Publications
Data Centers Plume Dispersion Cleanrooms Smoke Exhaust Systems Healthcare Facilities Laboratory Facilities Parking Garage Systems Radiant Heating and Cooling Systems Chilled Beams Thermal Energy Storage Systems Underfloor Air Distribution Systems Displacement Ventilation Systems Engineered Natural Ventilation Moving Bed Dryers and Coolers Moisture Migration
Data Centers and Mission Critical Facilities
- Rack enclosures are not just the cabinets!
7X24 Exchange Magazine, Fall Edition, 2019 - Where to place air-cooled chillers.
Engineered Systems Magazine, February 2017 - Airflow Dynamics of a Data Center Equipment Yard.
7X24 Exchange Magazine, Spring Edition, 2016 - Optimum Placement for Air-Cooled Chillers.
ASHRAE Journal, January 2016 - Analysis of Airflow Patterns and Air Temperature Distribution Surrounding Air Cooled Chillers.
ASHRAE Annual Conference, Atlanta, GA, 2015 - Analysis of Air Leakage from Hot Aisle Containment Systems and Cooling Efficiency of Data Centers.
ASHRAE Winter Conference, New York City, NY, 2014 - Rate of Heating Analysis of Data Centers during Power Shutdown,
ASHRAE Transactions, ASHRAE Transactions Volume 117, Part 1- Conference Paper, 2011 - Thermal Mass Availability for Cooling Data Centers during Power Shutdown,
ASHRAE Transactions, Volume 116, Part 2. – Conference Paper, 2010 - Rack Enclosures – A Crucial Link in Airflow Management in Data Centers.
ASHRAE Journal, August 2009 - Method for optimizing equipment cooling effectiveness and HVAC cooling costs in Telecom and Data Centers.
ASHRAE Transactions Volume 114. Part1. Presented in the ASHRAE Winter Meeting, 2008 - An analysis of the effects of ceiling height on air distribution in Data Centers.
ASHRAE Transactions Volume 112 Part 1. Presented in the ASHRAE Winter Meeting, 2006 - Cable Cutouts in Data Centers Can Lead to Loss In Cooling Capacity.
NewsLink, The Magazine of 7X24 Exchange International, Fall 2008 - Improving Cooling Performance in Data Centers – Air management makes all the difference.
Mission Critical – Cover Story, Spring 2008 - Airflow management is crucial for the energy efficiency of data centers.
Data Center Journal, April 2008
Plume Dispersion
- Where to place air cooled chillers.
Engineered Systems Magazine, February 2017 - Optimum Placement for Air-Cooled Chillers.
ASHRAE Journal, January 2016 - Analysis of Airflow Patterns and Air Temperature Distribution Surrounding Air Cooled Chillers.
ASHRAE Annual Conference, Atlanta, GA, 2015
Cleanrooms
- CFD Analysis of Demand Control Ventilation (DCV) for Laboratory Facilities
ASHRAE Journal, Vol. 66, no. 6, June 2024 - Measuring Effectiveness: Targeting the Breathing Zone
CIBSE Journal, Vol. 65, no. 8, August 2023 - CFD Analysis for Design Optimization of a Pharmaceutical Cleanroom
ASHRAE Journal, Vol. 65, no. 8, August 2023 - Aerodynamic Containment Can Reduce Indoor Spread of Infectious Aerosols
HPAC ENGINEERING March/April 2023 - Analysis of Spread of Airborne Contaminants and Risk of Infection
ASHRAE Journal July 2021 - CFD Analysis of Airflow Patterns and Probability of Infection in Indoor Spaces – A Concept of Aerodynamic Containment
ASHRAE Annual Conference Phoenix, AZ, 2021 - CFD Analysis of Air Change Rate (ACR) and Space Volume on Contaminant Dilution.
ASHRAE Annual Virtual Conference, 2020 - Mass Balance Analysis of Air Change Rate (ACR) and Space Volume on Contaminant Dilution.
ASHRAE Winter Conference, Orlando, FL, 2020 - Dynamics of unidirectional flow.
ASHRAE Journal, June 2019 - Computational Fluid Dynamics (CFD) Analysis of Hospital Operating Room Ventilation System – Part II: Analyses of HVAC Configurations
ASHRAE Journal June 2018 - Computational Fluid Dynamics (CFD) Analysis of Hospital Operating Room Ventilation System – Part I: Analysis of Air Change Rates (ACR)
ASHRAE Journal May 2018 - Analysis of Spread Index: A Measure of Laboratory Ventilation Effectiveness.
