NIST releases natural ventilation design and analysis tool.NIST (National Institute of Standards & Technology, Washington, DC, www.nist.gov) The standards-defining agency of the U.S. government, formerly the National Bureau of Standards. It is one of three agencies that fall under the Technology Administration (www.technology. has developed a software tool to assist designers of natural ventilation Natural ventilation is the process of supplying and removing air through an indoor space by natural means. There are two types of natural ventilation occurring in buildings: wind driven ventilation and stack ventilation. systems in buildings. The tool, Loop Design and Analysis (LoopDA), is integrated with NIST's existing multizone airflow analysis program, CONTAMW. Prior to this development, designers were unable to perform the engineering analyses required for natural ventilation system design. This limitation was inhibiting in·hib·it tr.v. in·hib·it·ed, in·hib·it·ing, in·hib·its 1. To hold back; restrain. See Synonyms at restrain. 2. To prohibit; forbid. 3. the development and application of new natural ventilation technologies in buildings, which have the potential for increasing energy efficiency and improving indoor environments and occupant occupant n. 1) someone living in a residence or using premises, as a tenant or owner. 2) a person who takes possession of real property or a thing which has no known owner, intending to gain ownership. (See: occupancy) productivity. LoopDA implements the Loop Equation Design Method for sizing openings of natural ventilation in buildings, and allows direct consideration of the dynamics of stack and wind-driven airflows. LoopDA is available for download from NIST at www.bfrl.nist.gov/IAQanalysis. CONTACT: Stuart Dols, (301) 975-5860; stuart.dols@ nist.gov. |
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