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武汉理工大学轮机仿真及控制技术英文课件Lecture3 P-I-D engine speed governors
武汉理工大学 轮机仿真及控制技术 英文 课件 Lecture3 P-I-D engine speed governors
2015/6/1
武汉理工大学轮机仿真及控制技术英文课件Lecture3 P-I-D engine speed governors。
Speed-Up of Acoustic Propagation Program by Time-Domain Difference Method Using a Supercomputer
Acoustic Propagation Program Time-Domain Difference Method Supercomputer
2009/8/19
The FDTD (Finite Difference Time Domain) method is a simple and high-precision numerical method in the underwater acoustic field. For large-scale underwater acoustic field simulations with the FDTD me...
High-Speed Acoustic Network for Seafloor Geodetic Observation Robot System
Acoustic communications Underwater acoustic network Underwater networking
2009/8/19
A seafloor geodetic observation robot network system requires a high bit rate and low error rate to enable it to successfully upload a large amount of observed geodetic data and download commands with...
Measurements of Sound-Speed in the Tissue of Juvenile Southern Bluefin Tuna（Thunnus maccoyii）for Target Strength Estimation
Juvenile Southern Bluefin Tuna Thunnus maccoyii Target Strength Estimation
2009/8/19
The ratio between the speed of sound in animals and that of the surrounding water (the sound-speed contrast), particularly for fish lacking any gas-filled organs or for zooplankton, is an important pa...
Measurements of Specific Density of and Sound Speed in Nomura's Jellyfish Nemopilema nomurai to Estimate their Target Strength using a Theoretical Scattering Model
Specific Density Nomura's Jellyfish Nemopilema nomurai Theoretical Scattering Model
2009/8/19
The jellyfish Nemopilema nomurai, which reaches up to 2 m in diameter and 200 kg in weight, has appeared in large numbers in the Sea of Japan during the last several years and has had a negative effec...
Numerical Investigations of Hydrodynamic Forces Acting on a Ship Hull under Lateral Low Speed Motion
Berthing Maneuver Transitional Hydrodynamic Forces Lateral Motion Lateral Drag Force CFD Simulation
2009/5/18
This paper describes the hydrodynamic forces acting on a ship hull undergoing lateral berthing maneuver. The hydrodynamic forces acting on the ship hull shows quite complicate and transitional charact...
Development of Resistance Test for High-Speed Planing Craft Using Very Small Models—Scale Effects on Drag Forces—
High-Speed Planing Craft Resistance Test Scale Effects Drag Force Lift Force Frictional Resistance Residual Resistance Transom Stern
2009/5/18
In order to develop a resistance test method for high speed planing craft using a very small model, the scale effects on wetted surface area, frictional resistance and pressure forces acting on a smal...
Characteristics of Longitudinal Motions of a Planing Craft in Head Waves at Very High-Speed—Effect of Surging on Heaving and Pitching—
High-Speed Planing Craft Stability Longitudinal Motion Surge Heave Pitch
2009/5/12
In this study, characteristics of longitudinal motions of a planing craft running at very high-speed in regular head waves are experimentally and theoretically investigated. The results of experiments...
A Study on Automatic Ship Berthing Using Parallel Neural Controller(2nd Report)—Motion Identification Considering Lateral Speed and Angular Velocity to cope with Disturbances—
Automatic Ship Berthing Motion Identification Neural Networks Control
2009/5/12
In this paper, motion identification using ANN and its application to automatic ship berthing will be discussed. Motion identification method is adopted to estimate the effect of disturbances and then...
Prediction of Propulsive Performance of High-Speed Boats using a CFD Simulation Method (1st Report)
CFD Simulation High-Speed Boat Running Attitude Resistance Coefficient
2009/5/12
The applicability of CFD simulations for the prediction of the propulsive performance characteristics of high-speed boats is examined. In this report, a CFD code, WIDSAN-VIII, is used for simulations ...
A wave maker for a circulating water channel and experiments for a high-speed boat in head waves
circulating water channel high-speed boat head waves
2009/4/30
A wave maker for a circulating water channel is newly designed and constructed and its wave making properties are reported. The characteristics obtained experimentally for the cases of 5 velocities a...
Influence of Outrigger Position on the Performaces of a High Speed Trimaran(1st Report: Resistance and Wave Wash)
Outrigger Position High Speed Trimaran
2009/4/30
Influence of outrigger position of a high speed trimaran on the resistance and wave wash was investigated by the tank tests changing 9 outrigger positions of the trimaran model. The trimaran is compos...
Variable Rotational Speed Control for Fixed-pitch Type Wind Turbines Using LPV Techniques
Rotational Speed Fixed-pitch Type LPV
2009/4/30
In the paper, we consider the problem of variable rotational speed control for a wind turbine with the pitch fixed from the view point of scheduling by wind speed. For this problem, we apply LPV (Line...
A Study on Viscous Effects of Roll Damping for Multi-Hull High-Speed Craft
Viscous Effects Roll Damping Multi-Hull High-Speed Craft
2009/4/29
The roll damping plays a very important part of amplitude of roll motion in resonance and trigger of parametric rolling of a ship. Since the viscous damping components are usually dominant in the roll...
An experimental study on roll instability of high-speed boats
experimental study roll instability high-speed boats
2009/4/29
Using two hard chine boat models, a torpedo boat with broad span and a passenger ferry with narrow span, fundamental data related to roll instability is obtained from static and dynamic inclining test...