Physiology
Human physiology, air quality and comfort temperatures, activity and metabolic rates, health effects of carbon monoxide and more
Age and Physical Growth - Weight and Height
Age and physical growth of boys and girls - age 2 to 18 years
Age and Shift in Hearing Threshold
Shift in hearing threshold for men and women
Air Contaminants - Limits
Permissible limits to exposure of various air contaminants
Ammonia - NH3 - Concentration in Air and Health Effects
Ammonia and health symptoms - smell and threat to life
Blood Sugar Unit Converter
Convert between blood sugar units
Body - Weight versus Height
Ideal body weight versus height
Carbon Dioxide Concentration - Comfort Levels
CO2 acceptance and comfort level
Carbon Dioxide Concentrations in Rooms with People
The carbon dioxide concentration in a room can indicate air quality and ventilation system efficiency
Carbon Dioxide Emission from People
Carbon Dioxide emission from persons depends on activity
Carbon Monoxide and Health Effects
Exposure to Carbon Monoxide - CO and the health effects
Clo - Clothing and Thermal Insulation
Clo is used as a measure of clothes thermal insulation
Clothing, Activity and Human Metabolism
Human metabolism at low and high activity with different levels of clothing
Discomfort Index
Based on dry bulb, wet bulb and dew point temperature
Energy in Food
Energy in carbohydrates, fats and proteins
Food-borne Infections and Diseases
Common bacteria and viruses found in food
Force, Power and Human Operated Machines
Maximum force or power available for human operated machines
Gases - Dangerous Levels
Dangerous and tolerable levels of industrial gases
Globe Temperature
Resultant or globe temperature
Heat Discomfort Zone
Heat discomfort and maximum work load
Heat Index
Equivalent heat index - temperature vs relative humidity - in degrees Fahrenheit and Celsius
Human Effects when Exposed to Low-Frequency Noise and Vibration
Physiological effects from low-frequency noise and vibrations
Human Effort Level - Energy and Heart Rates
Human work effort levels, energy expenditure and associated heart rates
Human Heat Gain
Heat gain from persons in air conditioned spaces - in btu/hr
Human Need of Air
Fresh air is required for respiration and for transport of heat and vapor emitted from the human body
Illuminance - Recommended Light Level
Recommended light levels - illuminance - for some types of working activities
Legionella
Legionella pneumophila - bacterium that thrives in water supply systems and air conditioning systems - causing the Legionnairs disease
Life Expectancy
Men and Women - age and life expectancy
Maximum Sound Pressure Levels in Rooms
Maximum recommended sound pressure levels in rooms with activities like kindergartens, auditoriums, libraries, cinemas and more ...
Met - Metabolic Rate
Metabiolic Rate - Met - is often used as a measuring unit for human body heat or power production
Metabolic Heat Gain from Persons
Human metabolic heat gain in air conditioned rooms
Physiology - Activity and Metabolic Rate
Heat production from the human body at some common activities
Predicted Mean Vote Index (PMV)
PMV index predicts the mean comfort response of a larger group of people
Recommended Relative Humidity
Recommended relative humidity levels
Relative Humidity and Health
Bacteria, viruses, fungi, mites, asthma and optimum range of relative humidity
Required Rest Time
Relaxation requirements to measures of fatigue
Room Area per Person
Recommended minimum area per person - common values for calculating indoor climate loads
Sound Intensity, Power and Pressure Levels
Introduction to decibel, sound power, sound intensity and sound pressure
Survival Time in Cold Water
Time to exhaustion and death in cold water
Wet Bulb Globe Temperature (WBGT)
The wet bulb globe temperature can be used to measure general heat-stress index
Wind Chill Index
The Wind Chill Index - or the Effective Temperature - of air in movement
