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REFERENCE LINKING PLATFORM OF KOREA S&T JOURNALS
> Journal Vol & Issue
Journal of Navigation and Port Research
Journal Basic Information
Journal DOI :
Korean Institute of Navigation and Port Research
Editor in Chief :
Volume & Issues
Volume 35, Issue 9 - Dec 2011
Volume 35, Issue 10 - Dec 2011
Volume 35, Issue 8 - Oct 2011
Volume 35, Issue 7 - Sep 2011
Volume 35, Issue 6 - Aug 2011
Volume 35, Issue 5 - Jun 2011
Volume 35, Issue 4 - Jun 2011
Volume 35, Issue 3 - Apr 2011
Volume 35, Issue 2 - Mar 2011
Volume 35, Issue 1 - Feb 2011
Selecting the target year
Evaluation and Selection of MEMS-Based Inertial Sensor to Implement Inertial Measurement Unit for a Small-Sized Vessel
Yim, Jeong-Bin ;
Journal of Navigation and Port Research, volume 35, issue 10, 2011, Pages 785~791
DOI : 10.5394/KINPR.2011.35.10.785
This paper describes the evaluation and selection of MEMS(Micro-Elect Mechanical System) based inertial sensor to fit to implement the Inertial Measurement Unit(IMU) for a small-sized vessel at sea. At first, the error model and the noise model of the inertial sensors are defined with Euler's equations and then, the inertial sensor evaluation is carried out with Allan Variance techniques and Monte Carlo simulation. As evaluation results for the five sensors, ADIS16405, SAR10Z, SAR100Grade100, LIS344ALH and ADXL103, the combination of gyroscope and accelerometer of ADIS16405 is shown minimum error having around 160 m/s standard deviation of velocity error and around 35 km standard deviation of position error after 600 seconds. Thus, we select the ADIS16405 inertial sensor as a MEMS-based inertial sensor to implement IMU and, the error reducing method is also considered with the search for reference papers.
A Study on improvement method of sounding density of ENCs
Oh, Se-Woong ; Lee, Moon-Jin ; Kim, Hye-Jin ; Suh, Sang-Hyun ;
Journal of Navigation and Port Research, volume 35, issue 10, 2011, Pages 793~798
DOI : 10.5394/KINPR.2011.35.10.793
ENCs are encoded using a numerical charts developed for publishing paper charts and serviced in forms of grid styles. For this reason, the density of ENCs' sounding information is not consistent and that requires improved methods. In this study, K-Means, ISODATA clustering algorithm as classification methods for satellite image was reviewed and adopted to this case study. The designed algorithm includes loading module for ENC data, improvement algorithm of sounding information, writing module of ENC data. According to the results of algorithm, we could confirm the improved result.
Hydrodynamic Interaction Effects Between Vessels in Confined Waters
Lee, Chun-Ki ;
Journal of Navigation and Port Research, volume 35, issue 10, 2011, Pages 799~804
DOI : 10.5394/KINPR.2011.35.10.799
The hydrodynamic interaction effects between the multi-bodies can not be neglected when vessels are close to each other in congested and confined waters, such as in a harbour or narrow channel. Increase in speed and size of modern vessels make it necessary to consider this interaction effects when designing harbours and navigation channels. In this research, the hydrodynamic interaction effects of the spacing between vessels and water depth along with ship's velocity are summarized and discussed. The goal of this research is to propose a guideline of appropriate speed and distance between passing and moored vessels to avoid the influence of hydrodynamic forces and to navigate safely in confined sea areas.
PIV Measurement of Viscous Flow Field in the Wake of Transom Stern
Lee, Gyoung-Woo ; Gim, Ok-Sok ;
Journal of Navigation and Port Research, volume 35, issue 10, 2011, Pages 805~810
DOI : 10.5394/KINPR.2011.35.10.805
An experiment was carried out to figure out the instantaneous flow characteristics in the wake of the transom stern's 2-dimensional section by 2-frame grey level cross correlation PIV method at
. The stern angles of models were learning at
(Model "B") and
(Model "C") respectively based on the survey results of real ships. The depth of wetted surface is 40mm from free surface. As Reynolds number increases, vortices increase in volume and move their way to the downstream. Flow separation appeared at the end of model's bottom.
Performance Analysis of the Underwater Acoustic Communication with Low Power Consumption by Sea Trials
Lee, Tae-Jin ; Kim, Ki-Man ;
Journal of Navigation and Port Research, volume 35, issue 10, 2011, Pages 811~816
DOI : 10.5394/KINPR.2011.35.10.811
In this paper, we analysis to consider the performance of PSPM (Phase Shift Pulse-position Modulation), the one of the low power communication technique, in near-field underwater sound channel by sea trial. PSPM is a QPSK(Quadrature Phase Shift Keying) modulation combined with PPM(Pulse Position Modulation) for low power communication in WBAN(Wireless Body Area Network). It is known that the bandwidth efficiency of PSPM is lower than conventional PSK but the power efficiency increases. In this paper, we will analyze the BER performance of PSPM using data acquired from the sea trials. The BER of QPSK was
, PSPM was
. Also, PSNR of QPSK was 9.37 dB and in case of PSPM was 9.11 dB.
