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School of Civil and

Environmental Engineering

ENGG1000: CIVIL-ENVIRONMENTAL

INFRASTRUCTURE (WAVE POWER

DEVICE)

PROJECT

CVEN03

Objectives

The objectives of this project are to introduce you to a design project which includes both civil and environmentalaspects, and in which the natural variability of environmental conditions is a key consideration in the design andtesting.

A short series of lectures will introduce you to the field of coastal engineering, and you will gain experiencebuilding and testing a scale model of your wave energy device in a laboratory wave flume.

Design Task

Design, construct and test a scaled physical model of a waveenergy device. Working in groups of 6, you will design,construct and test the performance of a wave power device.Waves are a source of renewable energy. Driven by waves, thedevice is to be designed to harness the power of sea waves togenerate power. Some limitations on the construction of yourmodel will be necessary and your designs will be tested in awave tank in the Civil and Environmental EngineeringBuilding. Marks will be awarded based on construction and

aesthetics as well as performance of your model.

Design Report Source:http://www.irishscientist.ie/p186a.htm)

The design report will include sections on:

the design philosophywhy did you choose this design?

difficulties encountered and if and how you overcame them,

test conditions and their selection,

measurements undertaken on the model, and a CAD drawing of the structure

Project Lectures

Table 1: Lecture template for Project 3

Project 3 Specific Lectures Lectures in common with Projects 1, 2 & 4

Energy; environmental variability; equilibrium theory oftides.

Tides and water level variation; water level rise due to

climate change.

Coastal engineering; waves and wave processes; tidalpower, wave power.

Teamwork

Sustainable design and construction technologies andpractices. Societal and environmental ethics

Engineering drawing (CAD).

http://www.irishscientist.ie/p186a.htmhttp://www.irishscientist.ie/p186a.htmhttp://www.irishscientist.ie/p186a.htmhttp://www.irishscientist.ie/p186a.htm

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ENGG1000 - CVEN PROJECT 03 (WAVE POWER DEVICE)

NOTICE TO DESIGNERS

Scope

Design, build and test a Wave Power Device (WPD) from any materials of your choice e.g. timber, plastic,perspex, plaster of paris, papier mache (waterproofed), cement, nails, pins, screws, water resistant glue and wire.

The WPD is to be portable and robust so that it can be easily placed and positioned (including rotated by 20o) in

the wave tank, as well as aesthetically pleasing.

Deliverables

A draft report by Monday Week 7

Scrutineering, testing of WPD and submission of final report by Monday Week 11

Prequalification of Modellers

Designers shall work in teams comprising undergraduate students enrolled in Design and Innovation at UNSW

(ENGG1000).

Instructions to Contractors

1. The WPD is to be of the Oscillating Water Column type.

2. The WPD must fit within the width of the wave tank in which it is to be tested.

3. The WPD is to be equipped with a cylindrical vent exactly1cm in diameterand protruding at least 2cm above

the top of the air chamber and made from a robust material. The purpose of this is to enable the maximum air

velocity (and therefore the maximum air flow) to be measured.

4. Any construction method is permissible.

5. Minor revisions of these Instructions are possible during the course of this project. You will be informed of any

changes, particularly to Instruction 3 above.

Testing

Modellers shall arrive on site at the appointed time with completed WPDs. Before testing, the WPD project form

must be completed and handed to the client or their representative.

The test conditions are yet to be specified. They may include measuring the air flow with the WPD subject to

several different environmental conditions viz wave height, wave direction, water depth. The exact conditions are

yet to be specified.

Assessment Criteria for Models

Points will be awarded as follows:

a) Design, construction and artistic appearance up to 70 (seventy) points.

b) Performance: for the WPD with the highest air flow30 (thirty) points;

for the WPD with the lowest air flow10 (ten) points, and

a linear scaling for intermediate air flows.