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Samsung cargo handling cooling down tables 2002

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Operation Count-Down from 10 hours Mean Temperature LNG Quantity Time of All Sensors Required Count-Down [OC] [m3] [hours]... GAZTRANSPORT & TECHNIGAZ Date: 3/10/02 rev: 1DETAILED COOLIN

Trang 1

N220 - TANK ANA - 1.6.5

GAZTRANSPORT & TECHNIGAZ

Project N 220

CARGO HANDLING STUDIES

SECTION 1 : TECHNICAL ANALYSIS

Section 1.6 : Special Studies

SAMSUNG HEAVY INDUSTRIES

Hull n° 1428

Technical Analysis N° : 1.6.5

COOLING-DOWN TABLES COOLANT QUANTITY

! SHI, Geole Shipyard

'-I Dra"1ling/Document Submission

0 f'J,r Appro~Jal

\

10_-I

r- I P.cfcr to our letter no .

! - dated

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1 03/10/02 Final Issue

0 04/06/02 First issue

Rev Date Description of revision y ec e epa roJec

Reference for revision visa visa visa visa

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Trang 2

; SAMSUNG N220 TANK ANA 1.6.5

~"~:~,, C?:;,,;.,,~,=~_ 138 000 m LNG Carrier Project

';;C",.-,,:,:::-:, "~,,-~ ' " COOLING DOWN-TABLES RevIsion: 1

GAZTRANSPORT& TECHNIGAZ COOLANT QUANTITY 03/10/2002

N 220 Cargo Handling Design Studies Page: 2/19

TECHNICAL ANALYSIS N° : 1.6.5

REVISION SHEET

1 03/10/02 Final Issue Spray nozzle quantity

0 04/06/02 First Issue

Rev Date Description of revision Description of revision

Reference for revision

"This document is the property of GAZTRANSPORT & TECHNIGAZ It cannot be used, published or communicated without its express authorisation

Trang 3

GAZTRANSPORT & TECHNIGAZ Date: 03/10/2002 Rev: 1

DETAILED COOLING-DOWN TABLE: SAMSUNG LNG CARRIER -138,570 m3

Sheet 0 of 15

Cooling-Down Time 10 hours to ensure - 130 °C on Primary barrier

Total lNG Requirements 800 m3

LNG Density 470,0 kg/m3

LNG Vapor Latent Heat 499,1 kJ/kg for forced vaporisation process

LNG 1 Forced Gas HHV 53034 kJ/kg

50,269 MBTU/kg Cargo Tanks Volume 138 570 m3 (100 %)

Overall Cargo Tanks Area 24555 m2 on Primary Barrier

Insulation Thickness 0,270 m and Mark III "E" system

Overall Cargo Tanks 195290 MJ for stabilised gradient across insulation wall

Heat Energy Capacity (compartments temperature corresponding to IMO

external conditions; and - 162 °C inside cargo tanks)

Individual Sprayer 0,966 m3/hour when fed with fresh water

Flowrate at 2.0 bar g for EMANI "Whirljet" 3/4 BD 25 type

2 - PRIMARY BARRIER TEMPERATURE VARIATION VS TIME

According to the typical plot which is an average amongst numerous possible curves (as

observed on previous ships), then modelled by a 6th order polynomial function t(T)

Cooling-Down Time Primary Barrier

Mean Temperature

0 hour 30 °C

1 hour 12 °C

2 hours -20 °C

3 hours -47 °C

4 hours -67 °C

5 hours -85 °C

6 hours -100 °C

7 hours -113 °C

8 hours -118 °C

9 hours -125 °C

10 hours -130 °C

Trang 4

GAZTRANSPORT & TECHNIGAZ Date: 3/10/02 rev: 1

DETAILED COOLING-DOWN TABLE: SAMSUNG LNG CARRIER -138,570 m3

Sheet 1 of 5 CARGO TANK No.1 COOLING-DOWN: DETAILED TABLE (1°C INTERVAL)

Cargo Tank Volume 24587 m3 (100 %)

° Spraying Rate 16,50 m3/hour

Operation Count-Down from 10 hours

Mean Temperature LNG Quantity Time

of All Sensors Required Count-Down [OC] [m3] [hours]

Trang 5

GAZTRANSPORT & TECHNIGAZ Date: 3/10/02 rev: 1

DETAILED COOLING-DOWN TABLE: SAM SUNG LNG CARRIER -138,570 m3

CARGO TANK No.1 COOLING-DOWN (Cont'd) Sheet 2 of 5

Mean Temperature LNG Quantity Time

of All Sensors Required rOC] [m3] [hours]

Trang 6

GAZTRANSPORT & TECHNIGAZ Date: 3/10/02 rev: 1

DETAILED COOLING-DOWN TABLE: SAMSUNG LNG CARRIER -138,570 m3

CARGO TANK No.1 COOLING-DOWN (Cont'd) Sheet 3 of 5

Mean Temperature lNG Quantity Time

of All Sensors Required roC] [m3] [hours]

