅峘হ୻ ௯੤৫৅峘হ୻

EFD CFD

ୖ ਻

ਞั੸ৼ૴ச峒਷ᅙྫྷ峼৊ৎੑ

೾峃峵ু஺岶૮岮؝శ෶๷嵣శம ඡੑ೾岶൑୔峔峉峫ੑ೾崿嵕嵤崾 峘୶஭岶৅ে؝崧嵤崻嵛৔峕৻਀

岿島峵৔৖૴໭৵૬৑ੑ೾峕峙 த৵஑崿嵕嵤崾峘৫৅岶૑ਏ؝

ਞั੸ৼ૴র峘ัᅙᅼೠ岝ীຝ岝

়৬峮ਞั৑峘೸ઐఌ峼ൣ岰ਠ଴峘 嵊崯嵓৲؝

ྎ岝崙嵤崟嵛崘਀એ峼૴৿峃峵ัৼ ق਷ဿك଱৿峘嵊崯嵓৲؝

੆়ૼ୒峢峘਋ୄ

ৰ೾੥ટ峼੟৶嵊崯嵓৲峁؜&)'峢ৰಎ؝

()'ૼ୒峢峘਋ୄ

ਞั੸ৼ૴র峕岴岮峐

૴ச峒਷ᅙྫྷ峼৊ৎੑ೾峃峵ু஺峘৫৅؝

363ੑ೾؜૬৑ആ২؜૬৑ಓৡ峘એੑ೾ૼ୒峘৫৅؝

ਸ਼৚()'&)'੆়嵗嵤崗崟嵏崫崿

Ᏹᐂ⯟✵◊✲㛤Ⓨᶵᵓ≉ู㈨ᩱ䚷㻶㻭㼄㻭㻙㻿㻼㻙㻝㻡㻙㻜㻜㻢 㻢㻤

© 2015 Toshiba Corporation

'UDIWWXEH

Runner Stay vanes Guide vanes

Generator

%DFNJURXQG& Goal

(IIHFWLYHXVHRIK\GUDXOLFHQHUJ\

㸨

㸨+LJKHIILFLHQF\

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ਸ਼৚()'&)'੆়嵗嵤崗崟嵏崫崿

© 2015 Toshiba Corporation

ూବ ع਷੤ع

y ગে૭ચ崐崵嵓崖峒峁峐ଽ岹岵峳ઞ峹島峐岮峵਷ৡ৅ਗ਼ 峙岝੺ফ岝崊崠崊嵣વ৪峔峓਷ৱ౺岶௹୕峔৉ୠ峑প ૠெ৫৅岶ਤ峫峳島峐岮峵؝ব৔峑峬ใਝ਷ৡ৅ਗ਼ ਚ峘ৈলৡ৲崳嵤崢岶ੜ岲峐岮峵؝

y ਷੤ਙચ௬੼峼ৰୡ峒ੰෲ峕峲峴ৰ઱峁岝৫৅਋৑峘 ಢೠ৲峕峲峍峐৫৅଼ଥৡਘ৲؝

崧嵤崻嵛৫৅峘হ୻ ਷੤৫৅峘হ୻ ௯੤৫৅峘হ୻

Sadao KUROSAWA, Turblent Flow Simulation for the Draft Tube of a Kaplan Turbine, 23rd IAHR Symposium,2006

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&)'%OLQG%HQFKPDUN

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© 2015 Toshiba Corporation

Goal

Flow analysis technology development that can be predicted the draft tube flow exactly

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Vortex rope

High Re QXPEHU㸦

6ZLUOIORZ

%HQGIORZ

'LIIXVHUIORZ Unsteady

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ਸ਼৚()'&)'੆়嵗嵤崗崟嵏崫崿

Cavitation

anisotropy

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C.S. III

&6,9D E

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© 2015 Toshiba Corporation

&RPSXWDWLRQDOapproach

No 1 2 3 4 Governig Eq. RANS LES

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Boundary condition

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GM2 GM1

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grid points :

