TEMPERATURE FIELD MEASUREMENT OF HEATED VENTILATION FLOW IN A VEHICLE INTERIOR

摘要

The temperature field in a passenger compartment model was measured using a HSI true color image processing system and TLC (Thermochromic Liquid Crystal) solution. The relationship between hue value of TLC color image and real temperature was calibrated and used to measure the true temperature. The temperature field measurement technique was applied to the unsteady temperature variation in a vehicle interior and it was proven to be a powerful tool for analyzing several ventilation modes of ventilation flow. The temperature field in the passenger compartment was affected significantly by the ratio of foot-vent flow and panel-vent flow.