Combining the Benefits of Chilled Beams and Displacement Ventilation
Chilled beam systems use the heat transfer capabilities of water to provide sensible cooling to a space. As we’ve discussed previously on the blog, when the system is in cooling mode, the induction process facilitated by the chilled beam nozzles causes warmer room air to mix with the colder primary air, providing the space with supply air with temperatures at 62°F to 66°F – much warmer than the 55°F supply air provided by conventional cooling systems.
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Topics:
Beams,
Displacement,
HVAC Fundamentals,
HVAC,
Engineering
Providing Supplemental Reheat to the Highest Standards of Safety
Electric coils are an HVAC accessory that in certain applications utilize electricity to reheat conditioned supply air for an occupied space. There are two types of electric coils provided on Price's terminals and fan coils: duct heaters and terminal unit heaters. Both achieve the same goal of providing supplemental reheat to the occupied space but differ in their construction and configuration.
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Topics:
Terminals,
Fan Coils,
HVAC Fundamentals,
HVAC,
Engineering
Using Natural Convection to Provide Energy-Efficient Comfort
Chilled beam technology is often separated into two categories: active and passive. As we explored in a previous blog post, active chilled beams take in primary air from an air handler, which is then pressurized and released through a series of nozzles. Passive chilled beams, however, do not have any supply air ducted to them and operate utilizing natural convection. This energy-efficient cooling device is often coupled with other air systems such as underfloor air, displacement ventilation and active chilled beams.
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Topics:
Beams,
HVAC Fundamentals,
HVAC,
Engineering
A Look at What’s New in the USP 797/800 Standards for Pharmaceutical Compounding
United States Pharmacopeia (USP) is a nonprofit organization that was founded in the 1820s by a group of physicians and is enforced by the U.S. Food & Drug Administration (FDA). USP sets standards for the identity, strength, quality and purity of medicines.
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Topics:
HVAC Fundamentals,
HVAC,
Engineering,
Design Engineering,
Critical Environments
Precise and Accurate Airflow Control
Venturi valves are devices designed to control airflow for room pressurization and fume hood air containment. They are most often used in spaces that require precise and accurate airflow control, protecting occupants from hazardous airborne gases and particles through proper ventilation.
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Topics:
Static Pressure,
HVAC Fundamentals,
HVAC,
Engineering,
Design Engineering
