نتایج جستجو برای: ships

تعداد نتایج: 10195  

2008
Hubert Klüpfel H. Klüpfel

This paper deals with various aspects of ship evacuation: Guidelines, Simulation, Validation, and Acceptance Criteria. The paper is structured along those aspects. The first chapter deals with general aspects of ship evacuation, like environmental influences, ship motion, the special procedures on board ships, etc. The second chapter covers the guidelines applicable to evacuation analyses for p...

2017
Pengfei Lv Yuan Zhuang Jian Deng Wei Su

In the present study, formal safety assessment (FSA) is introduced to investigate lockage safety of LNG-fueled ships. Risk sources during lockage of LNG-fueled ships in four typical scenarios, namely, navigation between two dams, lockage, anchorage, and fueling, are identified, and studied in combination with fundamental leakage probabilities of various components of LNG storage tanks, and simu...

2009
G. N. Mercer

Both Royal Australian Air Force (RAAF) and Border Protection Command (BPC) aircraft fly maritime surveillance missions for the Australian Government on a regular basis. These missions involve searching particular areas of interest (AIs) for illegal fishing or people smuggling activities. In this work a square AI is considered, with an aircraft tasked to search for ships using its sensors (e.g.,...

2013
Megan F. McKenna Sean M. Wiggins John A. Hildebrand

Low-frequency ocean ambient noise is dominated by noise from commercial ships, yet understanding how individual ships contribute deserves further investigation. This study develops and evaluates statistical models of container ship noise in relation to design characteristics, operational conditions, and oceanographic settings. Five-hundred ship passages and nineteen covariates were used to buil...

2009
Haiyan Li Yijun He Wenguang Wang

The convolution between co-polarization amplitude only data is studied to improve ship detection performance. The different statistical behaviors of ships and surrounding ocean are characterized a by two-dimensional convolution function (2D-CF) between different polarization channels. The convolution value of the ocean decreases relative to initial data, while that of ships increases. Therefore...

Journal: :JOURNAL OF THE JAPAN WELDING SOCIETY 2012

Introduction: For 10 years, Brazil has presented a significant flow in cruise ships with 597 011 travelers in 2015. Cruise ships represent a major mass gathering capacity, generating more risk of outbreaks and epidemics. Moreover, visiting several places presents travelers with the possibility of contact with some tropical diseases, which demands the development of specific pol...

Journal: :International maritime health 2010
Varvara A Mouchtouri Gordon Nichols George Rachiotis Jenny Kremastinou Ioannis S Arvanitoyannis Tobias Riemer Bogdan Jaremin Christos Hadjichristodoulou

BACKGROUND The purpose of this report is to describe issues relevant to public health and to review all passenger ship associated diseases and outbreaks. Moreover, legislation and practices on sanitation and diseases surveillance related to ships internationally were also reviewed. Some relevant historical information about infections on merchant ships is provided as well. MATERIAL AND METHOD...

1999
MARK DEMARIA JOHN KAPLAN

Updates to the Statistical Hurricane Intensity Prediction Scheme (SHIPS) for the Atlantic basin are described. SHIPS combines climatological, persistence, and synoptic predictors to forecast intensity changes using a multiple regression technique. The original version of the model was developed for the Atlantic basin and was run in near–real time at the Hurricane Research Division beginning in ...

Journal: :Environmental science & technology 2007
Chengfeng Wang James J Corbett James J Winebrake

We model cost-effectiveness of control strategies for reducing SO2 emissions from U.S. foreign commerce ships traveling in existing European or hypothetical U.S. West Coast SO(x) Emission Control Areas (SECAs) under international maritime regulations. Variation among marginal costs of control for individual ships choosing between fuel-switching and aftertreatment reveals cost-saving potential o...

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