ASHRAE Annual Conference, Houston, TX, 2018 - Computational Fluid Dynamics for Cleanroom Design.
Chapter 13. ASHRAE DESIGN GUIDE FOR CLEANROOMS: FUNDAMENTALS, SYSTEMS, AND PERFORMANCE, ASHRAE 2017 - Air Change Rate Analysis for a Minienvironment Cleanroom.
ASHRAE Journal, August 2017 - Analysis of Contaminant Flow Path and Laboratory Ventilation Effectiveness.
ASHRAE Annual Conference. St. Louis, MO, 2016 - Analysis of Air Change Rates and System Configuration on the Performance of a Mini-Environment Cleanroom.
ASHRAE Annual Conference, Seattle, WA, 2014
Smoke Exhaust Systems
- CFD Analysis of Air Change Rate (ACR) and Space Volume on Contaminant Dilution.
ASHRAE Annual Virtual Conference, 2020 - Mass Balance Analysis of Air Change Rate (ACR) and Space Volume on Contaminant Dilution.
ASHRAE Winter Conference, Orlando, FL, 2020 - Analysis of Spread Index: A Measure of Laboratory Ventilation Effectiveness.
ASHRAE Annual Conference, Houston, TX, 2018 - Analysis of Contaminant Flow Path and Laboratory Ventilation Effectiveness.
ASHRAE Annual Conference. St. Louis, MO, 2016
Healthcare Facilities
- Optimization of Ventilation Design for the Hospital Post-Anesthesia Care Unit
ASHRAE Journal, Vol. 66, no. 10, October 2024 - CFD Analysis of Demand Control Ventilation (DCV) for Laboratory Facilities
ASHRAE Journal, Vol. 66, no. 6, June 2024 - CFD Analysis of Hydroxyl Technology to Reduce Risk of Indoor Pathogen Transmission
ASHRAE Journal, Vol. 66, no. 3, March 2024 - CFD Analysis of Room Air Distribution: Effect On Upper-Room UVGI System Performance
ASHRAE Journal, Vol. 65, no. 11, November 2023 - Measuring Effectiveness: Targeting the Breathing Zone
CIBSE Journal, Vol. 65, no. 8, August 2023 - CFD Analysis for Design Optimization of a Pharmaceutical Cleanroom
ASHRAE Journal, Vol. 65, no. 8, August 2023 - CFD Analysis of Fixture Output Impact on Upper Room Germicidal Ultraviolet Light System Performance
ASHRAE Journal, Vol. 65, no. 6, June 2023 - Aerodynamic Containment Can Reduce Indoor Spread of Infectious Aerosols
HPAC ENGINEERING March/April 2023 - Computational Fluid Dynamics (CFD) Analysis of HVAC Layout on the Performance of Ultraviolet Germicidal (UV-C) to Control the Probability of Infection Due to Transmission of Airborne Pathogens
ASHRAE Annual Conference Toronto, Canada, 2022 - Computational Fluid Dynamics (CFD) Analysis of Ultraviolet Germicidal (UV-C) to Control the Probability of Infection due to Transmission of Airborne Pathogens
ASHRAE Winter Conference Las Vegas, NV, 2022 - Analysis of Spread of Airborne Contaminants and Risk of Infection
ASHRAE Journal July 2021 - CFD Analysis of Airflow Patterns and Probability of Infection in Indoor Spaces – A Concept of Aerodynamic Containment
ASHRAE Annual Conference Phoenix, AZ, 2021 - CFD Analysis of Air Change Rate (ACR) and Space Volume on Contaminant Dilution.
ASHRAE Annual Virtual Conference, 2020 - Mass Balance Analysis of Air Change Rate (ACR) and Space Volume on Contaminant Dilution.
ASHRAE Winter Conference, Orlando, FL, 2020 - Performance of Displacement Ventilation for Hospital Patient Rooms with Varying Cooling Loads.
ASHRAE Annual Conference, Kansas City, KS, 2019 - Dynamics of unidirectional flow.
ASHRAE Journal, June 2019 - Analysis of displacement ventilation for hospital patient room.
ASHRAE Winter Conference, Atlanta, GA, 2019 - Computational Fluid Dynamics (CFD) Analysis of Hospital Operating Room Ventilation System – Part II: Analyses of HVAC Configurations
ASHRAE Journal June 2018 - Computational Fluid Dynamics (CFD) Analysis of Hospital Operating Room Ventilation System – Part I: Analysis of Air Change Rates (ACR)
ASHRAE Journal May 2018 - Analysis of Spread Index: A Measure of Laboratory Ventilation Effectiveness.