G ^Cells

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ਸ਼৚()'&)'੆়嵗嵤崗崟嵏崫崿

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© 2015 Toshiba Corporation

㻜㻜㻚㻜 㻜㻚㻞 㻜㻚㻠 㻜㻚㻢 㻜㻚㻤 㻝㻚㻜 㻝㻚㻞 㻝㻚㻠

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㻯㻯 㼜 㻌㻔 㻙 㻕

Pressure recovery in central plane

([SHULPHQWXSSHUZDOO ([SHULPHQWORZHUZDOO 5$16&XELFN-ı

RANS/RSM LES/SM LES/DSM

崧嵤崻嵛৫৅峘হ୻ ਷੤৫৅峘হ୻ ௯੤৫৅峘হ୻

ٷಓৡ৚୮બਯ峙&)'峘੥ટ岶ৰ೾க峼ଐ岹ெᇍ峁峐岮峵؝

ਸ਼৚()'&)'੆়嵗嵤崗崟嵏崫崿

© 2015 Toshiba Corporation

Axial velocity at Cs-,E

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Cs-Ib .㻌㻌㻌㻌

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ٷ崡嵗嵤嵓峘ਘ岮嵑嵛崲嵤ઉৣ峘ກ૴ச২峙()'峒&)'੥ટ峙嵓 嵤崰৖岝崩崫崿৖峑ଐ岮঳ಱ岶ৄ峳島峔岮؝

ਸ਼৚()'&)'੆়嵗嵤崗崟嵏崫崿

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৔ ઍ

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਷੤৫৅峘হ୻ ௯੤৫৅峘হ୻

© 2015 Toshiba Corporation

਷੤৫৅峕岴岻峵峘()'&)'ୖ਻峒਋ୄ

崧嵤崻嵛৫৅峘হ୻ ਷੤৫৅峘হ୻ ௯੤৫৅峘হ୻

EFD CFD

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崡嵗嵤嵓峼ൣ岰૴島ৃ峼ੰෲ峃峵ৃ়岝 嵓嵤崰岝崩崫崿৖峼1峎峘ೊ૴嵊崯嵓峑

ெᇍ峃峵হ峙൑୔؝

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嵣৊৲ু১峼৷岮峐岝ೊ૴嵊崯嵓બਯ峼ଂਚਈి৲峁ৰ೾க峼ৈಖ ২峕ெᇍ؝બਯਈి৲峁峉঱峑ྎ஑ਈి৲؝

ਸ਼৚()'&)'੆়嵗嵤崗崟嵏崫崿 㻙㻝

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ଂਚਈి৲

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© 2015 Toshiba Corporation

%DFNJURXQGRIWKHVWXG\

Difficult to generate stable electric power

Wind power

Stable power generation systems are needed.

Active control technique is one of the solution.

Fluctuated natural wind

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-Yaw misalignment -Wind shear -wind turbulence

dir e ction

deg

di i

d

Time(sec)

speed

m/s

Time(sec)

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崧嵤崻嵛৫৅峘হ୻ ਷੤৫৅峘হ୻ ௯੤৫৅峘হ୻

ਸ਼৚()'&)'੆়嵗嵤崗崟嵏崫崿

© 2015 Toshiba Corporation

ూବ ع௯੤ع

y ગে૭ચ崐崵嵓崖峒峁峐৉೸岝୬഻୾峒嵁崡崰嵇崫崗崡

৅ਗ਼岶਋ୄ岿島峵௯੤峙੺ফব৔峑峬ਯ੗岹଑ো岶 ਤ峫峳島峐岮峵؝

y ௯੤峙മر峒௯਱嵣௯ச岶૗৲峃峵ঽே௯峕峲峍峐৅

ਗ਼峃峵峉峫ྎ਀એ峑峙পૠெ峔ጒ௞岶ে峂峐লৡ଩

ৣ岶କ岽峵؝

y ጒ௞೪਑峘峉峫峕૭৿৖峼ൣ岰૴৬਑౪崯崸崌崡峘ి

৷峼૥峩峵হ୻岶ങৄ岿島峵峬峘峘岝ૹ৷୻峙຦૮؝

崧嵤崻嵛৫৅峘হ୻ ਷੤৫৅峘হ୻ ௯੤৫৅峘হ୻

Hisashi Matsuda, Development of High Performance Wind Turbine using Plasma Actuation Technology, GrandRenewable Energy, 2014

ਸ਼৚()'&)'੆়嵗嵤崗崟嵏崫崿

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2SHUDWLRQLQXQVWHDG\PRGHSXOVHGPRGXODWLRQPRGH VHSDUDWHGIORZLVFRQWUROOHGPRVWHIIHFWLYHO\

Ex) Post, M.L. and Corke, T.C.(2005) , Göksel, B. et al.(2006) Matsuda,H. et al.(2008) , Mitsuo.K. et al.(2013)

ᴾ ᴾ ᴾ Asada & Fujii (2010), Nonomura et al.(2013)

