Seismically Certified AAON HVAC Equipment
After an earthquake or seismic event, buildings containing essential services must be able to remain operational. Seismic certification of HVAC equipment provides assurance that the equipment will not only survive the earthquake, it will remain online and functional. Seismically certified HVAC equipment allows consulting and specifying engineers to meet the strictest seismic building codes, quickly and easily, without the delays of additional certification testing. Seismically certified HVAC equipment allows building owners to protect their investment.
Using CFD to Measure Humidity Evacuation Efficiency for a Kitchen Exhaust Hood System
When developing kitchen exhaust hood systems, CaptiveAire engineers investigate methods to remove heat and effluent produced during the cooking process. Various conditions are considered such as containing vapor from stoves and grills, reducing condensation on surfaces, and maintaining cleanliness of the cooking space. They must also consider the comfort of the cooking staff by providing a steady supply of fresh air and regulating the temperature and humidity inside the kitchen.
Pressure Control for Today's High Performance Green Buildings
The control of building pressure is essential to maintain acceptable indoor air quality (IAQ), thermal comfort, and structural integrity. Negatively pressurized buildings result in the transport of untreated outdoor air into the building. this untreated outdoor air will result in the transport of dirt, dust and other contaminants; the transport of moisture in humid climates; mold growth; and more. In addition, improper building pressure may damage the building envelope.
Advantages of Using Integrated Thermal Controls Versus Third-Party Controls
Data center managers have many choices when choosing thermal controls, either those that come pre-installed and integrated with cooling units, or third-party controls requiring installation on units and additional integration programming. Emerson Network Power believes that using thermal controls that come integrated with cooling units helps ensure fast, trouble-free, and efficient thermal management and easier integration to building management systems (BMS). In contrast, some of the biggest mistakes we have seen in the thermal controls arena have resulted from using third-party controls requiring complex programming and integration to units and the BMS.
Greenheck Project Profile:
Construction of the new 37,000-seat Marlins Park in Miami, Florida began in July, 2009 and was completed in March of 2012 in time for the 2012 Major League Baseball season. The new Marlins Park is located on the site of the former Orange Bowl and includes a retractable roof to shelter fans from Miami’s intense summer heat, humidity and rain showers. Average temperature inside the park with the roof closed is 75 degrees F. The spectacular ballpark includes a swimming pool adjoining left field and two aquariums behind home plate. Fan safety and comfort were key priorities in building the ballpark. Area building codes required that a reliable, top performing life-safety smoke removal system be installed to ensure the safe evacuation of fans and employees in the event of a fire. Due to the location of the ballpark in the Florida highvelocity hurricane zone, roof mounted ventilation equipment also needed to be Miami-Dade Qualified and Florida Approved.
Industrial Damper Torque — How the Options You Select Affect Actuator Selection and Costs
This article will provide background on the various causes of damper torque and help you understand how these causes may affect your overall required torque to operate the damper and the cost impact of over-specifying.
Advanced Heating Technology: Applying VRF in Cold Climates
Every year the seasons come and go. Predictability can be helpful, but seasonal challenges themselves can be plentiful and tedious. Winter arrives with its cold temperatures and disruptive precipitation. When it comes to heating our spaces – from office buildings to schools to health and wellness facilities – the challenge is to not just get the heating we need, but to do it effectively and efficiently.
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