Abstract
The paper presents the human thermal comfort inside a car cabin using three-dimensional numerical analysis and state of the art comfort models. Vehicular thermal comfort is a must concern factor in modern car manufacturing industries. Numerical simulations have been performed to accurately predict the temperature inside the car cabin and velocity of airflow. The numerical results are then compared using Fanger’s model, the equivalent temperature model and the modified Fanger’s model. A link has been developed using a general thermal comfort index for the considered human thermal comfort models. The general thermal comfort index takes into consideration all the investigated parameters that affect the vehicular thermal comfort thereby evaluating the whole car environment. The thermally comfortable conditions for the driver and passengers in a vehicular cabin are also addressed based on some of the thermal comfort indexes available in literature. In addition, the solar load has also been added using a surface radiation model to consider the environmental heat load effect on cabin thermal comfort.
Highlights
Numerical simulation techniques in the modern industry are of paramount significance in recent years because of reduced time, low experimental cost and reliable results
Development in vehicular thermal comfort (VTC) along with a decrease in energy consumption is of prime focus in the design stage of an automotive vehicle
Various thermal comfort models and simulations tools are available in the literature [2] to evaluate the human thermal environment
Summary
Numerical simulation techniques in the modern industry are of paramount significance in recent years because of reduced time, low experimental cost and reliable results. Development in vehicular thermal comfort (VTC) along with a decrease in energy consumption is of prime focus in the design stage of an automotive vehicle. In this regard, assessment of heating, ventilation and air conditioning (HVAC). The cooling vent setting and velocity of inlet air influence the air distribution, which eventually affects the temperature distribution in the cabin [4]. In this regard, the automotive industry has continually been facing confrontation for a comfortable and efficient thermal environment for all the occupants
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