This product is a zip file that contains files that consist of PowerPoint slides synchronized with the audio-recording of the speaker, PDF files of the slides, and audio only (mp3 format) as noted.

This session explores updates to previously published ASHRAE research. The first presentation evaluates the 2019 ASHRAE Handbook model for rooftop dilution and proposes potential improvements. The second compares eight low-cost particle sensors intended for consumer use in both a laboratory setting and a simulated single-family residential setting.

• 1. Improving Predictions of Dilution from Rooftop Exhausts (ASHRAE 1823-RP)
  Saba Zakeri Shahvari, Student Member and Jordan Clark, Ph.D., Member, The Ohio State University, Columbus, OH
• 2. Evaluation of Eight Low-Cost Particle Sensors and Consumer Devices in a Test Home and Laboratory (ASHRAE 1756-RP)
  Yangyang Zou, Student Member, Andrew May, Ph.D. and Jordan Clark, Ph.D., Member, The Ohio State University, Columbus, OH