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Events

11 Jun 2021

ASHRAE Distinguished Lecture: ASHRAE Rocky Mountain Chapter 29th Annual Tech Conference

Airflow Management for Laboratory Facilities

24 Apr 2021

Keynote Lecture: ISHRAE Thane Chapter, India

Concepts of Air Change Rates – Myths & Facts

20 Apr 2021

ASHRAE Distinguished Lecture: ASHRAE Idaho Chapter 2021 Online Technical Series

Basics of Air Change Rates (ACH): Facts vs Fiction

10 Feb 2021

ASHRAE Virtual Winter Conference 2021: Debate

Is Air Change per Hour (h-1), cfm/ft2 or Something Else? (LIVE)

On Demand

ASHRAE Virtual Winter Conference 2021: Conference Paper Session 14

CFD Analysis of Enclosed Parking Garage Ventilation

11 Feb 2021

ASHRAE Virtual Winter Conference 2021: Seminar 25

Impact of Airflow Patterns on Transmission of Airborne Contaminants

17 Dec 2020

ASHRAE Distinguished Lecture: ASHRAE Golden Gate Chapter, San Francisco, USA

Analysis of Airflow Patterns and Flow Path of Airborne Contaminants

08 Dec 2020

ASHRAE Distinguished Lecture: ASHRAE Northeastern Oklahoma Chapter, USA

Basics of Air Change Rates (ACH): Facts versus Fiction

28 Nov 2020

ASHRAE Distinguished Lecture: ASHRAE Saudi Arabia Chapter

Stratified Air Ventilation Systems

07 Nov 2020

ASHRAE Distinguished Lecture: ASHRAE Malaysia, Singapore, Thailand Chapters

Airflow Management for Cleanroom Facilities

15 Oct 2020

ASHRAE Distinguished Lecture: ASHRAE India Chapter, New Delhi, India.

Applications of CFD for Built Environment.

07 Oct 2020, 10:00 AM to 11:30 AM EDT

Presentation: I2SL Virtual Conference 2020

Can ACH Specifications Safeguard Smaller Labs?

25 Sept 2020

ASHRAE Distinguished Lecture: ASHRAE Banglore and Chennai Chapters, India.

Applications of CFD for Built Environment.

21 Jul 2020, 11:00 AM to 12:00 PM EDT

ASHRAE Learning Institute: Free – Instructor-led training.

Analysis of Airflow Patterns and Flow Path of Airborne Contaminants

June 11, 2020

Analysis of Airflow Patterns and Flow Path of Airborne Particulates FREE Master Class by TIPS: The Infection Prevention Strategy

June 10, 2020

Air Change Rate (ACR) or HVAC Configuration—Which Makes Labs Safe?
Webinar: Sustainable Labs Canada

April 24, 2020

Presentation: Airflow Management for Healthcare Facilities – ISHE Spring Conference, Boise, Idaho

March 24, 2020

Presentation: Can High ACH Make Operating Rooms Safe? – ASHE 2020 PDC Summit, San Antonio, TX

February 4, 2020

Presentation: Mass Balance Analysis of Air Change Rate and Space Volume on Contaminant Dilution – ASHRAE 2020 Winter Annual Conference, Orlando, FL

February 4, 2020

Presentation: Computational Fluid Dynamics Approach for Evaluation of Ventilation Effectiveness – ASHRAE 2020 Winter Annual Conference, Orlando, FL

Recent Posts

Can Space Volume Adversely Affect the Dilution of Contaminants?

What is Air Changes per Hour (ACH)? Clean air is supplied to indoor spaces to dilute the concentration of contaminants to a certain acceptable level. The requirement for such ventilation airflow rate is generally specified in terms of Air Changes per Hour (ACH). It is...

Laminar Diffusers – Do They Really Work?

Laminar diffusers are often employed in cleanrooms, hospital operating rooms, laboratories, and similar other spaces where high level of cleanliness is desired. These air supply outlets (diffusers) are designed to provide unidirectional flow–often referred as...

Hospital Operating Rooms – HVAC Configuration Matters!

This is a follow-up to the previous post on airflow patterns in hospital operating room (OR). Previous Computational Fluid Dynamics (CFD) study of a legacy HVAC design of a hospital OR indicated that the supply airflow rates or air change rates (ach) have a little...