Impact of Wind-Assisted Propulsion on Fuel Savings and Propeller Efficiency: A Case Study
Abstract
:1. Introduction
2. Methodology
2.1. Aerodynamic Forces
2.2. Propeller
2.3. Weather and Route
3. Case Study Ship Model
4. Results and Discussion
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Input Data | Value | Unit |
---|---|---|
Ship speed, Vb | 26.8 | kn |
Propeller revolutions, n | 109.5 | min−1 |
Propeller diameter, D | 8900 | mm |
Propeller pitch (mean), P | 8320 | mm |
Number of blades, z | 6 | - |
Surface area ratio, Ae/Ao | 0.841 | - |
Wake fraction coefficient, w | 0.312 | - |
Thrust deduction coefficient, t | 0.1 | - |
Fluid density, ρ | 1025 | kg/m3 |
Fluid kinematic viscosity, ν | 1.083 × 10−6 | m2/s |
Particulars | Information/Value | Unit |
---|---|---|
Vessel type | Container carrier | - |
Vessel speed | 26.8 | kn |
Engine type | Hyundai B&W 12K98ME-C | - |
Engine power (N.C.R.), Pe | 72240 @ 104 RPM | kW |
Length overall, L | 363 | m |
Breadth, B | 45.6 | m |
Deadweight, DWT | 131863 | t |
Initial Condition | 20% from WAPS | 40% from WAPS | Unit | |
---|---|---|---|---|
Vessel speed, Vb | 26.8 | 26.8 | 26.8 | kn |
Engine power, Pe | 65,016 | 49,874 | 35,803 | kW |
Engine speed, RPM | 109.5 | 100.1 | 93.0 | min−1 |
Thrust, T | 4351 | 3481 | 2611 | kN |
Net thrust, Tnet | 3916 | 3133 | 2350 | kN |
Torque, M | 5838 | 4760 | 3675 | kNm |
Propeller efficiency, η0 | 0.63 | 0.66 | 0.69 | - |
Thrust coefficient, Kt | 0.2147500 | 0.1946218 | 0.1688853 | - |
Torque coefficient, Kq | 0.0323761 | 0.0299008 | 0.0267151 | - |
Advance coefficient, J | 0.5997212 | 0.6383137 | 0.6866077 | - |
Specific fuel oil consumption, SFOC | 172.1 | 168.6 | 170.8 | g/kWh |
Daily fuel consumption | 268.55 | 201.81 | 146.8 | t |
Savings relative to initial condition | - | 24.85 | 45.33 | % |
Parameter | Sensitivity Factor |
---|---|
True Wind Speed, Vt | 9.04 |
True Wind Angle, βt | 3.56 |
Ship Speed, Vb | 4.8 |
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Čalić, A.; Jurić, Z.; Katalinić, M. Impact of Wind-Assisted Propulsion on Fuel Savings and Propeller Efficiency: A Case Study. J. Mar. Sci. Eng. 2024, 12, 2100. https://doi.org/10.3390/jmse12112100
Čalić A, Jurić Z, Katalinić M. Impact of Wind-Assisted Propulsion on Fuel Savings and Propeller Efficiency: A Case Study. Journal of Marine Science and Engineering. 2024; 12(11):2100. https://doi.org/10.3390/jmse12112100
Chicago/Turabian StyleČalić, Ante, Zdeslav Jurić, and Marko Katalinić. 2024. "Impact of Wind-Assisted Propulsion on Fuel Savings and Propeller Efficiency: A Case Study" Journal of Marine Science and Engineering 12, no. 11: 2100. https://doi.org/10.3390/jmse12112100
APA StyleČalić, A., Jurić, Z., & Katalinić, M. (2024). Impact of Wind-Assisted Propulsion on Fuel Savings and Propeller Efficiency: A Case Study. Journal of Marine Science and Engineering, 12(11), 2100. https://doi.org/10.3390/jmse12112100