ASHRAE Annual Conference. Houston, TX, 2018 - Computational Fluid Dynamics for Cleanroom Design.
Chapter 13. ASHRAE DESIGN GUIDE FOR CLEANROOMS: FUNDAMENTALS, SYSTEMS, AND PERFORMANCE. ASHRAE 2017 - Airflow dynamics of a patient room.
The REHVA European HVAC Journal, 54 (5) 52-58, 2017 - Air Change Rate Analysis for a Minienvironment Cleanroom.
ASHRAE Journal, August 2017 - Analysis of HVAC Configurations for Hospital Operating Room.
ASHRAE Annual Conference, Long Beach, CA, 2017 - Where to place air cooled chillers.
Engineered Systems Magazine, February 2017 - Analysis of Airflow Distribution and Contaminant Flow Path in the Hospital Operating Room.
ASHRAE Winter Conference, Las Vegas, NV, 2017 - Airflow Path Matters: Patient Room HVAC.
ASHRAE Journal, June, 2016 - Optimum Placement for Air-Cooled Chillers.
ASHRAE Journal, January 2016 - Analysis of Airflow Patterns and Air Temperature Distribution Surrounding Air Cooled Chillers.
ASHRAE Annual Conference, Atlanta, GA, 2015 - Health-Care Patient-Room HVAC Airflow Patterns.
HPAC Engineering, March 2015 - Comparative Analysis of Overhead Air Supply and Active Chilled Beam HVAC Systems for Patient Room.
ASHRAE Winter Conference, Chicago, IL, 2015 - Better HVAC Design: Flow Path of Air Matters in Patient Rooms. Medical Construction & Design Patient Rooms:
CFD for better IAQ. Engineered Systems, November 2013 - Role of HVAC System Configuration on Probable Flow Path of Airborne Pathogens in a Patient Room.
ASHRAE Annual Conference, Denver, CO, 2013
Laboratory Facilities
- CFD Analysis of Demand Control Ventilation (DCV) for Laboratory Facilities
ASHRAE Journal, Vol. 66, no. 6, June 2024 - CFD Analysis of Hydroxyl Technology to Reduce Risk of Indoor Pathogen Transmission
ASHRAE Journal, Vol. 66, no. 3, March 2024 - CFD Analysis of Room Air Distribution: Effect On Upper-Room UVGI System Performance
ASHRAE Journal, Vol. 65, no. 11, November 2023 - Measuring Effectiveness: Targeting the Breathing Zone
CIBSE Journal, Vol. 65, no. 8, August 2023 - CFD Analysis for Design Optimization of a Pharmaceutical Cleanroom
ASHRAE Journal, Vol. 65, no. 8, August 2023 - CFD Analysis of Fixture Output Impact on Upper Room Germicidal Ultraviolet Light System Performance
ASHRAE Journal, Vol. 65, no. 6, June 2023 - Aerodynamic Containment Can Reduce Indoor Spread of Infectious Aerosols
HPAC ENGINEERING March/April 2023 - Computational Fluid Dynamics (CFD) Analysis of HVAC Layout on the Performance of Ultraviolet Germicidal (UV-C) to Control the Probability of Infection Due to Transmission of Airborne Pathogens
ASHRAE Annual Conference Toronto, Canada, 2022 - Computational Fluid Dynamics (CFD) Analysis of Ultraviolet Germicidal (UV-C) to Control the Probability of Infection due to Transmission of Airborne Pathogens
ASHRAE Winter Conference Las Vegas, NV, 2022 - Analysis of Spread of Airborne Contaminants and Risk of Infection
ASHRAE Journal July 2021 - CFD Analysis of Airflow Patterns and Probability of Infection in Indoor Spaces – A Concept of Aerodynamic Containment
ASHRAE Annual Conference Phoenix, AZ, 2021 - CFD Analysis of Air Change Rate (ACR) and Space Volume on Contaminant Dilution.
ASHRAE Annual Virtual Conference, 2020 - Mass Balance Analysis of Air Change Rate (ACR) and Space Volume on Contaminant Dilution.
ASHRAE Winter Conference, Orlando, FL, 2020 - Dynamics of unidirectional flow.
ASHRAE Journal, June 2019 - Analysis of Spread Index: A Measure of Laboratory Ventilation Effectiveness.
