Exam 2 Flashcards
(115 cards)
Hypocaust
“Under burnt”
Romans used masonry to circulate heat
Disadvantage of the hypocaust
Carbon Monoxide
IAQ
Indoor Air Quality
1 ton of cooling =
1 ton of ice
Emergence of office typology brought:
Indoor air pollution
OPR
Owner performance requirements
Commissioning process
Process of assuring that everything meets OPR requirements
Thermodynamics
Study of the effects of work, heat, and energy on a system
E terms for qualifying and quantifying design performance
Energy Effectiveness Efficiency Enthalpy Entropy Exergy Conservation
Energy
Ability to do work
Applied psycometrics (heating & cooling)
Sensible heating / cooling
Humidifying + heating / cooling
Dehumidifying +heating / cooling
Dehumidying…. humidifying (evaporative cooling)
Psychrometry
Study of physical and thermal properties of dry air and water vapor mixtures
Why we care about psychrometry
Mold / condensation / life safety
2 methods of dealing with water vapor
1 keep humid air away from cool surfaces
2 keep surfaces warm when in contact with humid air
HVAC is selected based on:
Size of project (small vs specialty)
Heat flows from ______ to ______
Hot to cold
Heat flow in the winter
From building to outdoors
Thermal materials are classified as ______ or ______
Insulators or conductors
How many types of insulators are there
3
_____+_____+_____= a good conductor
Density, conductance, specific heat
Insulators have ______ r value
Higher
UV rays
Ultraviolet
UV have _______
Infrared have ________
Short waves
Longwaves
______ rays can not penetrate _____
Infrared …. glass /atmosphere