What Is Human Comfort

The human body can be viewed as a heat engine where food is the input energy.

What is human comfort. Of comfort in a space. In the process our bodies metabolism generates heat which must dissipate into the surrounding air or surfaces. The former is referred to as comfort conditioning and the latter is called process air conditioning.

The final factor that affects the human comfort is the visual of the room and the light intensity. Figures 01 and 02. Thus thermal comfort is achieved.

Comfort is about the physical environment in its totality. Comfort is closely related to wellbeing which was defined by dodge et al 2012 as when individuals have the psychological social and physical resources they need to meet a particular psychological social and or physical challenge. The conditions required for optimum opera tion of machinery may or may not coincide with those con ducive to human comfort.

Human comfort in addition to wind conditions the human comfort expertise looks into further meteorological factors such as solar radiation temperature and air humidity. Our bodies perform within an internal temperature range much narrower than external temperatures. Temperature on the surrounding environment.

A person s physical characteristics should always be borne in mind when considering their thermal comfort as factors such as their size and weight age fitness level and sex can all have an. Thermal comfort extremes of temperature very cold and very hot can put physiological stress on an individual. Temperature humidity noise light smell temperature and humidity 4.

Process air conditioning requirements are highly specific to the equipment or operation involved. Thermal comfort is the condition of mind that expresses satisfaction with the thermal environment and is assessed by subjective evaluation ansi ashrae standard 55. The issues which are most obviously associated with comfort are.