Hydraulics Lab Impact of a Jet

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Hydraulics Lab Flow Over Sharp Crested Weirs

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Muat turun Nota Topic 2

Muat turun Nota Topic 2 (pdf file)


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Hydraulics Presentation Lecture Note

Hydraulics Presentation Lecture Note (ppt file)

Hydraulics Presentation

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An Introduction to Fluid Mechanics

Contents of the Course
0.1 Objectives:
x The course will introduce fluid mechanics and establish its relevance in civil
x Develop the fundamental principles underlying the subject.
x Demonstrate how these are used for the design of simple hydraulic components.
0.2 Consists of:
x Lectures:
20 Classes presenting the concepts, theory and application.
Worked examples will also be given to demonstrate how the theory is applied. You
will be asked to do some calculations – so bring a calculator.
x Assessment:
1 Exam of 2 hours, worth 80% of the module credits.
This consists of 6 questions of which you choose 4.
2 Multiple choice question (MCQ) papers, worth 10% of the module credits.
These will be for 30mins and set during the lectures. The timetable for these MCQs
and lectures is shown in the table at the end of this section.
1 Marked problem sheet, worth 10% of the module credits.
x Laboratories: 2 x 3 hours
These two laboratory sessions examine how well the theoretical analysis of fluid
dynamics describes what we observe in practice.
During the laboratory you will take measurements and draw various graphs according
to the details on the laboratory sheets. These graphs can be compared with those
obtained from theoretical analysis.
You will be expected to draw conclusions as to the validity of the theory based on the
results you have obtained and the experimental procedure.
After you have completed the two laboratories you should have obtained a greater
understanding as to how the theory relates to practice, what parameters are important
in analysis of fluid and where theoretical predictions and experimental measurements
may differ.
The two laboratories sessions are:
1. Impact of jets on various shaped surfaces – a jet of water is fired at a target
and is deflected in various directions. This is an example of the application of
the momentum equation.
2. The rectangular weir – the weir is used as a flow measuring device. Its
accuracy is investigated. This is an example of how the Bernoulli (energy)
equation is applied to analyses fluid flow.

[As you know, these laboratory sessions are compulsory course-work. You must
attend them. Should you fail to attend either one you will be asked to complete
some extra work. This will involve a detailed report and further questions. The
simplest strategy is to do the lab.]
x Homework:
Example sheets: These will be given for each section of the course. Doing these will
greatly improve your exam mark. They are course work but do not have credits
toward the module.
Lecture notes: Theses should be studied but explain only the basic outline of the
necessary concepts and ideas.
Books: It is very important do some extra reading in this subject. To do the examples
you will definitely need a textbook. Any one of those identified below is adequate and
will also be useful for the fluids (and other) modules in higher years – and in work.
x Example classes:
There will be example classes each week. You may bring any problems/questions
you have about the course and example sheets to these classes.

Introduction to Fluid Mechanics

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Pengenalan Semester 3


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The road to suc…

The road to success is always under construction”

Engineers … are not superhuman. They make mistakes in their assumptions, in their calculations, in their conclusions. That they make mistakes is forgivable; that they catch them is imperative. Thus it is the essence of modern engineering not only to be able to check one’s own work but also to have one’s work checked and to be able to check the work of others.
– Henry Petroski

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