Print this page Displacement Ventilation
Steven G. Liescheidt, P.E., CCS, CCPR
Course Outline
This two hour online course discusses the principles and practical applications of displacement ventilation and dedicated outdoor air systems for commercial buildings. and the energy and cost related to using these two types of systems.
This course includes a multiple-choice quiz at the end, which is designed to enhance the understanding of course materials.
Learning
Objective
At the conclusion of this course, the student will have and understanding of:
- Displacement Ventilation;
- Thermal and air quality performance;
- Energy and cost of displacement ventilation;
- Dedicated outdoor air systems;
- Energy and cost of outdoor air systems; and
- Application recommendations.
Intended Audience
This course is intended for mechanical and energy engineers.
Benefit for Attendee
Attendee of this course will be able to apply the general principles of displacement ventilation and dedicated outdoor air systems to HVAC systems designs.
Course Introduction
Conventional heating, ventilation and air-conditioning systems in commercial buildings meet both outdoor air ventilation and space conditioning requirements using air distribution approaches that provide a mixture of outdoor air and re-circulated air. Advanced ventilation approaches have been proposed that separate the outdoor air ventilation and space conditioning functions or that distribute air to achieve thermal stratification within the space. NIST has completed an initial evaluation of the potential benefits and limitations of Displacement Ventilation or Dedicated Outdoor Air Systems in lieu of the conventional mixing ventilation approach common in U.S. commercial buildings.
Course Content
This course is primarily based on the Initial Evaluation of Displacement Ventilations and Dedicated Outdoor Air Systems for US Commercial Buildings, NISTIR 7244, July 2004:
Please click on the above underlined hypertext to view, download or print the document for your study. Because of the large file size, we recommend that you first save the file to your computer by right clicking the mouse and choosing "Save Target As ...", and then open the file in Adobe Acrobat Reader. If you still experience any difficulty in downloading or opening this file, you may need to close some applications or reboot your computer to free up some memory.
Course Summary
The material in this course source document presents an evaluation of displacement ventilation and dedicated outdoor air systems for commercial buildings in the U.S. and is organized into three main sections – Displacement Ventilation, Dedicated Outdoor Systems, and Recommendations.
Related Links
For additional technical information related to this subject, please visit the following websites:
United States Green Building Council – www.usgbc.com
US Department of Energy – www.doe.gov
National Renewable Energy Laboratory – www.nrel.gov
Quiz
Once you finish studying the above course content, you need to take a quiz to obtain the PDH credits.
DISCLAIMER: The materials contained in the online course are not intended as a representation or warranty on the part of PDH Center or any other person/organization named herein. The materials are for general information only. They are not a substitute for competent professional advice. Application of this information to a specific project should be reviewed by a registered architect and/or professional engineer/surveyor. Anyone making use of the information set forth herein does so at their own risk and assumes any and all resulting liability arising therefrom.
