# CVEN2002W Hydraulics 1

This module is a foundation course in Civil Engineering hydraulics and presents fundamental principles that will be further developed in subsequent years of the course. The course will take place in Spring and will consist of 36 hours of lectures, 3 no. of laboratory exercises, 4 no. of tutorials and an end of trimester examination. The syllabus will commence with important definitions, notation, fluid properties and methods for visualising fluid flow. Hydrostatics is the study of fluid at rest and the analysis of forces, frequently specified in terms of pressure, on submerged bodies and other surfaces will be explained and investigated. Cases of buoyancy and the stability of floating objects will also be analysed. Differences between ideal and real fluids are important in hydraulics and will be covered. The syllabus will develop to include situations where fluid is moving (rather than being static) in both closed conduits (pipes) and open channels (rivers and streams). The types and classifications of these flows will be presented. The fundamentals of fluid flow that include continuity (mass conservation) together with the Bernoulli (and energy) and momentum equations will be presented and applications of these will be explained using engineering examples. The course will be limited mainly to steady flow cases in open and closed conduits with more complex flow types and systems being covered in the Stage 3 Hydraulics II module. Understanding friction (and other energy losses) in these hydraulic systems is important and ways of representing frictional effects will be presented. Worked examples are again used to develop these principles.

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Curricular information is subject to change

Learning Outcomes:

On completion of this module, students should be able to:(1) describe the characteristics of a fluid and explain what different fluid properties mean; (2) distinguish between the properties of different fluids; (3) apply hydrostatic and force balance relationships to solve problems in stationary fluids; (4) differentiate between laminar and different types of turbulent flow; (5) classify flows in terms of how parameters vary with time and distance; (6) formulate the conservation laws of fluid flow; (7) analyse closed conduit and open channel hydraulic systems to apply these laws and determine parameter values for steady uniform flow situations; (8) demonstrate that you understand the role of friction in open channel and closed conduit hydraulic systems; (9) calculate energy losses in closed conduits; (10) design a closed conduit hydraulic system to convey a specified flow at a given pressure; (11) plan and conduct experiments, analyse and interpret the results and write up your findings in a coherent and logical manner.

Student Effort Hours:
Student Effort Type Hours
Lectures

36

Tutorial

8

Laboratories

6

Autonomous Student Learning

70

Total

120

Approaches to Teaching and Learning:
Learning approaches in this module will be varied and will include lectures supported by active learning interventions. These interventions will require student input (individually and in small learning communities) such that a social and collabortive learning environment is created. Theoretical components of the module will be presented in lectures and real world-problems in hydrostatics, closed conduit flow and open channel hydraulics will be introduced (in lectures and tutorials) through enquiry and problem-basd learning. Argumentation and debate will be encouraged. The learning approaches will promote the development of critical thinking skills and dispositions in students. Laboratory exercises will be used to further explain the theory and concepts of lectures and to provide students with first-hand experience of laboratory measuring. Laboratory reports will be submitted for assessment.
Requirements, Exclusions and Recommendations

Not applicable to this module.

Module Requisites and Incompatibles
This module is delivered overseas and is not available to students based at the UCD Belfield or UCD Blackrock campuses.

Equivalents:
Hydraulics 1 (OVSE2003W)

Assessment Strategy
Description Timing Open Book Exam Component Scale Must Pass Component % of Final Grade
Continuous Assessment: Tutorial sessions, Laboratory exercises and Classroom Tests throughout the trimester. Throughout the Trimester n/a Graded No

30

Examination: End of trimester examination 2 hour End of Trimester Exam No Graded No

70

Carry forward of passed components
Yes

Resit In Terminal Exam
Summer Yes - 2 Hour