Matsuda,H. et al,(2008) NACA0015,20m/s

AOA(deg)

Lift coef ficient

Plasma OFF

Plasma ON

Pulese modulated control

F= 15kHz, V= 4.5῍10kV _0p , D=῍10%

ON WLPH

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)XQGDPHQWDOIUHTXHQF\

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21WLPH2))WLPH

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© 2015 Toshiba Corporation

3ODVPDDFWXDWRU

Non-WKHUPDOGLHOHFWULF-EDUULHU-GLVFKDUJHG17'%' SODVPDDFWXDWRU

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5. OHVVHIIRUWUHTXLUHGWRDGDSWZLWKWKHFRQYHQWLRQDOdesign ᴾᴾ

E

Exposed electrode

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ਸ਼৚()'&)'੆়嵗嵤崗崟嵏崫崿

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© 2015 Toshiba Corporation

(IIHFWRISODVPDDFWXDWLRQRQWXUELQHVSHHG

0 50 100 150 200 250 300 350 400

500 1500 2500 3500 4500

time (sec)

Tur bi ne s peed ( rpm )

Plasma ON Plasma OFF

U=5.5m/s

U=4.5m/s U=6.5m/s

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Dž °

Dielectric power=2.85W/m

崧嵤崻嵛৫৅峘হ୻ ਷੤৫৅峘হ୻ ௯੤৫৅峘হ୻

300W㢼㌴

ਸ਼৚()'&)'੆়嵗嵤崗崟嵏崫崿

© 2015 Toshiba Corporation

([SHULPHQWDODSSDUDWXV

PS3-K32B, A-WIng Plasma actuator

Erema resistor (2 Ȑ ) Power source

Slip ring

Generator

PS3-K32B, A-WIng Plasma actuator

Erema resistor (2 Ȑ ) Power source

Slip ring

Generator

Rotor diameter : 1.56m

Turbine rate: 300 W for 12.5m/s Axial distance: 0.77m

Yaw angle: inclined angle of the turbine rotational plane to the wind tunnel axis.

Dummy load: 2 ohm resistor

Changing inlet wind velocity, the turbine speeds were measured for yaw angle of 30 degree for both “plasma off” and “plasma on”

cases.

崧嵤崻嵛৫৅峘হ୻ ਷੤৫৅峘হ୻ ௯੤৫৅峘হ୻

300W㢼㌴

ਸ਼৚()'&)'੆়嵗嵤崗崟嵏崫崿

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3ODVPDDFWXDWLRQVHWXSWLOWPRGH

Control box

Slip ring Power source module

CCD Camera

Tufts Plasma electrode

(Acrylic yarn)

ĮP)L[HGURWDWLRQ

崧嵤崻嵛৫৅峘হ୻ ਷੤৫৅峘হ୻ ௯੤৫৅峘হ୻

30kW㢼 㢼㌴

© 2015 Toshiba Corporation

0DVWXOWUDVRQLFDQHPRPHWHU Mast(cup) WTG

Mast (cup anemometer) Main wind direction

Ὁ Diameter: 10m Ὁ Hub height: 13.4m ὉConstant rotation Ὁ 30kW generator Ὁ Tilt-up wind turbine

N:UDWHGZLQGWXUELQH0,(8QLYHUVLW\

July-Aug. 2012

崧嵤崻嵛৫৅峘হ୻ ਷੤৫৅峘হ୻ ௯੤৫৅峘হ୻

30kW㢼 㢼㌴

ਸ਼৚()'&)'੆়嵗嵤崗崟嵏崫崿

Ᏹᐂ⯟✵◊✲㛤Ⓨᶵᵓ≉ู㈨ᩱ䚷㻶㻭㼄㻭㻙㻿㻼㻙㻝㻡㻙㻜㻜㻢 㻣㻤

© 2015 Toshiba Corporation

5RWRUWRUTXH 3RZHUHQKDQFHPHQW

3ODVPDRQPLQମ3ODVPDRIIPLQ ମ 3ODVPDRQPLQମ¬

Using WKHSODVPDDHURG\QDPLFFRQWUROOHDGLQJHGJHIORZVHSDUDWLRQV ZHUHVXSSUHVVHGDQGDWRUTXHDXJPHQWDWLRQRIZLQGWXUELQHZDV UHDOL]HGDQGSRZHUHQKDQFHPHQWZDVREWDLQHGHYHQXQGHUUHDOZLQG conditions.

