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Disaster Advice Glossary
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Disaster recovery and restoration can be veiled in mystery to the many who have not undertaken specific training. This glossary explains technical terms to assist both report writing and the understanding of those technical terms so often misunderstood.
Definition
| Absorb: |
In water damages, the temporary ability of porous building materials and contents to absorb (hold and retain) liquid water and water vapour for periods of time. Education Note:Like a sponge, most absorbent materials are able to give up their water when atmospheric conditions are desirable or when forced to through dynamic pressure. See Absorbant, Air Dynamics |
| Aeration: |
In water damage restorative drying the process by which dryer air is artificially introduced into wet building materials and contents, allowing some building materials and contents to dry faster. See Air Movement, Air Dynamics, Acceleration Velocity, Advection, Turbidity/TD> |
| Air Drying Process: |
Restorative Drying Note: In water damaged buildings, air drying is the process of removing wet (humidified) indoor air from a structure. The air drying process may be completed using natural means or engineering controls (drying eequipment), sufficient enough to dry the indoor air, wet and humidified wall cavities and other building materials, within a relatively short period of time before building damage occurs or mold growth occurs. See Air Dynamics, Air Exchange Rate/TD> |
| Air Dynamics: |
The ability of air to have energy and force in motion. The transfer or induction of air from one area to another through pressure, temperature or humidity. Air dynamics are in contrast with static air. Air dynamics can move airborne contaminates from or into porous materials. See Adiabatic, Air Movement, Air Pathway, Convection, Static/TD> |
| Respirable Air Dynamics: |
Respirable air is the intake and exhalation of air after normal inhalation or the intake and exhalation of air during exertion. During activity, normal inhalation and exhalation is increased, resulting in forced or labored breathing. Forced air breathing is called complemental or complementary air. Complemental air can amount to 3,000 millimeters of air, bringing the vital capacity, the maximum amount of air moved in and out of the lungs over any one forced breath to 4,500 to 6,500 millimeters. In resting non-labored breathing, the action of just breathing in air that is not forced through exertion, is called tidal air. Tidal air is the ordinary air inhaled and exhaled during each breathe. In adults, tidal air amounts to about 500 millimeters of air. Exhaled air is air forced out of the lungs after normal exhalation and is called supplemental air, it amounts to about 1,100 millimeters, leaving the lungs with about 1,200 millimeters of residual air. Residual air is air remaining in lungs which is not forced out. |
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