Shipboard sewage treatment by SBR process with BM
Lee, Eon-Sung ; Kim, In-Soo ;
Journal of Navigation and Port Research, volume 35, issue 10, 2011, Pages 817~822
DOI : 10.5394/KINPR.2011.35.10.817
Lab scale experiment study was carried out for biological treatment process development in cruise. SBR(Sequence Batch Reactor) process with BM(Beneficial Microorganisms) was investigated for practical application on shipboard sewage treatment. From the results it was suggested that SBR process with BM might be a suitable process for cruise sewage treatment in terms of decrease in odorous compounds, maintenance of useful microorganisms and creating special environmental conditions. By adding BM to SBR system, odor unit of sulfur compounds was about 20 times reduced.
A Study on Residual Strength Assessment of Damaged Oil Tanker by Smith Method
Ahn, Hyung-Joon ; Baek, Deok-Pyo ; Lee, Tak-Kee ;
Journal of Navigation and Port Research, volume 35, issue 10, 2011, Pages 823~827
DOI : 10.5394/KINPR.2011.35.10.823
The present Common Structural Rules for double hull oil tanker is not included the residual strength, which is one of the functional requirements in design part of Goal-based new ship construction standards (GBS). The GBS will be enforced after July 1, 2016. The requirement related residual strength has the goal to build safe ship even if she has the specified damages due to marine accidents including collision and grounding. In order to assess the residual strength based on risk for structural damages according to GBS, tons of nonlinear FE analysis work taking into account various types of damage will be needed. The Smith's method, a kind of simplified method for the strength analysis is very useful for this purpose. In this paper, the residual strength assessments based on ultimate strength using Smith's method were carried out. The objected ship is VLCC with stranding damage in bottom structures. Also, the results were compared with that of nonlinear FE analysis using three cargo hold model.
The Influence of Seafarers' Social Identity on Turnover Intention
Kim, Jung-Man ; Lee, Do-Hwa ;
Journal of Navigation and Port Research, volume 35, issue 10, 2011, Pages 829~836
DOI : 10.5394/KINPR.2011.35.10.829
This study aims to empirically identify how the antecedents of seafarers' social identity(i.e., socialization, social support, perceived organizational support, status in organization) affect turnover intention via social identity. In order to achieve this objective, this study conducted covariance structure analysis on the questionnaire data collected from 362 seafarers. The main results are as follows: First of all, as social identity of seafarers increases, their turnover intention decreases. Secondly, as socialization, social support, and perceived organizational support increases, seafarers' social identity also increases. Finally, while socialization and social support decrease turnover intention only through social identity, perceived organizational support decreases turnover intention both directly and indirectly via social identity.
Identifying Priority of Subjects for Training Port Logistics Professionals in Secondary Education
Lee, Chang-Hoon ; Kang, Da-Yeon ; Chang, Myung-Hee ;
Journal of Navigation and Port Research, volume 35, issue 10, 2011, Pages 837~846
DOI : 10.5394/KINPR.2011.35.10.837
Due to its vast range of areas and scopes of port logistics, professional training for port logistics experts has faced a limitation to raise manpower that the nation and companies ask for. This study looks at the current and expected demand and supply of workforce to identify necessary subjects and competitive factors in secondary education for training port logistics experts. Based on previous studies, this study proposes an assessment model by eliciting the priority of subjects in secondary education. and then, provides reasons for decision making.
A Study on Promotion of Value Added Logistics(VAL) Activities of Lumber Hinterland in Incheon Northport
Chung, Tae-Won ; Han, Jong-Khill ;
Journal of Navigation and Port Research, volume 35, issue 10, 2011, Pages 847~853
DOI : 10.5394/KINPR.2011.35.10.847
The purpose of this study is to develope a series of business models for promotion of value added logistics activities of lumber hinterland in Incheon Northport. A set of policies to create value added developed are an import market diversification model using Incheon Northport, a model by building integration processing center by pallet facility, a model by joint logistics center, an export-oriented Pre-cut material development model and an export processing value added model.
An Empirical Study on the Effects of the Determinants of Service Quality to Customer Satisfaction in P＆I Insurance
Park, Beom-Shik ; Shin, Young-Ran ; Shin, Han-Won ;
Journal of Navigation and Port Research, volume 35, issue 10, 2011, Pages 855~861
DOI : 10.5394/KINPR.2011.35.10.855
With the rapid growth and development of the Korean Shipping Industry both in external quantum and internal complexity, the marine insurance industry has accordingly expanded with it. This empirical study analyzes the quality factors of the Insurance and P&I Services using 5 factors of quality measures with 22 questions regarding the effect on customer satisfaction by the services offered by the P&I Clubs. The Study is expected to provide P&I Clubs with management tactics for customer satisfaction and the subsequent continued patronage supported by their members through the enhancement of the service quality. This study also provides direction for ship-owners and the members of the P&I Clubs in finding the most efficient service provider as well as in proposing competitive prices of the P&I insurance premium as their management tactic.