NG2S426 - Hydraulic System Design and Maintenance 23 May 2019 - 31 Aug 2025 | Version 1

Associated Module Information

Module Code: NG2S426
Module Title: Hydraulic System Design and Maintenance
Faculty: Faculty of Computing, Engineering and Science
Faculty Group: Aircraft Maintenance Engineering
Faculty Sub Group: Aircraft Maintenance Engineering
Module Leader: Adrian Pitman
Module Team: Richard Grant, Jon McGee, Lalita Gandhi, Gary Dornan, Pravin Krishnan
First Intended Intake: SEP 2019 Final Year of Intake: 2024
Date Closed:
Credit Value: 20 Credit Level: 5
Language: English
Percentage of Module Taught in Welsh: 0
Equivalent Module:
HECOS codes: 100114 - aeronautical engineering
HECOS Code Weighting: 100

Document Version Information

Version 1
Valid From 23 May 2019
Valid To 31 Aug 2025

Module Aims

The aim of this module is to give students a good working knowledge of hydraulic circuits and components, by exploring the principles of operation, performance characteristics, and standard ISO symbol representation for circuit design.

Content Summary

Fundamental principles
Comparison between hydraulic, mechanical, electrical, and pneumatic systems, units for hydraulic and mechanical quantities, ISO symbol representation of hydraulic components and circuits, mathematical calculations required in the design of hydraulic systems

Function, performance and properties of:
• Hydraulic oils and fluids

Sources, types, and effects of contamination and its control

Construction and operation of
• Hydraulic actuators
• Directional control valves
• Pressure control valves
• Positive displacement pumps

Principle of operation and function of components in basic aircraft circuits
• Linear actuator circuits
• Velocity control circuits

Characteristics and operating principles of:
• U/C Systems
• Flight Control System

Design requirements of aircraft hydraulic systems
• Component Size
• System Pressures
• Weight of system
• Capacity
• Reliability

Fault finding techniques in basic hydraulic systems

Learning and Teaching Methods

Activity Type Hours
Lecture 24
Practical classes and workshops 24
Independent Study 72
Directed Study 80
Total Hours Selected 200

Learning Outcomes

# Learning Outcome
LO1 Demonstrate a comprehensive understanding of hydraulic systems and components
LO2 To apply a standardised approach in the design of hydraulic circuits.

Module Requisites

Code Title Requisite Type
MOD010737 Aerospace Materials and Hardware pre-requisite
MOD010735 Aerospace Mechanics pre-requisite
}

Assessment Criteria

Assessment Category Assessment Type Description Duration Word Count Weight (%) Best of? Pass Mark
Practical Assessment (CW) Practical Coursework 1 Using appropriate design methodologies and the standardised approach in hydraulic circuit design, students are required to design and implement a Hydraulic control system 0 N/A 60 No 40
Set Exercise - Time Constrained (EX) Classroom Test Time Constrained (EX) 1 2 Class Tests 50 N/A 40 No 40

Assessment Matrix

Assessment Type Learning Outcomes
LO1 LO2
Practical Coursework 1
Classroom Test Time Constrained (EX) 1

Reading List

Wang S. and Tomovic M. (2015), “Commercial Aircraft Hydraulic Systems”, Academic Press, ISBN: 978-0124199729

Zhang Q. (2019), “Basics of Hydraulic Systems”, CRC Press, ISBN: 978-1138484665

Winston M. (2014),” Essential Hydraulics”, CreateSpace Independent Publishing Platform, ISBN: 978-1484120590

Hydraulics and Pneumatics: A technician’s and engineer’s guide
Andrew Parr

Chapple p. (2014) “Principles of Hydraulic Systems Design”, Momentum Press, ISBN: 978-1606504529

Essential Hydraulics: Fluid Power - Intermediate: Volume 2 (Oil Hydraulic), CreateSpace Independent Publishing Platform, ISBN: 978-1499363944

Winston M. (2013), “Essential Hydraulics: Fluid Power - Basic: Volume 1”, CreateSpace Independent Publishing Platform, ISBN: 978-1484106587