ASHRAE Annual Conference, Houston, TX, 2018 - Computational Fluid Dynamics for Cleanroom Design.
Chapter 13. ASHRAE DESIGN GUIDE FOR CLEANROOMS: FUNDAMENTALS, SYSTEMS, AND PERFORMANCE. ASHRAE 2017 - Air Change Rate Analysis for a Minienvironment Cleanroom.
ASHRAE Journal, August 2017 - Where to place air cooled chillers.
Engineered Systems Magazine, February 2017 - Analysis of Contaminant Flow Path and Laboratory Ventilation Effectiveness.
ASHRAE Annual Conference. St. Louis, MO, 2016 - Optimum Placement for Air-Cooled Chillers.
ASHRAE Journal. January 2016 - Analysis of Airflow Patterns and Air Temperature Distribution Surrounding Air Cooled Chillers.
ASHRAE Annual Conference, Atlanta, GA, 2015 - Comparative Analysis of Overhead Air Supply and Active Chilled Beam HVAC Systems for Patient Room.
ASHRAE Winter Conference, Chicago, IL, 2015 - Analysis of Air Change Rates and System Configuration on the Performance of a Mini-Environment Cleanroom.
ASHRAE Annual Conference, Seattle, WA, 2014
Parking Garage Ventilation
- CFD Analysis of Enclosed Parking Garage Ventilation.
ASHRAE Winter Virtual Conference, 2021 - Analysis of Spread Index: A Measure of Laboratory Ventilation Effectiveness.
ASHRAE Annual Conference, Houston, TX, 2018
Radiant Heating and Cooling Systems
- Analysis of Supply Airflow Rate on the Performance of Radiant Cooling Systems.
ASHRAE Winter Conference, Orlando, FL, 2016
Chilled Beams
- Comparative Analysis of Overhead Air Supply and Active Chilled Beam HVAC Systems for Patient Room.
ASHRAE Winter Conference, Chicago, IL, 2015
Thermal Energy Storage Systems
- Design and Analysis of a Closed Chilled Water Thermal Storage Tank.
ASHRAE Conference Paper (under review)
Underfloor Air Distribution Systems (UFAD)
- Performance of Displacement Ventilation for Hospital Patient Rooms with Varying Cooling Loads.
ASHRAE Annual Conference, Kansas City, KS, 2019 - Analysis of displacement ventilation for hospital patient room.
ASHRAE Winter Conference, Atlanta, GA, 2019 - A Comparative Analysis of Displacement Ventilation with the Overhead Mixing Systems.
ASHRAE Winter Conference, Dallas, TX, 2013
Displacement Ventilation Systems
- Performance of Displacement Ventilation for Hospital Patient Rooms with Varying Cooling Loads.
ASHRAE Annual Conference, Kansas City, KS, 2019 - Analysis of displacement ventilation for hospital patient room.
ASHRAE Winter Conference, Atlanta, GA, 2019 - A Comparative Analysis of Displacement Ventilation with the Overhead Mixing Systems.
ASHRAE Winter Conference, Dallas, TX, 2013
Engineered Natural Ventilation
- CFD Analysis of Air Change Rate (ACR) and Space Volume on Contaminant Dilution.
ASHRAE Annual Virtual Conference, 2020 - Mass Balance Analysis of Air Change Rate (ACR) and Space Volume on Contaminant Dilution.
ASHRAE Winter Conference, Orlando, FL, 2020 - Analysis of Spread Index: A Measure of Laboratory Ventilation Effectiveness.
ASHRAE Annual Conference, Houston, TX, 2018
Moving Bed Dryers and Coolers
- Performance analysis of a double-deck conveyer dryer – A computational approach. Drying Technology
An International Journal 17 (10), 2055-2067 - Dryer Analysis – Computer simulation can show you how to optimize dryer performance.
Petfood Industry Vol 38 (5): 10-16 - Computer simulation of a conveyor dryer. Cereal Foods World.
August 1996, VOL 41, NO. 8, pp. 681-685 - A tool for evaluating cooler design and operation: Computer simulation of pellet coolers.
Feed Management Vol 46(9): 40-44
Moisture Migration
- A mathematical model for natural convection moisture migration in stored grain.
Trans. of the ASAE Vol. 38(6): 1777-1787 - Application of a numerical model for prediction of moisture migration in stored grain.
Trans. of the ASAE Vol. 38(6): 1789-1804 - A mathematical model for moisture diffusion in stored grain due to temperature gradients.
Trans. of the ASAE Vol. 37(5):1591-1604