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  • Maritime Science
Cavitation on Ship Propellers
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CC BY-NC-SA
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Summary: Cavitation is the transition of a fluid into vapour due to local reduction of pressure which is generated by high local flow velocities. The transition of a fluid into vapour also occurs during cooking of water by an increase of the local temperature. The term cavitation is generally reserved for conditions in which the temperature of the bulk fluid is not changed. Although cavitation can occur in many situations this course focuses on ship hydrodynamics and ship propellers. The course is divided into five main groups: physics, types and effects of cavitation as well as calculations and test facilities and techniques. Some of these topics are illustrated with the use of videos. (Study goals:) 1. Reproduce the main lines in a selection of the latest developments in the field of propulsion and resistance hydrodynamics, where the current selection of propulsion and resistance topics includes unsteady hydrodynamics of the flow over a foil, cavitation forms, problems and tools for analysis and design, propulsion systems in a service environment and ship drag reduction by air lubrication. 2. Analyse a hydrodynamic problem in the propulsion and resistance area, into well defined sub problems that can be analysed with state of the art knowledge and tools 3. Select the appropriate theory or tool (either numerical or experimental) for an analysis of the identified problem. 4. Reproduce and present to an audience, the main lines in a contemporary publication from the field of Propulsion and Resistance hydrodynamics. 5. Understand, interpret and react to questions from the audience and the lecturer and in doing so, stimulate the scientific debate.

Subject:
Engineering
Maritime Science
Material Type:
Lecture
Reading
Textbook
Provider:
Delft University of Technology
Provider Set:
Delft University OpenCourseWare
Author:
T.J.C. van Terwisga
Date Added:
02/04/2016
The Delft Sand, Clay & Rock Cutting Model
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CC BY-NC-SA
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In dredging, trenching, (deep sea) mining, drilling, tunnel boring and many other applications, sand, clay or rock has to be excavated. This book gives an overview of cutting theories. It starts with a generic model, which is valid for all types of soil (sand, clay and rock) after which the specifics of dry sand, water saturated sand, clay, atmospheric rock and hyperbaric rock are covered. For each soil type small blade angles and large blade angles, resulting in a wedge in front of the blade, are discussed. For each case considered, the equations/model for the cutting forces, power and specific energy are given. The models are verified with laboratory research, mainly at the Delft University of Technology, but also with data from literature.

Subject:
Engineering
Maritime Science
Material Type:
Textbook
Author:
Sape A. Miedema
Date Added:
01/24/2019
Design of Dredging Equipment
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CC BY-NC-SA
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Dredging equipment, mechanical dredgers, hydraulic dredgers, boundary conditions, design criteria, instrumentation and automation.

Subject:
Engineering
Maritime Science
Material Type:
Activity/Lab
Lecture Notes
Reading
Provider:
Delft University of Technology
Provider Set:
Delft University OpenCourseWare
Author:
S.A. Miedema
Date Added:
02/16/2011
Dredging Engineering: Special Topics
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CC BY-NC-SA
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In dredging, production estimating is carried out mainly with analytical physical models of the different dredging processes.
Slurry transport of settling slurries and cutting processes in sand, clay and rock are already covered in two other books by the author.
Other processes like hopper sedimentation and erosion, water jet fluidization, cutter head spillage, pump/pipeline dynamics and clamshell dredging are covered in this Special Topics Edition.
New topics may be added in the near future.

Subject:
Engineering
Maritime Science
Material Type:
Textbook
Author:
S.A. Miedema
Date Added:
07/15/2019
Dredging Processes
Conditional Remix & Share Permitted
CC BY-NC-SA
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The course focuses on three main dredging processes: the cutting of sand, clay and rock, the sedimentation process in hopper dredges and the breaching process

Subject:
Engineering
Maritime Science
Material Type:
Activity/Lab
Assessment
Lecture Notes
Reading
Provider:
Delft University of Technology
Provider Set:
Delft University OpenCourseWare
Author:
S.A. Miedema
Date Added:
02/15/2016
Florida Shipwrecks: 300 Years of Maritime History
Unrestricted Use
Public Domain
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This is a travel itinerary featuring 13 historic shipwrecks in waters near Florida, a convergence point for maritime trade routes. Learn about the historical significance of these 13 shipwrecks. See photos and an essay on Florida maritime history.

