Abstract
Traditionally vehicle occupants are warmed or cooled indirectly via heating, ventilation and air conditioning (HVAC) systems. The need to enhance electric vehicle range has fuelled interest in developing alternative, more energy efficient modes or adjuncts to HVAC systems to achieve thermal comfort. Infrared (IR) radiant heat, that falls directly on the individual, could be a more effective and energy efficient adjunct to traditional air heating methods. Therefore this investigation examined the impact of applying an IR heat source on vehicle occupants achieving thermal comfort.
Highlights
Vehicle occupants are warmed or cooled indirectly via heating, ventilation and air conditioning (HVAC) systems
Whole body thermal comfort improved alongside increased thermal sensation in all trials (P < 0.001) with enhanced thermal comfort and sensation in in either the sun visor position (IRV) (P < 0.001;
Acceptability of the total thermal environment reached ‘just acceptable’ after 10-12 min with IR heating with this point being reached at 16 min (Tair 9.9 °C) in NoIR
Summary
Vehicle occupants are warmed or cooled indirectly via heating, ventilation and air conditioning (HVAC) systems. The need to enhance electric vehicle range has fuelled interest in developing alternative, more energy efficient modes or adjuncts to HVAC systems to achieve thermal comfort. Infrared (IR) radiant heat, that falls directly on the individual, could be a more effective and energy efficient adjunct to traditional air heating methods. This investigation examined the impact of applying an IR heat source on vehicle occupants achieving thermal comfort
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