IBPSA NCC Quarterly Meeting


Wednesday April 17th, 2013, 6 – 7:30pm

Lisa Ng Lisa Ng, Mechanical Engineer at NIST

“Consideration of Envelope Airtightness in Modelling Commercial Building Energy Consumption”

Lisa graduated from Drexel University with a B. S. in Architectural Engineering, concentration on HVAC systems. While at Drexel, she completed co-ops with a construction management, a project management, and an HVAC design/consultation firm. After graduation, she lived and worked in Taipei, Taiwan for two years for an architect as a mechanical engineer.

In 2005, Lisa began her Ph.D. work at Drexel University, focusing her work on indoor air quality and sensor placement. In 2010, Lisa graduated with a Ph. D. in Civil Engineering with a thesis titled “Framework for the Utilization of Forward and Inverse Airflow Models in Systematic Sensor System Design for Indoor Air”.

After graduation, Lisa completed a one year post-doc at the National Institute of Standards and Technology (NIST). Currently, she is a mechanical engineer in the IAQ and Ventilation Group at the NIST in Gaithersburg, MD. Her work includes airflow, IAQ, and energy simulations, as well as IAQ sampling in a net zero house.

Luke Dorna_13 Luke Dorna, Building Performance Analyst SOM

“Modelling an office building with chilled beams, the challenges, solutions and achievements”

Honors graduate of Georgia Institute of Technology Aerospace Engineering Luke Dorna has been a energy modelling at SOM for the last 2 years. Before this he worked for 3 years as a defense contractor. (luke.dorna@som.com)


Ebert and Baumann Consulting Engineers Offices,

734 15th Street, NW,  

Suite 1000

Washington, D.C. 20005, USA

Closest Metro Orange line – MacPherson Square

EB office location

For any questions please contact Annie Marston – a.marston@eb-engineers.com or Roger Chang – rchan@WRLdesign.com

Can’t make it? JOIN OUR WEBINAR: 

Registration URL: https://attendee.gotowebinar.com/register/1366627332360548864
Webinar ID: 134-115-891

– Helpful resources (thanks Varkie C Thomas)

See if this study of Tall-Bldgs Pressurization & Infiltration is relevant (double click on URLs to open & download files):


Envelope air tightness & leakage is based on NIST’s CONTAM library

5a – CONTAM-Library – Enclosure Leakage Areas (Infiltr-Flow at Press-Temp)5b – CONTAM-Library- from NIST – Enclosure-Leakage-Areas

ASHRAE Lecture on Building Energy Modeling


Join the ASHRAE National Capital Chapter for an evening lecture by Amir Roth, technical manager for Building Energy Modeling at the Department of Energy’s Building Technologies office. This is a joint ASHRAE/IBPSA event. Registration details.