NauticalCFD Services Sep_2022.pdf
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NauticalCFD provides computational fluid dynamics (CFD) solutions and consultancy services for the marine industry. Their services include hull form and propulsion system optimization using CFD to improve efficiency, analysis of energy saving devices, trim optimization to reduce power requirements, and development of customized marine software. They have expertise in applications such as ship resistance, seakeeping, maneuvering, and propeller
![息 Bond Marine Consultancy UK
CFD Services - Reefer container Hold Analysis using CFD
5 vessels , Holds ducting and bulkhead opening
modified all reefer containers
M. Elangovan., Kumar A., Arora S. (2019), Duct Optimization and Performance Evaluation Using CFD for the
Reefer Container Hold. Lecture Notes in Civil Engineering, vol 22. Springer, Singapore.
https://doi.org/10.1007/978-981-13-3119-0_24 [Scopus/Book]
www.NauticalCFD.com](https://image.slidesharecdn.com/nauticalcfdservicessep2022-221101124818-b913b65b/85/NauticalCFD-Services-Sep_2022-pdf-28-320.jpg)
![息 Bond Marine Consultancy UK
CFD Services: Trim Curve Services suing CFD
Draft
[m]
Trim [m] Speed [kn]
7 3 2.5 2 1.5 1 0.5 0 -.5 -1 14 17 20 23
6 3 2.5 2 1.5 1 0.5 0 -.5 -1 14 17 20 23
5 3 2.5 2 1.5 1 0.5 0 -.5 -1 14 17 20 23
I
I
TRIM 13 kn 15 kn 17 kn 19 kn 21 Kn
23 Kn
-1.2 -2.96% -4.02% -2.53% -1.76% -2.02% 0.36%
-0.8 -2.12% -3.20% -2.23% -1.47% -0.53% 0.21%
-0.4 -1.80% -1.57% -1.90% -0.88% -0.51% 0.14%
0.0 0.00% 0.00% 0.00% 0.00% 0.00% 0.00%
0.4 2.94% 0.15% 2.10% 1.99% -0.17% 0.03%
0.8 3.08% 0.31% 2.51% 2.33% 0.31% -0.24%
1.2 3.62% 0.26% 3.16% 2.60% 0.48% -0.50%
1.6 4.02% 0.82% 3.97% 3.92% 0.70% -1.03%
2.0 4.77% 1.62% 4.96% 4.34% 0.86% -1.55%
2.4 5.30% 2.38% 6.26% 5.14% 0.79% -1.28%
2.8 7.74% 6.45% 9.40% 6.10% 1.61% -0.63%
-4.00%
-2.00%
0.00%
2.00%
4.00%
6.00%
8.00%
-1.2 -0.8 -0.4 0 0.4 0.8 1.2 1.6 2 2.4 2.8
Draft 10.5 m
13 Kn 15 Kn 17 Kn 19 Kn 21 Kn 23 Kn
Vessel Name: MV AGELES
www.NauticalCFD.com](https://image.slidesharecdn.com/nauticalcfdservicessep2022-221101124818-b913b65b/85/NauticalCFD-Services-Sep_2022-pdf-35-320.jpg)
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NauticalCFD Services Sep_2022.pdf
- 1. CFD Solutions for Marine Industry Dr. M. Elangovan, M.E. (Dgn.), Ph.D. (Japan) Technical Director RD & Consulting Services www.NauticalCFD.com
- 2. About Us 息 Bond Marine Consultancy UK Provide high-end Numerical solutions and consultancy services for all marine services. NauticalCFD has a team of experts in CFD for the complete solution in a single contact. Energy saving device (ESD) with suitable combinations for efficient water flow along the hull and propeller. Technical support for marine software development. Development of customized marine software based on need. EEDI and EEXI www.NauticalCFD.com
- 3. 息 Bond Marine Consultancy UK CFD Analysis for Ship & Offshore Structure www.NauticalCFD.com
- 4. 息 Bond Marine Consultancy UK CFD for different Applications and Projects Numerical Wave Tank (Unsteady waves) Slamming, Sloshing and Runup Green Water and Wedge Impact load analysis Analysis of propeller Trim curve generation using CFD Duct performance analysis using CFD Planner motion mechanism (Maneuvering) www.NauticalCFD.com
- 5. 息 Bond Marine Consultancy UK Energy Saving Solutions (ESS) for ships 1. Hull form optimization 2. Propulsion system optimization + Energy Saving Devices 3. Trim Optimization CFD ~ 40 % ~ 15 % ~ 30 % ~ 20 % www.NauticalCFD.com
