(Trawl net general)

(Trawl net general)

1234

171920101924VD19547045%75%

1618187619051925

19506080123

6041.7%37.6%0.60.8%2

71P602 3

4567

123419881991

561007

1P592P593P604P60

1leg20%210%812

3 60%35%

4(codend)54mm

5

1

2

3515.5mm3545mm

4(1)(2)

5)6

78

9123412

ABS

1. 2.G 3. G 4. 5. 6.7.G 8. G 9. 10. 11. G12. 8 13G 14. 15. 16. 17.

112

2312

1V.D(1)(2)23485

FAO12MAT. RtexRtex100mm

34

59.75comB/PP,12 9.7512mm6

1959 / 46.7100/1000/ 560114.3mm/31.4m* 80.00m51.03m

1234 3-6

14-3

211 < | | -40 101.5 1-1 41.54-3 111.5< |||

11 < | | -44 9 11 5-4 45.5 895-4-44-36=80 89-80=9

10.523

1N=N1 +N2 + N1 +N2 +0.5A 0.5B N1 N2 N1 N2M= N N1 N2 N1 N2 N1 N2 A B

21MN23

N=N1 +N2/2 + N1 +N2 +0.5A0.5BN=N1 +N2 +0.5A0.5B

1

23

1 1-1 4-3 1-1

2 4-3; 1-33

32 12

PE MARK125 P.74 8 171

P.75 818

0.850.900.920.940.950.960.960.97

110842682.65~4.30m

123

120.950.983TV 0.60.7540.50.7

=/=EHPN/BHP25Kn =0.18-0.25

TRsTe=T-Rs Te T Rs

TeTRsV T=K1N Rs=K1NV2/V2maxTe=K1NK1NV2/V2max= K1N(1V2/V2max)K1NV/Vmax/Te8085

600HPVmax123.6(K18.6) 600HP6000.9540HPK18.6V1.85/Vmax6.17/

Te =4226

42260.853592

() 48154 441Kw 71.4KN 38104 661 Kw 91.0 KN28160 735 Kw 96.0 KN18166 1030 Kw 156.0 KN

1964196763003500T12004000HPTe=0.675 IK/VTe IK Vm/s2950mm k=0.22 3040mm k=0.27 3150mm k=0.30

27002.0/K0.22

1Te=Tw(1V2/V2Max)TeKNkgTwKNkgV /VMax

2T=TwRs Rs Rs=f(v)3T=nTw n600HP n=0.65 400HP n=0.72250HP n=0.78 600HP n=0.69~0.70

()TR=R=Tcos cos R=2R=2Tcos cos

1T= Rs

21

=

2 2

2 K2N() 2 2K2NK2(HP) K2() 60 7.59.0200 9.09.5250 9.0---10.0400 8.0---8.4600 7.88.0

3TR=R=Tcos cos R=2R=2Tcos cos

12

119051925219251957319574561992

1 2 31/7380% 2/2026% 3/ 912%4/ 4863%5/ 78% 23

200mm12160240mm3

/ 7580%/ 2124%/ 911% 8.28.5/ 4961%/ 4% 34

()(1977)12200400mm3 6365 2124 610 5567 910 2.53.5kmt

()19921 2371030.350.3843555203058557035 5935knot

1 2 3 430mm1.52.5

)1 2300400mm1.7mm34 6270% 1926 410 4663 46 45

1 13252

1290110313611133336da=0.04-0.06

()11.52213157535065mm100130mm,0.750.80

()Grangon

1 C=10.05N0.4123 2 C=7.28N0.4666 3 C=9.03N0.4283 4 C=13.8N0.3864

160600HP2200mm3N

156114.3mm/31.4m 560 610 672 700 756 844 952 1008% 10% 20% 25% 35% 50% 70% 80%

1

F1F2 K1K2 d1/a1d2/a2 L1L2 V1V2

K1=K2d1/a1=d2/a2

= 2

L2/L1

101.28844120mm250HP400HP

V1=V2

600HP560300mm/168m8154

V1=V2

1880.3626 620750HP620300mm/186m

K1=K2V1=V2R1=R2

1 (3)

(3)

8154c600HP80500400mm/20080d5.4mm1600mm

272170160mm/272

() 1P79938160735kw3.5Te65kn 210Fz90TeFz3

8511.53.5708020-30

Fz78.4

Fzd/aLCV 200mm

735kwV=3.5Te65kwd/a0.06L/C=185 10 Te0.1Te78.4 /0.85 L=C

57.1m

110117mm C=1.1K CP K=16.5 K=14.215.5 K =11.513.2

19931996 400mm2000mm F=1416+2.54d/aC2V1.62CV/

1 123

45

2

1 432345131223

435411400mm11400mm1600m1211

2 89 35

58 5-44-35-32-15-23-110-37-24-14050

1 2 (1)6379 (2)90105 (3)120300

1 20262122133034

16112111489

14853%2556733440

()16-15216-20312.6

a63mm54m12380mm70mm70mm

4050 320/ 2.17knot 3.8T 1048120mm/125.7 340/ 2.18knot 4.4T 350/ 2.19knot 4.4T 330/ 2.25kont 3.9T 444400mm/177.6m 340/ 2.60knot 4.2T 350/ 2.80knot 4.3T

