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Planes, Trains & Automobiles: Cabin Comfort Using CFD

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Overview

The issue of thermal comfort in passenger cabins, such as those found in planes, trains, buses, and cars is a challenging one for HVAC designers. There are many factors that the HVAC designer needs to account for, including the external conditions to which the vehicle is exposed, the necessity to address both micro and macro environments within the space, and differing occupancy levels (and thereby heat loads) during operation.

This presentation demonstrates the use of Computational Fluid Dynamics (CFD) in the prediction of thermal comfort within passenger cabins, how the conditions can be improved within the space, and how the consideration of factors such as glazing type and supply flow rate can lead to energy savings.

What You Will Learn

  • How CFD software can determine thermal comfort in passenger cabins
  • How CFD software can improve the HVAC design in passenger cabins
  • Analyze 'what if' designs before prototype build
  • How easy it is to provide detailed Word and Excel reports to design and management teams

About the Presenters

Presenter Image Andrew Manning

Andrew Manning, obtained his BEng in Mechanical Engineering at University of Nottingham in 1991, and his PhD from the same university in 1994. His PhD thesis was titled: ‘Mathematical modeling of Pulverized Coal Fired Power Station Boilers’. He joined the UK office of Flomerics Ltd in 1994 as a Consultant Engineer, and transferred to the MA, US office in January 1997. He is currently the Director of Engineering for the Mechanical Analysis Division (formerly Flomerics), North America, Mentor Graphics. He has 15 years of Computation Fluid Dynamics (CFD) based modeling experience, covering a wide range of built environment applications, including: health care facilities; laboratory spaces; Cleanrooms; atria; and office and other occupied spaces. He has been the principal CFD modeled in 5 major National Institutes of Health (NIH) studies.

He has authored many publications associated with the work done with NIH, and won two ASHRAE awards (2001 Symposium Paper Award and 2001 Willis H. Carrier Award) for his paper entitled: “Analysis of Air Supply Type and Exhaust Location in Laboratory Animal Research Facilities Using CFD”. Further, he won the U.S. Public Health Service Ninth Annual Engineering Literary Award for the “Surgical Site Protection” study.

Presenter Image Alexandra Francois-Saint-Cyr

Alexandra Francois-Saint-Cyr is the Applications Engineering Manager for North America at Mentor Graphics, Mechanical Analysis Division (Previously Flomerics). For the past 8 years, she has been working on promoting the use of the Mentor Computational Fluid Dynamics (CFD) software by conducting training classes, seminars and software demonstrations.

After graduating from ESSTIN, France’s State Graduate School of Engineering back in 1997, Alex studied to improve passenger comfort in the trains at Alstom Transport by using CFD software FloVENT. In 1999, she moved to the United States where she received her MSME from the University of Central Florida. There she worked on a meso-scale centrifugal compressor project, her research leading to the ‘Best Technical Paper’ award in the Advanced Energy Systems Division at the International ASME show in 2000

Who Should View

  • CFD software users in passenger design
  • HVAC engineers
  • Vehicle Design Managers
  • Vehicle Design Engineers
  • CFD Consultants
  • Computational Fluid Dynamics Users

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