Averaged power increase:

570W

Plasma power consumption : about 150W

> 崧嵤崻嵛৫৅峘হ୻ ਷੤৫৅峘হ୻ ௯੤৫৅峘হ୻

30kW㢼㌴

ਸ਼৚()'&)'੆়嵗嵤崗崟嵏崫崿

USP

© 2015 Toshiba Corporation

0°

180°

90°

270°

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U ᾌᵐᵌᵕᶋᵍᶑẆᵵᵬᵵᴾ ᵐᵎᶐᶎᶋᴾ

UᾌᵐᵌᵕᶋᵍᶑẆᵵᵬᵵᴾ ᵐᵎᶐᶎᶋᴾ

F=15kHz V=5.5kV _0p

St=fc/U=1.0 (@70%spanὸ Duty=10%

Azimuth angle

Lj °ମIDLUZLQGcondition

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崧嵤崻嵛৫৅峘হ୻ ਷੤৫৅峘হ୻ ௯੤৫৅峘হ୻

30kW㢼 㢼㌴

ਸ਼৚()'&)'੆়嵗嵤崗崟嵏崫崿

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3ODVPD21

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10 11 12 13 14 15 16 17

2 4 6 8 10 12

Rotational speed (rpm)

Wind speed (m/s) Plasma-off Plasma-on

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0 1 2 3 4 5 6 7 8

0-50 100-150 200-250 300-350 400-450 500-550 600-650 700-750 800-850 900-950 1000-1050 1100-1150 1200-1250 1300-1350 1400-1450 1500-1550 1600-1650 1700-1750

Probability (% )

Power (kW)

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崧嵤崻嵛৫৅峘হ୻ ਷੤৫৅峘হ୻ ௯੤৫৅峘হ୻

1.75MW㢼㌴

© 2015 Toshiba Corporation

Ultrasonic

anemometer

Kagoshima wind-power institute co.,ltd

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Power supply

Discharge Electrode (8m×3)

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崧嵤崻嵛৫৅峘হ୻ ਷੤৫৅峘হ୻ ௯੤৫৅峘হ୻

1.75MW㢼㌴

ਸ਼৚()'&)'੆়嵗嵤崗崟嵏崫崿

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© 2015 Toshiba Corporation

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ਸ਼৚()'&)'੆়嵗嵤崗崟嵏崫崿

੎ਗ਼嵉嵤崓峑ඞ岰૴৬ਃஓ ৫৅峕ણ৷峃峵()'&)'

嵣崧嵤崻嵛৫৅峘হ୻

嵣਷੤৫৅峘হ୻

嵣௯੤৫৅峘হ୻

()'&)'੆়峕ৌ峃峵਋ୄ峘峨峒峫

© 2015 Toshiba Corporation

௯੤৫৅峕岴岻峵峘()'&)'ୖ਻峒਋ୄ

EFD CFD

ୖ ਻

崽崋嵤嵓崱૥ୡ峑峙ੑ೾ਡਯ岶૘峔 岮؝ଂਚ嵣ઁ෇೧௯சੑق਍

੼ك峕峲峵ੑ೾岶૑ਏ؝

嵐嵤崐嵑嵤峼ਈ৵৲ق৅ਗ਼লৡਈপ

৲ك峁峉௯੤਑౪峕ৱ峃峵ઁ෇೧௯ ய੒೾岶ৰਠলਟ峐岮峔岮؝嵒崊嵓崧 崌嵈੒೾峬ৰਠ峑岷峐岮峔岮؝

੆়ૼ୒峢峘਋ୄ

嵣ৎ૬৑্਱峢ਡ૔峃峵௯சੑ೾崯嵤崧岴峲峝ৰਃ௯੤ఢ峴峘 ਯ૘峔岮଒峳島峉ৰ೾崯嵤崧峼৷岮峐௯ய峼৊৲੒೾峁岝嵐嵤崐 嵑嵤峕峲峵লৡ଩ৣ峼଩੖峑岷峵峲岰峕峔峵হ؝

