regression analysis of tankers and bulk carriers
DESCRIPTION
Empirical Formulae for Design of Tankers and Bulk CarriersTRANSCRIPT
Appendix A - Small tankers « 1 0000 DWT)
Length pp = 6.809 * DWTo3048
Breadth = 1 .406 * DWTo285
Depth = 4.4 + 0.000681 * DWT
Draught = 0.33 * DWTo343
Lightweig htlLpp/B/D = 0.2096 - 0.00000724 * DWT
130 ~--~--~--~---~--~--~
120 ~--+---~---4---~--~--~
110
100 ~--+------je~
! 90 F----+---.I'~1!'a. Co
,;; g> 80 t----'±-'a. ~
..J
70 t-----.--<!ltI
2000 4000
• IHS-Fairplay data
-0- DTU-SDU model
- Power (IHS-Fairplay data)
6000 8000 10000
Deadweight (tons)
12000
Fig. A 1 Length between pp as function of DWT
11
:[
~ 7
c
-c:J- DTU-SDU model
- Linear (IHS-Fairplay data)
2000 4000 6000 8000 10000 12000
Deadweight (tons)
Fig. A3 Depth as function of DWT
4
22 ,---,----,---,---,----,---,
20
12 f---"~
10 f---U~+----+----1
• IHS-Fairplay data
-0- DTU-SDU model
- Power (IHS-Fairplay data)
o 2000 4000 6000 8000 10000 Deadweight (tons)
Fig. A2 Breadth as function of DWT
12000
9 ,---,----,---,---,----,----,
:[6 -'" g> ~ 5 c
o 2000 4000 6000 8000 10000 12000
Deadweight (tons)
Fig. A4 Maximum draught as function of DWT
0.85 ,--------,---T~--.--,----.c-.----,-----,-------,
• . .. .. ' . • • ..... • ~.. I •• , .... .
0.80 f---~.O+--"'.-"-'-\-"-+tr-a-. ----'.~ ..... -::'--~-f-~----+-. -----1 , ~~~ ..... ~ :L·,.·... • ••
• •• , . • Small ·l' .. ) .:. ~
• • •• •• r ---~~p~.· ~·.-~,+--.. ~:~·-+r-~IH~~~~~-~. 0.70 r- • IHS-Fairplay data I-.. • · 1-0- DTU-SDU model
• • •• - Linear (IHS-Fairplay data)
0.65 L-~~~~~~~.~~~~ __ . ~~~~~~~~~
2000 4000 6000 8000 10000 12000 Deadweight (tons)
Fig. AS Block coefficient as function of DWT
0.22
0.20
"~ " iii 0.18 C. Co
..J
E .~ 0.16
~ Cl ::J
0.14
0.12
• •
2000 4000
• ••
5.5
5.2
s ~ 4.9
]-i5 C. .9" 4.6
4.3
4.0
• • • • • • • 0( • • • • .:, .. .:' • • • I: .. • • •• 1' ~ --. "- • .o! .. •
~ "!'-- ~ -._ .. . :'. c. · :-. ~ ~ .. ' • •• • • •• • • • • .,. ;-• • • • • , • t-:..
• • • ·1
• IHS-Fairplay data
I ~ -c:J- DTU-SDU model
• • - Linear (IHS-Fairplay data)
2000 4000 6000 8000 10000 12000 Deadweight (tons)
Fig. A6 Length displacement ratio as function of DWT
• IHS-Fairplay data
y = -0.00000724x + 0.2096
R' = 0.27
6000 8000 10000 12000
Deadweight (tons)
Fig. A7 Lightweight coefficient as function of DWT
5