I

Trang 7

GAZTRANSPORT & TECHNIGAZ Date: 3/10/02 rev: 1

DETAILED COOLING-DOWN TABLE: SAMSUNG LNG CARRIER -138,570 m3

Mean Temperature LNG Quantity Time

of All Sensors Required [OC] [m3] [hours]

Trang 8

GAZTRANSPORT & TECHNIGAZ Date: 3/10/02 rev: 1

DETAILED COOLING-DOWN TABLE: SAMSUNG LNG CARRIER -138,570 m3

CARGO TANK No.1 COOLING.DOWN (Confd) Sheet 5 of 5

Mean Temperature LNG Quantity Time

of All Sensors Required roC) [m3] [hours]

-126 13,S 0,82

Trang 9

GAZTRANSPORT & TECHNIGAZ Date: 3/10/02 rev: 1

DETAILED COOLING-DOWN TABLE: SAM SUNG LNG CARRIER - 138,570 m3

Sheet 1 of 5 CARGO TANKS No.2 1 3 COOLING-DOWN: DETAILED TABLE (1°C INTERVAL)

Cargo Tank Volume 39454 m3 (100 %)

Cargo Tank Area 6738 m2 (on primary barrier)

Number of Sprayers 40

Spraying Rate 22,00 m3/hour

Operation Count-Down from 10 hours

of All Sensors Required Count-Down

~ ~$j;;

Trang 10

GAZTRANSPORT & TECHNIGAZ Date: 3/10/02 rev: 1

DETAILED COOLING-DOWN TABLE: SAMSUNG LNG CARRIER -138,570 m3

~~

CARGO TANKS No 2/3 COOLING-DOWN (Cont'd) Sheet 2 of 5

Mean Temperature LNG Quantity Time

of All Sensors Required

Trang 11

GAZTRANSPORT & TECHNIGAZ Date: 3/10/02 rev: 1

DETAILED COOLING-DOWN TABLE: SAM SUNG LNG CARRIER -138,570 m3

CARGO TANKS No 2/3 COOLING-DOWN (Cont'd) Sheet 3 of 5

Mean Temperature LNG Quantity Time

of All Sensors Required

l

Trang 12

GAZTRANSPORT & TECHNIGAZ Date: 3/10/02 rev: 1

DETAILED COOLING-DOWN TABLE: SAMSUNG LNG CARRIER -138,570 m3

CARGO TANKS No 2/3 COOLING-DOWN (Cont'd) Sheet 4 of 5

Mean Temperature LNG Quantity Time

of All Sensors Required roC] [m3] [hours]

I

I

Trang 13

GAZTRANSPORT & TECHNIGAZ Date: 3/10/02 rev: 1

DETAILED COOLING-DOWN TABLE: SAMSUNG LNG CARRIER -138,570 m3

CARGO TANKS No.2 / 3 COOLING-DOWN (Cont'd) Sheet 5 of 5

of All Sensors Required roC] [m3] [hours]

Trang 14

GAZTRANSPORT & TECHNIGAZ Date: 3/10/02 rev: 1

DETAILED COOLING-DOWN TABLE: SAMSUNG LNG CARRIER -138,570 m3

Sheet 1 of 5 CARGO TANK No.4 COOLING-DOWN: DETAILED TABLE (1°C INTERVAL)

0 Cargo Tank Volume 35075 m3 (100 %)

0 Cargo Tank Area 6 194 m2 (on primary barrier)

0 Number of Sprayers 36

0 Spraying Rate 19,80 m3/hour

0 Operation Count-Down from 10 hours

Mean Temperature LNG Quantity Time

of All Sensors Required Count-Down laC] [m3] [hours]

-~~~

Trang 15

GAZTRANSPORT & TECHNIGAZ Date: 3/10/02 rev: 1

DETAILED COOLING-DOWN TABLE: SAMSUNG LNG CARRIER -138,570 m3

CARGO TANK No: 4 COOUNG-DOWN (Cont'd) Sheet 2 of 5

Mean Temperature LNG Quantity Time

of All Sensors Required

Trang 16

GAZTRANSPORT & TECHNIGAZ Date: 3/10/02 rev: 1

DETAILED COOLING-DOWN TABLE: SAMSUNG LNG CARRIER -138,570 m3

CARGO TANK No.4 COOLING-DOWN (Cont'd) Sheet 3 of 5

Mean Temperature LNG Quantity Time

of All Sensors Required roC] [m3] [hours]

,.~~~l ,

Trang 17

GAZTRANSPORT & TECHNIGAZ Date: 3/10/02 rev: 1

DETAILED COOLING-DOWN TABLE: SAMSUNG LNG CARRIER -138,570 m3

CARGO TANK No.4 COOLING-DOWN (Cont'd) Sheet 4 of 5

of All Sensors Required [OC] [m3] [hours]

t

I

Trang 18

GAZTRANSPORT & TECHNIGAZ Date: 3/10102 rev: 1

DETAILED COOLING-DOWN TABLE: SAMSUNG LNG CARRIER -138,570 m3

CARGO TANK No 4 COOLING-DOWN (Cont'd) Sheet 5 of 5

Mean Temperature LNG Quantity Time

of All Sensors Required

.\

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