- 6. 息 Bond Marine Consultancy UK CFD Software www.NauticalCFD.com
- 7. 息 Bond Marine Consultancy UK Commercial solver (Potential) used for Resistance Estimation Strip Theory Green Function Method Solvers: Seakeeper, NAPA and SWAN Hull Resistance High Speed Hull Hull-Meshing NAPA is used for most Calculations www.NauticalCFD.com
- 8. 息 Bond Marine Consultancy UK Hull Resistance CFD solver for Hull Resistance Prediction www.NauticalCFD.com
- 9. 息 Bond Marine Consultancy UK Seakeeping Potential Solver for Seakeeping of High Speed Ship Exciting Forces and Motions www.NauticalCFD.com
- 10. 息 Bond Marine Consultancy UK Seakeeping - Monohull Potential Solver for Seakeeping of High Speed Ship Exciting Forces and Motions
- 11. 息 Bond Marine Consultancy UK Seakeeping - Trimaran Trimaran Hull Analysis www.NauticalCFD.com
- 12. 息 Bond Marine Consultancy UK Maneuvering Commercial Solver is used for Maneuvering Calculations & If needed CFD can be used for Maneuvering coefficient Estimation www.NauticalCFD.com
- 13. 息 Bond Marine Consultancy UK Maneuvering Commercial Solver is used for Maneuvering Calculations & If needed CFD can be used for Maneuvering ZIG-ZAG MANEUVER TURNING CIRCLE MANEUVER
- 14. 息 Bond Marine Consultancy UK Acoustics ANSYS Fluent: Aero Acoustic Simulation The same model can be extendable for the ship hull and Propeller Reduction of Propeller Noise www.NauticalCFD.com
- 15. 息 Bond Marine Consultancy UK Hull Form Optimization www.NauticalCFD.com
- 16. 息 Bond Marine Consultancy UK Hull Form Optimization Tanker- KVLCC www.NauticalCFD.com
- 17. 息 Bond Marine Consultancy UK Hull Form Optimization Blending Factor (-10 to 10) www.NauticalCFD.com
- 18. 息 Bond Marine Consultancy UK Hull Form Optimization 0.5 -0.5 Blending Factor www.NauticalCFD.com
- 19. 息 Bond Marine Consultancy UK Hull Form Optimization 0.5 -0.5 Blending Factor 0.5 and 1 gives better Result Pe Laden % Pe Ballast % Avr RW % Target % The outcome of the optimization study was a design which saves more than 12.5% energy in the selected operational profile. www.NauticalCFD.com
- 20. 息 Bond Marine Consultancy UK Propulsion System Optimization www.NauticalCFD.com
- 21. 息 Bond Marine Consultancy UK Propulsion System Optimization www.NauticalCFD.com
- 22. 息 Bond Marine Consultancy UK Propulsion System Optimization and Energy Saving Devices Kort nozzle, Propeller boss fin cap Stators Rudder thrust fins Rudder bulbs Vortex generators Semi circular duct Mewis duct Wake equalizing duct Becker Mewis duct Fins Ducting www.NauticalCFD.com
- 23. Additional thrust fins Low viscous resistance fins Air lubrication system Windmills Rigid or soft sail to utilise wind energy Solar Energy Energy Saving Devices / Techniques www.NauticalCFD.com
- 24. 息 Bond Marine Consultancy UK To Bow? To Stern? Even Keel? Mean Draft Speed Trim Optimum Trim Trim Optimization www.NauticalCFD.com
- 25. 息 Bond Marine Consultancy UK Relative power changes in % Trim Optimization Optimum Trim www.NauticalCFD.com
- 26. 息 Bond Marine Consultancy UK CFD ANALYSIS Implement the operational profile (Draft, Trim and Speed) Estimate the required volume mesh height at water domain for each draft Panel creation for each draft Preprocessor Post processor Prepare trim curve plot and table (Relative power changes in %) 1 Point (STD) 2 Days 200 Point 400 Days Trim Optimization Because of cloud One day www.NauticalCFD.com
- 27. 息 Bond Marine Consultancy UK Saving Potential 1% ~ 4 % Trim Optimization
