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Inventions from the north east
Annie Russell
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You will find out 1. What are the BIG marine inventions from the
north east 2. What type of fishing boat is famous from the
north east 3. What do you think a futuristic ship will look like
Todays Plan
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School of Marine Science and Technology
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How do we use the ocean?
Protein Source
Renewable
Energy
Transport
Marine
Biotechnology
Minerals
Recreation
Regulating
Climate Change
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Have you ever Eaten Seaweed?
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What do we use Algae for?
X X
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What do we use Algae for? What do we use Algae for?
X X
X
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Marine Technology at Newcastle
• Undergraduate degrees • Marine Engineering • Naval Architecture • Off shore engineering • Small craft technology
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Towing Tank Wind Wave Current Tank
Flow Cell
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Unique facilities - The only Cavitation Tunnel in the UK
Originally commissioned in 1951
£1m plus investment in 2007 to give higher speed capability with matching control
systems
Activities include propeller cavitations, noise, propulsion, renewable energy turbines,
coatings
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What Ships do you know?
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Bulk Carrier Transports coal and minerals
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Cruise Vessel Transports people
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Container Ship Transports electrical and consumer goods
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Natural Gas Carrier Transports LNG (natural gas)
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Oil Tanker
Transports crude oil
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RoRo Vessel
Transports vehicles such as cars, trains and lorries
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Woodchip Carrier Transports raw materials from forestry
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Reefer Carrier Transports perishable goods
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Dredger Digs sediment from the sea bed and transports sand and gravel
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Fishing vessel Hunts fish
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Engineering from the north east
Turbinia was built in 1894 by Charles Parsons and changed the face of maritime history.
Turbinia was built in 1894 by Charles Parsons and changed the face of maritime history.
• It was the first ship to be powered by a steam turbine and, in 1897, was the fastest ship in the world.
• Turbinia was built in 1894 by Charles Parsons and changed the face of maritime history.
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Inventions from the north east
Fish trawling – discovered by accident!
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Ship Building
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Ship building today
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Inventions from the north east
Northumbrian Coble
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Newcastle University
Renewable energies
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Ballast water and invasive species
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Challenge – Futuristic Ships
• What are they going to look like?
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Ship
Design
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What is the ships
purpose?
Which ports?
How fast? Who is it for?
Why a ship? Ship
Design
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Designing a ship
We need to follow a certain number of rules….
Two of the most important rules are:
1. The boat must float on top of
the water and remain
upright.
2. The boat must be able to
move.
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Weight
Up thrust
1. The boat must float on top of the water and remain upright.
What physical factors do we need to consider to
achieve this?
Buoyancy (keeping a float) • When forces are balanced: Ships
float.
• Lower density - greater buoyancy
due to higher displacement of
surrounding water – Archimedes
Stability (Staying upright ) • Greater buoyancy = less stable
• Requires a low centre of gravity
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Thrust Force > Drag Force
2. The boat must be able to move.
What physical factors do we need to consider to here?
Thrust
• When forces are balanced: ships
are stationary
Thrust Force = Drag Force
What needs to happen so that a ship can move
through the water and transport cargo from A to B!
Therefore;
Ship’s engines must provide enough power (thrust) to
overcome drag (water resistance, which is a form of
friction)
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Which of these shapes is more streamlined
Vs. Curved Straight
edged
Vs. Smooth Rough
Designing our ship
Comparing
surface texture
2. Eliminating drag and resistance
Which of these shapes will create less drag on the ship?
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…we need to test how efficient it is.
Once we have designed and made our own
ship….
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Testing efficiency
High efficiency = $$$$$$$$
How does a streamlined boat save the shipping company money?
Less drag = Less fuel
Less fuel = Less pollution
Environmentally friendly:
Why do we worry about efficiency?