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# ENV3104 Hydraulics II

 Semester 1, 2022 Toowoomba On-campus Units : 1 Faculty or Section : Faculty of Health, Engineering and Sciences School or Department : School of Agriculture and Environmental Science Student contribution band : Band 2 Grading basis : Graded Version produced : 27 June 2022

## Staffing

Examiner: Kamrun Nahar

## Requisites

Pre-requisite: ENV1101 or ENV2103 or Students must be enrolled in one of the following Programs: GCEN or METC or MEPR or GCNS or GDNS or MENS

## Overview

The emphasis of this course is the application of hydraulic theory to the solution of problems commonly encountered in engineering hydraulics and to the design of hydraulic systems and structures. The basic concepts of the conservation of mass, momentum and energy (introduced in Hydraulics I) are reviewed, extended and applied to a variety of hydraulic systems. New material on unsteady pipeline and open channel flows, loose boundary hydraulics and coastal hydraulics is presented and applied. Students are practised in the design and analysis of open channel, pipeline and pumping systems and a wide range of hydraulic structures.

## Course learning outcomes

The course objectives define the student learning outcomes for a course. On completion of this course, students should be able to:

1. evaluate and apply the equations available for the description of open channel and pipe flow; 1. derive and apply the equations governing rapidly varied unsteady channel flow including surge waves;
2. solve the equations governing both steady and unsteady gradually varied channel flow and apply them to the solution of practical flow problems including: backwater profiles; runoff on a plane surface and routing of a stream hydrograph; design erodible and vegetative lined channels;
3. solve simple pipe networks using an appropriate method;
4. apply rigid column theory to unsteady pipeline flow to analyse mass oscillations in pipelines and calculate maximum allowable rates for valve opening and closure;
5. apply rigid and elastic water hammer theory to pipeline systems;
6. design a range of hydraulic structures including: fixed and movable crest weirs; gated control structures; pipe conveyance structures; spillways and energy dissipation structure; critical flow measuring flumes; gulley control structures ; weir and culvert type structures using the minimum specific energy concept;
7. undertake a dimensional analysis of a physical system incorporating many variables; design a model of a hydraulic system using Reynolds or Froude scaling.

## Topics

Description Weighting(%)
1. Pipeline and pumping systems, pipe networks 20.00
2. Unsteady flow in pipelines - water hammer and surge 20.00
3. Unsteady free surface flow 20.00
4. Loose boundary hydraulics, stable channel design 20.00
5. Hydraulic Structures 12.00
6. Dimensional analysis and hydraulic similitude 8.00

## Text and materials required to be purchased or accessed

Marriott, M 2016, Nalluri & Featherstone's civil engineering hydraulics: essential theory with worked examples, 6th edn, Wiley Blackwell, Oxford.
A scientific calculator which is non-programmable, that does not hold textual information and cannot display graphs.