watertaxi-3-110422131808-phpapp01.ppt
TRANSCRIPT
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BANGLADESH UNIVERSITY OF BANGLADESH UNIVERSITY OF ENGINEERING & ENGINEERING & TECHNOLOGYTECHNOLOGY
NAME 338 SHIP DESIGN PROJECT & PRESENTATION-1DATE-26 AUG,2010
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DESIGN OF WATER TAXIDESIGN OF WATER TAXI
Project Supervisor
Khabirul Haque Chowdhury
Professor
Department of NAME, BUET.
Presented by
Hasib Ul Haque (0712014)
Ahmad Shibli Saleheen (0712018)
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Our first presentation on this project Our first presentation on this project includes includes ::
Principal particularsPreliminary lightweight, deadweight and
displacementPreliminary GAPreliminary lines planPreliminary hydrostatic calculation
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Owner’s RequirementOwner’s Requirement
Ship type: Water Taxi Capacity: 95 Passenger Speed: 14 knots Route: Sadarghat-Ashulia (29.5km)
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OBJECTIVESOBJECTIVESTo take advantage of Dhaka city’s circular
waterwayTo ease the water way communication with
comfortable serviceTo reduce the pressure on land transport.To safe people from horrible traffic jamTo establish a modern transport system which is
more safe, affordable, technologically dependable, environment friendly, and acceptable to all citizens of the country
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6
66
Inland Water Transport Network by Category
Class Class Indicated Indicated DraftDraft
Length Length in Km.in Km.
ClassificatioClassification criterian criteria
I 3.6 meter 683 at least 3.6 m required to maintain round the year.
II 2.1 meter 1000 major inland ports or place of economic importance to class I routes.
III 1.5 meter 1885 seasonal in nature
IV <1.5 meter 2400 in dry season no navigability
Total 5968
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Circular Waterways around Circular Waterways around DhakaDhaka
Total Length-110 km.
Already Completed:
Sadarghat to Ashulia (30 km); Dredging: 17.44 lakh m3.
To be Completed:
Ashulia to Kanchpur (40 km); Dredging: 34.73 lakh m3.
SadarghatSadarghat
AshuliaAshulia
KanchpurKanchpur
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GENERAL PARTICULARSGENERAL PARTICULARS 25.79 m WATER TAXI 25.79 m WATER TAXI
Classification Society: GL Type: Small passenger vessel
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Information of basis Information of basis shipship
MV TURAG & MV MV TURAG & MV BURIGANGABURIGANGA
LOA 11.85m LBP 11.7m B 3.50m D 1.40m T 0.65m Displacement 17.7 T L/B 3.34 B/T 5.38 D/T 2.15 Cb 0.60
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DETERMINATION OF DETERMINATION OF PRINCIPAL PARTICULARSPRINCIPAL PARTICULARS
ASSUMPTION: LOA/LBP = 1.05 LBP/B = 3.87 B/T = 4.20 D/T = 1.73 Cb = 0.6
Cd = 0.35
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LBP 25.79/LBP =1.05 = 24.4 m
Breadth (B)24.4/B= 3.87 = 6.30 m
Draft (T)6.30/T = 4.20 = 1.5 m
Depth (D)D/1.5= 1.73 = 2.6 m
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PRINCIPAL PARTICULARSPRINCIPAL PARTICULARS
Length Overall 25.79meter
LBP 24.4 meter Breadth (moulded) 6.3 meter Depth 2.6 meter Max. Draught(moulded) 1.5 meter (at full load)
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DISPLACEMENT ESTIMATIONDISPLACEMENT ESTIMATION DEADWEIGHT (DWT) CALCULATION :
No of Person on board: No of passenger = 95
No of crew = 4Total = 99
Weight Allowance per person:Weight per person = 75 kg
Fresh water per person = 1 literLuggage = 5 kg
Total = 81kg Fuel needed per voyage: 500 liter Store + Allowance : 1000 kg Total Weight :(95*81) + (500*.80) + 1000 = 32.495 tonnes Cargo: (95*5)=0.475 tonnes Allowance : 10 tonnes Deadweight : Total weight + Cargo+Allowance = (32.495+.475+10)=42.97tonnes
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DISPLACEMENT ESTIMATIONDISPLACEMENT ESTIMATION
LIGHT WEIGHT & DISPLACEMENT CALCULATION
Deadweight Coefficient :0.35(Assuming)
Displacement :
Lightship :
∆ = DWT / CD = (42.97 / 0.35) tonnes = 122.77 tonnes.
