Comfort Concept Flashcards
How many features are there?
12
4 areas of comfort
acoustics
ergonomics
olfaction, and
thermal comfort
Study of sound and properties of a space or building that determine how sound is transmitted or reflected within it or though it.
Acoustic Comfort
Energy composed of pressure waves, or vibrations, that travel through the air or another material and produce an audible signal when they reach person’s ear
Sound
Can be measured in Hertz Hz
Sound
Unit of measure used for frequency that a wave cycles, or repeats, its wavelength
Hertz
Equal to one cycle per second
1 hertz
What frequencies can human ear hear?
20Hz to 20,000 Hz
Can cause physical, psychological stress leading to cardiovascular stress, decreased productivity, and cognitive performance
Noise
Adapting objects, spaces, such as workstations and workflow
Ergonomic Comfort
Injury affecting body’s movements or its muscles, bones, tendons, nerves, or ligaments
Musculoskeletal disorder
Refers to sense of smell, perception of air quality, unpleasant smell causes stress
Olfactory Comfort
Follows standard ASHRAE Standard 55-2013, Thermal Environmental Conditions for Human Occupancy
Thermal Comfort
Rate of transformation of chemical energy into heat and mechanical work by metabolic activities of a person, expressed in units of met
Metabolic rate
Resistance to sensible heat transfer provided provided by a clothing, expressed in units of clo
Clothing insulation
Temperature of air surrounding an occupant taken with a dry bulb thermometer, measurede in C or F
Air temperature
Average of surface temp of the surroundings which body can exchange heat by radiant transfer, measured in C and F
Mean radian temperature
Rate of air movement at a point without regard to direction, measured in m/s (fpm)
Air speed
Average moisture in air, measured in percent of releative humidity %rh
Humidity
Math and graphical study of the properties of air
Graphical representation of properties of air
Determine comfort zone
Psychrometric charts
Feature 72: Accessible Design precon for?
all 3 property types
Feature 72: Accessible Design requires what and uses which standard?
Requires projects to provide equitable built environments through compliance with one of 2 listed standards : the current ADA standards for accessible design or ISO 21542:2011 building construction - accessibility and usability of the Built Environment
Enacted law prohibits discrimination against PWD
Americans with Disabilities Act ADA
Independent, nongovernmental international organization that develops consensus-based market relevant standards for worldwide use
International Organization for Standardization ISO