Optimal Sound Reduction for Terminal Units
Terminal units influence a building occupant’s experience through heating, cooling and acoustics. Price offers attenuators and silencers as two different methods to reduce a terminal unit’s operating sound level. An attenuator reduces sound levels by utilizing a section of duct lined with acoustical media whereas a silencer utilizes both baffling and acoustical media to break sound waves and reduce the sound level leaving the unit. Although attenuators may suit a project depending on its acoustical requirements and pricing, silencers offer optimal sound reduction.
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Topics:
HVAC Silencers,
Terminals,
HVAC Fundamentals,
HVAC
An Essential Design Consideration for Mechanical Engineers
Pressure drop – the difference in pressure between two points in a fluid-carrying system – is one of the most critical design considerations for air distribution equipment in the HVAC industry. The problem with pressure drop for terminal units is that there are a number of metrics that are often confused with one another despite referring to different performance variables. These include static pressure drop, velocity pressure drop, pressure drop associated with acoustics and pressure drop associated with accessories.
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Topics:
Pressure Drop,
Terminals,
HVAC Fundamentals,
HVAC,
Engineering,
Design Engineering
Exploring Pressure-Dependent and Pressure-Independent Fluid Control
Water-to-air heat exchangers are commonly used throughout commercial HVAC systems. The amount of fluid flowing through a coil directly influences the temperature exchanged to the air, which ultimately impacts the thermal comfort of those in the space. Both the type and size of piping package components are important to ensure that the overall system is running efficiently and to optimize thermal comfort.
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Topics:
Terminals,
HVAC Fundamentals,
HVAC,
Engineering,
Design Engineering
A Practical, Engineered Solution for Controlling Noise
Silencers, also referred to as sound attenuators or sound traps, are used as part of the HVAC system to reduce the noise that would otherwise be transmitted to the nearest indoor or outdoor space. In large commercial or industrial applications, silencers can be used in large banks to prevent noise from transferring into the environment.
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Topics:
Noise Control,
Noise Solution,
HVAC Silencers,
Duct Noise Reduction,
HVAC Fundamentals,
HVAC,
Engineering
The Induction Process and the Science Behind Chilled Beams
Although perceived as an up-and-coming technology, chilled beams have been around for years. This system offers many benefits, including energy savings over the lifespan of a project, reduced duct sizing, lower noise levels and minimal required maintenance.
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Topics:
Beams,
HVAC Fundamentals,
HVAC,
Engineering
