This content is not included in
your SAE MOBILUS subscription, or you are not logged in.
Simultaneous Measurement of Temperature and Velocity Fields of Ventilation Flow in a Passenger Compartment
Annotation ability available
Sector:
Language:
English
Abstract
The temperature and velocity field variations of ventilation flow in the passenger compartment were measured simultaneously by using a digital image processing technique. A 1/10 scale vehicle was used for panel-vent mode heating. Micro-encapsulated TLC (Thermochromic Liquid Crystal) particles were used as a reliable tracer for temperature and velocity measurement. Particle color images captured with a 3 CCD (Charge Coupled Device) color video camera were used for calculating the velocity and temperature fields at the same time. To measure the temperature field variations, the HSI (Hue, Saturation, Intensity) true color image processing of TLC particles was applied to the TLC color images. A 2-frame particle tracking velocimetry using the concept of match probability between two consequent image frames was applied to the TLC particle displacements in order to measure the velocity field variations in the passenger compartment. The temperature and velocity fields measured simultaneously are well matched with each other and give reliable information on the ventilation flow.
Authors
Citation
Lee, S., Yoon, J., and Kim, K., "Simultaneous Measurement of Temperature and Velocity Fields of Ventilation Flow in a Passenger Compartment," SAE Technical Paper 980292, 1998, https://doi.org/10.4271/980292.Also In
References
- Hara, J. Fujitani, K. Kuwahara, K. 1988 Computer Simulation of Passenger Compartment Airflow SAE 881749
- Ishihara, Y. Shibata, M. Hoshino, H. Hara, J. Kamemoto, K. 1992 Analysis of Interior Airflow in a Full-Scale Passenger Compartment Model Using a Laser-Light-Sheet Method SAE 920206
- Wan, J.W. Kooi, J. 1991 Influence of the Position of Supply and Exhaust Opening on Comfort in a Passenger Vehicle Int. J. Vehicle Design 12 588 597
- Lin, C. H. Han, T. Koromilas, C. A. 1992 Effects of HVAC Design Parameters on Passenger Thermal Comfort SAE 920264
- Yang, W. 1989 Handbook of Flow Visualization 619 626
- Baek, S. J. Lee, S. J. 1996 A New Two -frame Particle Tracking Algorithm Using Match Probability Exp. in Fluids 22 23 32
- Lee, S. J. Baek, S. J. 1995 Two-Frame PTV and Its Application to a Turbulent Channel Flow Proc. of Int. Workshop on PIV Fukui'95 217 226