Light Weight = ∆ - DWT = ( 122.77 – 42.97) tonnes = 79.8 tonnes
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LINES PLANLINES PLAN
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BODY PLANBODY PLAN
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HALF BREADTH PLANHALF BREADTH PLAN
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PROFILE PLANPROFILE PLAN
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GENARAL ARANGEMENT GENARAL ARANGEMENT DRAWINGDRAWING
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MAIN DECKMAIN DECK
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SPACE ALLOCATION SPACE ALLOCATION
Passenger Compartment(1st class)=7.885 m long
Passenger Compartment(2nd class)=4m long
Canteen = 5.197m longToilet = (1.757m × 2 no.)Navigation Room = 2.117m longCrews’ Rest Room = 2.250m×1.684m
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HULL FORMHULL FORM
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Hydrostatic Particulars
Water Plane Area Displacement KB BML
MCT 1m BMT
Block Coefficient, Cb
Midship section Coefficient, Cm
Prismatic Coefficient, Cp
Water plane Coefficient, Cw
Position of Center of flotation from amidship Longitudinal Position of Center of buoyancy
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Formula used in hydrostatic calculation
Water plane Area : In our lines plane we take total 11 Station. Multiplying the half ordinate of each station
with the multipliers used in simpson’s first rule we find total product for area. Then,
Water plane area = 2 X hL/3 X total Product for area
Displacement : In our lines plane we take total 4 water lines. After finding different water plane area we use 5,8,-1 rule, simpson,s first rule & simpson’s second rule to find volume up to
different water line. As our ship is an Inland waterways ship so Displacement is equals to volume.
Volume up to water line 1 = 1/12 X hv X Total Product for volume (By using 5,8,-1 rule).
Volume up to water line 2 = 1/3 X hv X Total Product for volume
(Using Simpson’s First rule).
Volume up to water line 3 = 3/8 X hv X Total Product for volume
(Using Simpson’s Second rule).
Volume up to water line 4 = 1/3 X hv X Total Product for volume
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Formula Used in Hydrostatic Calculation:Positions of Center of Buoyancy above keel ( KB ) :
KB = Moment of Volume Displacement above base / Volume up to
corresponding waterline
Positions of Longitudinal Metacenter (BML) :
BML = Moment of Inertia about center of flotation ( IL) / Displacement of
volume
Moment to Change trim 1m ( MCT 1m ) :
MCT 1m = (IL X Displacement in ton ) / (LBP X Displacement in volume)
Positions of Transverse Metacenter (BMT) :
BMT = Transverse Moment of Inertia / Moment of Volume.
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Formula Used in Hydrostatic Calculation:Block Coefficient (CB):
CB = Displacement in Volume / (LBP X B X draught at
corresponding water plane.)
Midship Area Coefficient (Cm) :
Cm = Midship Section Area / (B X draught at corresponding
water plane.)
Prismatic Coefficient (Cp) :
Cp = CB / Cm
Water plane Coefficient (Cw) :
Cw = Water plane Area / (B X L at corresponding
water plane.)
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Station WL-1 WL-2 WL-3 WL-4
0 2.282
0.5 0.134 1.759 2.474
1 0.061 0.958 2.256 2.628
1.5 0.585 1.941 2.494 2.771
2 1.443 2.312 2.686 2.865
3 2.209 2.722 2.909 3.016
4 2.571 2.922 3.077 3.127
5 2.644 3.034 3.142 3.150
6 2.024 2.696 2.992 3.132
7 0.946 2.039 2.606 2.889
8 0.503 1.149 1.817 2.289
8.5 0.338 0.760 1.243 1.783
9 0.188 0.436 0.771 1.188
9.5 0.063 0.178 0.341 0.621
10 0.025
OFFSET TABLE
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Hydrostatic ParameterHydrostatic Parameter
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Form CoefficientForm Coefficient
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HYDROSTATIC CURVEHYDROSTATIC CURVE
Displacement
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HYDROSTATIC CURVEHYDROSTATIC CURVE
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Hydrostatic CurveHydrostatic Curve
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Hydrostatic CurveHydrostatic Curve
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Hydrostatic CurveHydrostatic Curve
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Hydrostatic CurveHydrostatic Curve
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Class & Regulations Class & Regulations followedfollowed
Classification• According to GL Rules & Guidance 2006 Regulations• SOLAS• Inland Shipping Ordinance (Passenger),2001.• Inland Shipping Ordinanace (Freeboard),2001 • IMO stability Guideline• The Inland Shipping Ordinance,1976.• Maritimes Regulations of Bangladesh.
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Thank You Thank You