ਸ਼৚()'&)'੆়嵗嵤崗崟嵏崫崿

崧嵤崻嵛৫৅峘হ୻ ਷੤৫৅峘হ୻ ௯੤৫৅峘হ୻

1.75MW㢼㌴

➨ 㻣 ᅇ 㻱㻲㻰㻛㻯㻲㻰 ⼥ྜ䝽䞊䜽䝅䝵䝑䝥 㻤㻝

岾஬ലથ୔岰岾峀岮峨峁峉؝

පോ

嵣崔崡崧嵤崻嵛ลਞഐేૼ୒৫৅ଢ଼஢峘঳৖峙ஆয়ষ৆১যৗ崐崵嵓崖嵤嵣ਓ঵੕়৫

৅ਃଡقۃںڹۄك岵峳峘ஃਛহ঵岣੄崐崵嵓崖嵤୓ৗૼ୒৫৅হ঵طৰ઒ଢ଼஢

قਗ਼ৡ೽ஔಸ૶ৌੁك崔崡崧嵤崻嵛৷ลਞਸဒഐేಎ઼峘৫৅峕峎岮峐岤峘ਛટ峼 嵣崿嵑崢嵆崊崗崩嵍崐嵤崧峘௯੤ి৷ଢ଼஢峘঳৖峙ஆয়ষ৆১যৗ崐崵嵓崖嵤嵣ਓ঵੕়

৫৅ਃଡقۃںڹۄك岵峳峘੻౏঵ਜ峘੥ટ峼 ਹ৷岿峅峐ຘ岮峉؝

© 2015 Toshiba Corporation

()'&)'੆়峕ৌ峃峵਋ୄ

EFD CFD

ୖ ਻

శ෶๷嵣శமඡੑ೾岶൑୔峔峉峫

ੑ೾崿嵕嵤崾峘୶஭岶৅ে؝崧嵤崻 嵛৔峕৻਀岿島峵৔৖૴໭৵૬৑

ੑ೾峕峙த৵஑崿嵕嵤崾峘৫৅岶

૑ਏ؝

ਞั੸ৼ૴র峘ัᅙᅼೠ岝ীຝ岝

়৬峮ਞั৑峘೸ઐఌ峼ൣ岰ਠ଴峘 嵊崯嵓৲؝

ྎ岝崙嵤崟嵛崘਀એ峼૴৿峃峵ัৼ ق਷ဿك଱৿峘嵊崯嵓৲؝

ᒓᄑუ؜崕嵋崻崮嵤崟嵏嵛峔峓୾৾

ੑ೾岶൑୔峔ਠ଴岶৅ে峁峉ৎ峘

ੑ೾ু১峘৫৅؝

崡嵗嵤嵓峼ൣ岰૴島ৃ峼ੰෲ峃峵ৃ়岝 嵓嵤崰岝崩崫崿৖峼1峎峘ೊ૴嵊崯嵓峑

ெᇍ峃峵হ峙൑୔؝

崽崋嵤嵓崱૥ୡ峑峙ੑ೾ਡਯ岶૘峔 岮؝ଂਚ嵣ઁ෇೧௯சੑق਍

੼ك峕峲峵௯சੑ೾岶૑ਏ؝

嵐嵤崐嵑嵤峼ਈ৵৲ق৅ਗ਼লৡਈপ

৲ك峁峉௯੤਑౪峕ৱ峃峵ઁ෇೧௯ ய੒೾岶ৰਠলਟ峐岮峔岮؝嵒崊嵓崧 崌嵈੒೾岶஦峨峁岮؝

ਸ਼৚()'&)'੆়嵗嵤崗崟嵏崫崿

嵣ৰ೾੥ટ峼੟৶嵊崯嵓৲峁؜&)'峢ৰಎ؝

嵣ਞั੸ৼ૴র峑૴ச峒၄ྫྷ峘৊ৎੑ೾؝363ੑ೾؜૬৑ആ২؜ಓৡએੑ೾ૼ୒峘৫৅؝

嵣ೊ૴嵊崯嵓બਯ峘ଂਚਈి৲峕峲峴ৰ೾க峼ৈಖ২峕ெᇍ؝

嵣બਯਈి৲峁峉঱峑ྎ஑ગਝੑ؝

嵣ৎ૬৑্਱峢ਡ૔峃峵௯ச崯嵤崧岴峲峝ৰਃ௯੤ఢ峴峘ਯ૘峔岮଒峳島峉ৰ೾崯嵤崧峼৷岮峐 ௯ய峼৊৲੒೾峁岝嵐嵤崐嵑嵤峕峲峵লৡ଩ৣ峼଩੖؝

਋ୄ

Ᏹᐂ⯟✵◊✲㛤Ⓨᶵᵓ≉ู㈨ᩱ䚷㻶㻭㼄㻭㻙㻿㻼㻙㻝㻡㻙㻜㻜㻢 㻤㻞