Subject:
Arts and Humanities
Maritime Science
Material Type:
Reading
Provider:
National Park Service
Date Added:
08/02/2007
Maritime History of Massachusetts
Unrestricted Use
Public Domain
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This is is a travel itinerary highlighting 89 historic places that tell the story of Massachusetts' relationship with the sea. Read essays about lighthouses and lifesaving stations, ships and shipbuilding, the U.S. Navy, and maritime commerce.

Subject:
Arts and Humanities
Maritime Science
U.S. History
Material Type:
Reading
Provider:
National Park Service
Date Added:
06/29/2007
Offshore Moorings
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CC BY-NC-SA
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The course treats the design of offshore mooring systems literally from the ground up: Starting with the anchor and its soils mechanics in the sea bed, via the mechanics of a single mooring line and system of lines. The course concludes by touching on other mooring concepts and the dynamic behavior of the moored object as a non-linear mechanical system.

Subject:
Engineering
Maritime Science
Material Type:
Activity/Lab
Reading
Provider:
Delft University of Technology
Provider Set:
Delft University OpenCourseWare
Author:
S.A. Miedema
Date Added:
02/10/2016
Slurry Transport: Fundamentals, A Historical Overview & The Delft Head Loss & Limit Deposit Velocity Framework 2nd Edition
Conditional Remix & Share Permitted
CC BY-NC-SA
Rating
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In dredging, trenching, (deep sea) mining, drilling, tunnel boring and many other applications, sand, clay or rock has to be excavated.The book covers horizontal transport of settling slurries (Newtonian slurries). Non-settling (non-Newtonian) slurries are not covered.

Subject:
Engineering
Maritime Science
Material Type:
Textbook
Provider:
Delft University of Technology
Provider Set:
Delft University OpenCourseWare
Author:
Sape A. Miedema
Date Added:
02/07/2019
Supporting Science Learning During COVID-19
Unrestricted Use
CC BY
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During the COVID-19 crisis, many educators and families are looking for helpful educational resources. There are many opportunities to engage in safe, meaningful science learning in your home and neighborhood. Science teachers, district science coordinators, and other science education leaders are working to provide advice and resources to support families.

These resources might be useful to educators, families, and educational leaders. They were developed by members of the Council of State Science Supervisors (CSSS).

Subject:
Environmental Science
Information Science
Maritime Science
Life Science
Physical Science
Atmospheric Science
Geology
Material Type:
Teaching/Learning Strategy
Author:
Council of State Science Supervisors (CSSS)
Date Added:
04/17/2020
UN Sustainable Development Goals (SDGs) - Interactive Mind Map
Unrestricted Use
CC BY
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An interactive reference work on the UN Sustainable Development Goals with short introductions to the goals, the official translations and numbering of the 17 goals and the 169 underlying targets, zoom in / zoom out at goal or target level, powerful search function, and "deep" hyperlinks to the UN website about the goals.Compact and online available interactive reference work that can be useful in all kinds of learning activities related to the SDGs.Currently available in English, Spanish, French and Dutch.Free to use online, but also to download and "embed" in other websites (HTML5); the source code is also freely available (MMAP).

Subject:
Environmental Science
Health, Medicine and Nursing
Business and Communication
Career and Technical Education
Agriculture
Criminal Justice
Electronic Technology
Environmental Studies
Manufacturing
Maritime Science
Education
Law
Life Science
Ecology
Forestry and Agriculture
Measurement and Data
Physical Science
Hydrology
Oceanography
Cultural Geography
Economics
Ethnic Studies
Political Science
Social Work
Women's Studies
Material Type:
Activity/Lab
Homework/Assignment
Interactive
Primary Source
Unit of Study
Author:
Pieter van der Hijden
Date Added:
04/07/2021