The Science of ComfortTM
More than ever before, engineers, contractors and building owners are choosing chilled beams for their projects. This energy-efficient technology uses the heat transfer capabilities of air and water to provide heating and cooling in a space. But the concept of installing a water coil within the housing of the chilled beam raises some very important questions: will there be condensation, and are drain pans required?
Topics: Beams, Condensate, HVAC Fundamentals, HVAC, Engineering, Design Engineering
Laminar flow is a type of fluid motion characterized by smooth parallel layers, or laminae, that can slide relative to each other with little to no mixing. This is in contrast to turbulent flows, where chaotic changes in pressure and velocity can be observed as vortices, or eddies (reverse swirling currents), and where much more mixing occurs within the fluid.
Topics: Diffusers, HVAC Fundamentals, HVAC, Engineering, Critical Environments
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.
Topics: Beams, Displacement, HVAC Fundamentals, HVAC, Engineering
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.
Topics: Terminals, Fan Coils, HVAC Fundamentals, HVAC, Engineering
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.
Topics: Beams, HVAC Fundamentals, HVAC, Engineering
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