by Kishor Khankari, Ph.D. | Oct 14, 2020 | Blogs
COVID-19 : Computational Fluid Dynamics (CFD) Airflow Assessment and Analysis Airflow Patterns Matter! The recent COVID-19 pandemic has raised concerns about the effects of space air distribution on the spread of airborne contaminants. Airflow patterns and the...
by Kishor Khankari, Ph.D. | Jun 22, 2020 | Blogs
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...
by Kishor Khankari, Ph.D. | May 30, 2020 | Blogs
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...
by Kishor Khankari, Ph.D. | May 30, 2020 | Blogs
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...
by Kishor Khankari, Ph.D. | May 30, 2020 | Blogs
Displacement Ventilation For Hospital Patient Room In displacement ventilation systems, as opposed to the traditional overhead supply mixing ventilation systems, cold air which is supplied at low velocity near the floor captures sensible heat from the space, and rises...
by Kishor Khankari, Ph.D. | May 30, 2020 | Blogs
Laboratory Ventilation The purpose of laboratory ventiliation systems is to minimize the risk of chemical exposure and fire hazard, as well as facilitate odor removal by reducing the contaminant concentration to safe level while simultaneously maintaining thermally...