Short Title:Demand Reduction
Full Title:Demand Reduction
Module Code:DRED H3001
Credits: 5
NFQ Level:7
Field of Study:Electricity and energy
Module Delivered in 2 programme(s)
Module Author:NOEL CLEARY
Module Description:This module aims to equip the student with the knowledge and skills to reduce thermal energy demand of the major energy usage systems such as HVAC, steam and compressed air plant, recover energy from thermal systems and evaluate thermal energy demand reduction proposals from thermodynamic and financial perspectives.
Learning Outcomes
On successful completion of this module the learner will be able to:
LO1 Describe how to undertake performance optimization of ventilation, hot water, heating, process steam, refrigeration, compressed air and air conditioning systems.
LO2 Carry out basic calculations in the sizing and performance evaluation of aspects of modern HVAC systems
LO3 Describe the layout and the functioning of each of the elements of waste heat recovery systems.
LO4 Calculate heat transfer coefficients, heat exchanger effectiveness, heat transfer rates and sizes for commonly used industrial heat exchangers.
LO5 Carry out a thermal and financial analysis of proposed retrofitting and replacement schemes.
LO6 Describe of some thermal energy storage technologies used in HVAC systems and analyze the sizing of a typical ice-storage application
Pre-requisite learning
Co-requisite Modules
No Co-requisite modules listed

Module Content & Assessment

Content (The percentage workload breakdown is inidcative and subject to change) %
Energy Reduction Procedures
Systematic energy reduction procedures. Design and operational issues to be considered for performance optimization of heating, ventilation, hot water, air-conditioning, process steam plant and compressed air.
Heat transfer
Calculation of convective heat transfer coefficients for typical applications
Heat Recovery
Description and calculations for waste heat recovery systems, run-around coils, recuperative and regenerative heat exchangers, heat pump systems.
Energy Reduction
Cases studies of energy reduction and recycling schemes with thermodynamic and economic analysis.
Assessment Breakdown%
Course Work40.00%
End of Module Formal Examination60.00%
Course Work
Assessment Type Assessment Description Outcome addressed % of total Assessment Date
Laboratory Lab practical to evaluate the performance of a typical heat exchanger 3,4 20.00 Week 7
Continuous Assessment Thermal and financial analysis case study, requiring the development of a spreadsheet model and report for the optimization of insulation in a given application, typically a hot or cold tank, duct or pipe. 2,4,5 20.00 Week 10
End of Module Formal Examination
Assessment Type Assessment Description Outcome addressed % of total Assessment Date
Formal Exam End-of-Semester Final Examination 1,2,3,4,5,6 60.00 End-of-Semester
Reassessment Requirement
Repeat examination
Reassessment of this module will consist of a repeat examination. It is possible that there will also be a requirement to be reassessed in a coursework element.

IT Tallaght reserves the right to alter the nature and timings of assessment


Module Workload

Workload: Full Time
Workload Type Workload Description Hours Frequency Average Weekly Learner Workload
Lecture Classwork 2.00 Every Week 2.00
Laboratories Practical Session 1.00 Every Week 1.00
Tutorial Application of methods /theory to specific cases 1.00 Every Week 1.00
Independent Learning Time Outside of Class 3.00 Every Week 3.00
Total Weekly Learner Workload 7.00
Total Weekly Contact Hours 4.00
This module has no Part Time workload.

Module Resources

Required Book Resources
  • Clive Beggs, 2009, Energy: Management, Supply and Conservation, Second Edition, 2nd Ed., Elsevier Press UK [ISBN: 9780750686709]
  • by Barney L. Capehart, Wayne C. Turner, William J. Kennedy 2009, Guide to energy management, 5th ed Ed., Fairmont Press USA [ISBN: 0881736058]
This module does not have any article/paper resources
This module does not have any other resources

Module Delivered in

Programme Code Programme Semester Delivery
TA_EAEEE_B Bachelor of Engineering (Honours) in Sustainable Energy Engineering 6 Mandatory
TA_EAEEE_D Bachelor of Engineering in Energy and Environmental Engineering 6 Mandatory