F=(1416+2.54d/aC2)V1.62

1 2 3

54mm54mm44mm

aKLKL a

a1=K1L1 a2=K2L2

aixia

10361.2263mm7080mm

121 S

2d/a d/a=0.0380.045 d/a=0.0500.060 d/a=0.0700.075 d/ad/a

PERtex173d2.4mm2a300mm2a400mm mm

12321

11L/L0 LL022H/H0 H H0

3

43(1)K>1 3

11/(1) 2a

21/(1)2a120mm10.356065mm10.750.8032/ 0.970.981

4 (1)30.960.9710.930.94(2)30.960.9710.363 53(1)13(2)3

1

LSL0 969897

2f f F :123;

3(1)

StK1a1 K11 St2af

2 Sn2aNf SnNf3

Sb

SbH03

1 Hoii 2

3

100.52a150mm10.45K=230.97 Sb

0.150.97

1 L=L+L+L LLLL LLLL L1312

2 L/L0.80.86 L/L0.760.77 P71150m97.92m LLLL56.6646.008.302.36 46/56.660.81

123 12Q/G1

123

()1F=0.200.25KN NK 2 GQP104 0.600.75>1

3 600750850kg500520kg 400600700kg400450kg

P90

Q1,Q2, G1,G2 L1,L2 V1,V2

Q Q R

h1 2

1 11/3Q 303540302202538

212

125382 1/21/3Q200250kg(400600HP)

123

LL+L+L LLLL13

m fs ff Lsq mmm

70.16m55.63m31.20mSf131.20mSf239.40mLH20mLW20.25m5.30m10.425

SfSf1+2LH=31.20+22071.20m SsSs1+2Lw39.40+220.2579.90m LSf50 LSf0.571.200.535.6m L/Sf0.599 ff /Sf0.398 ff 0.398Sf0.39871.2028.34m

L/Ss35.6/79.900.446 99 0.416

0.41679.900.41633.24m

KSs SfLsq

1(1)(2)(3) 2 3hh

L1= L2 L3 L4 L5

L1+L2L3+L4+L5 L1=L3+L4+L5L2L2 L/S0.60.65 f/sL2 fsL3

L4

L5

LL1/cos10600HPL17590m0.5C

1(1)(2)

2(1)L=5H+450m75m()L=10H+1/2D30m()

(2)

T0qsf

T0q LLL

LL L L0.70.9L

1n58

2

FTe 1520 610

123

1

2

3

F0F90F 090 dmmammvsm2 2050

1003502282940KW103.04.7knot Fz78.4d/aLw0Cw0V2 Fz:Lw0:mCw0mvm/s)d/a d/ad/a

1997

Fz =80d/aLw0Cw0V1.5

Fzd/aLw0(m) Cw0(m)V(m/s);200mm

19931997

F=[1416+2.54 d/a C2] V1.62 Fd/a 2

123

RRyRx

1 R2RxRyRx

Ry

,Rxkg Ry Cx Cy; kg2/4; S2 V/

R

RC

K

1234

1

2 34b5

6f fb f0

7Xf

Xf

8C Cb

9XcXc

10 1220

11SLb

1220 b2400

12dXd

Xdb

123 123

1 17

219501360441kw (1);(2)(3);(4)

32070(1)(2)(3)(4)

4V2050:(1)V(2)(3)(4)

52030(1)2(2)(3);(4);(5)

62070(1)(2)(3)(4)

7371760kw

8V208012151.671720 1234

BB1L

B15060

Ry

R

1RyS

RyR1yR3y

Ry RyR1yR3y

TRnCyS

2, EHPRs+RnRxVRsRnRx.

12N

12,

Cx1Cx2

L2

3 RyR1sin+R3sin

RxR1cosR3cos

Ry0.40.45R3

RyRx15SRn

4 S0.0945P0.58 P 5100400 S=0.6+0.005P P

6L

0.5 V0.6 0.65 2

7b(1) S= ab= bL/4-- b=4S/ L

(2)b

1 2 T

8C2

()G2

()hdhR1R3

(1) (2)

R1yAAF+CB=dcos+hsin R1xAOFOBdsinhcos RydcosRxdsin

1 18251520% 289 3

4441735kw20256090567

1(1) (2)(3)8(4) 8154C8154E750HP8167750HP 50m3120m318 28140298662kw

11012m1T4m81048154281048160735kw8166 510 17

12200334

123

1 2 V50

3 4 5

()

()G82G37G1181246

()812G118121/2138129G87

50m10s50m50m(7)

1.53.0

23G

123 1015 515

45200250m(810)

400600m23h3kn

2025m

() ()

()

123

12 L/L 3

1 2345

441735kw 400600600800 184441kw 350500 50100

3.5 2.53.5 2.02.5 2.53.0 1.62.0

19119122

12345

12345

112

21

9063

123

()1=L/LLL1/20

2=a/a=d/daadd3V=(-1)/(-1),