- 28. 息 Bond Marine Consultancy UK CFD Services - Reefer container Hold Analysis using CFD 5 vessels , Holds ducting and bulkhead opening modified all reefer containers M. Elangovan., Kumar A., Arora S. (2019), Duct Optimization and Performance Evaluation Using CFD for the Reefer Container Hold. Lecture Notes in Civil Engineering, vol 22. Springer, Singapore. https://doi.org/10.1007/978-981-13-3119-0_24 [Scopus/Book] www.NauticalCFD.com
- 29. 息 Bond Marine Consultancy UK www.NauticalCFD.com
- 30. 息 Bond Marine Consultancy UK T-avg C-01 C-02 C-03 C-04 C-05 C-06 C-07 C-08 C-09 C-10 C-11 R-01 44.1 44.3 50.2 48.8 49.2 47.6 45.6 50.4 50.2 44.3 43.8 R-02 39.9 39.8 42.2 42.7 43.2 40.7 40.0 44.3 42.3 39.4 39.8 R-03 38.6 38.8 41.1 41.3 41.6 38.8 39.9 41.6 41.8 38.6 38.7 R-04 37.8 37.8 41.3 40.3 41.9 39.5 40.6 41.4 42.2 37.7 38.0 R-05 37.5 38.6 39.2 41.5 39.0 39.7 40.7 38.8 37.3 R-06 39.0 39.5 38.1 37.7 37.4 www.NauticalCFD.com
- 31. 息 Bond Marine Consultancy UK CFD Analysis: Propeller Rotating Domain Outer Domain Total Domain Number of nodes 106076 22781 128857 Number of Elements 674323 133061 807384 A B-series propeller model in open water www.NauticalCFD.com
- 32. 息 Bond Marine Consultancy UK CFD Analysis: Propeller Pressure distribution on Front and back surface at J = 0.5 www.NauticalCFD.com
- 33. 息 Bond Marine Consultancy UK CFD Analysis: Propeller Comparison of Thrust and Torque 0.0000 0.0500 0.1000 0.1500 0.2000 0.2500 0.3000 0.3500 0.4000 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 Kt Kt(exp) 10 Kq 10 Kq (exp) The propeller is operated for a range of advance coefficients, J= 0.2 to 0.7 and the hydrodynamic characteristics are observed. The thrust and torque are in close agreement with the experimental data. The thrust coefficient (KT) calculated from simulation is nearly same as the experimental KT. Whereas, the calculated torque coefficient (KQ) is little lower than the experimental KQ. www.NauticalCFD.com
- 34. 息 Bond Marine Consultancy UK CFD Analysis: Fish Farming Smart Fish-farm www.NauticalCFD.com
- 35. 息 Bond Marine Consultancy UK CFD Services: Trim Curve Services suing CFD Draft [m] Trim [m] Speed [kn] 7 3 2.5 2 1.5 1 0.5 0 -.5 -1 14 17 20 23 6 3 2.5 2 1.5 1 0.5 0 -.5 -1 14 17 20 23 5 3 2.5 2 1.5 1 0.5 0 -.5 -1 14 17 20 23 I I TRIM 13 kn 15 kn 17 kn 19 kn 21 Kn 23 Kn -1.2 -2.96% -4.02% -2.53% -1.76% -2.02% 0.36% -0.8 -2.12% -3.20% -2.23% -1.47% -0.53% 0.21% -0.4 -1.80% -1.57% -1.90% -0.88% -0.51% 0.14% 0.0 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.4 2.94% 0.15% 2.10% 1.99% -0.17% 0.03% 0.8 3.08% 0.31% 2.51% 2.33% 0.31% -0.24% 1.2 3.62% 0.26% 3.16% 2.60% 0.48% -0.50% 1.6 4.02% 0.82% 3.97% 3.92% 0.70% -1.03% 2.0 4.77% 1.62% 4.96% 4.34% 0.86% -1.55% 2.4 5.30% 2.38% 6.26% 5.14% 0.79% -1.28% 2.8 7.74% 6.45% 9.40% 6.10% 1.61% -0.63% -4.00% -2.00% 0.00% 2.00% 4.00% 6.00% 8.00% -1.2 -0.8 -0.4 0 0.4 0.8 1.2 1.6 2 2.4 2.8 Draft 10.5 m 13 Kn 15 Kn 17 Kn 19 Kn 21 Kn 23 Kn Vessel Name: MV AGELES www.NauticalCFD.com
- 36. 息 Bond Marine Consultancy UK Optmisation of hull and propulsion system using CFD Suitable energy saving device combination for ship specific Provide trim curve services using CFD (Optimum Trim) Ready to support on Development of Ship Operation Software CFD is an alternate tool for Marine Experiment Analysis NauticalCFD can Offer www.NauticalCFD.com
- 37. Thank you ! Contact Us Sales & Business: Ms. Swetha Email: Shweta@proglobalmarine.com M: 877 720 4431