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Patient Rooms: CFD For Better IAQ

Can a location of air return affect the flow path of airborne pathogens in a patient room? Use simulations to manage the variables and improve the design in a space that is no room for error.
Air is the primary carrier of heat, moisture, contaminants, and airborne pathogens in patient rooms, isolation rooms, and operating rooms.
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Chiller Retrofit: The Attraction Of Magnetic Bearings

With multiple expansions and projects, a DC-area hospital also had to plan for cooling that could keep up with developing demands and spaces.

When the facilities management staff of Mount Vernon Hospital completed an assessment of its central chilled water plant, it became evident that while the original chillers had served the hospital well since its opening in 1975, they were ready for replacement.


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Building Automation

Building To Grid — AKA B2G

When it comes to the Smart Grid, are you prepared? Consider two design strategies to connect buildings to the available benefits.
You’ve heard a lot of talk about the deployment of the Smart Grid. Most of the initial smart grid deployments are focused on the de-ployment of smart meters that enable utilities to gather usage information in near real time — or what they call Automated Meter Infrastructure (AMI).
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Calculated With Care: Ventilation in Health Care Systems

A Mississippi clinic needed above-average design on a budget. The equipment was nothing unusual. However, creativity and attention to detail uncovered opportunities to fine-tune the design and exceed ventilation benchmarks for less.
Engineers’ daily challenges include calculations for outside air, supply air, and return or exhaust air flows — all while balancing mandated code requirements with owners’ expectations for performance, equipment first-cost, and future energy costs.
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The Tablet's Potential For Engineering Buildings

The first installment in this series introduces the collaborative tablet engineering experiment, and it establishes a roadmap for exploration of the tablet’s potential contribution to enhancing and streamlining our collective engineering endeavors.
When I was a kid, programming on my Texas Instruments TI-16 and later on a Commodore 64, I was making simple games to play.
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Illuminating Info: UV-C For HVAC

Looking for lifecycle guidance or more extensive info for your stationary appli-cations? An industry IAQ veteran weighs in about the design, installation, commissioning, retrofit, and O&M of ultraviolet systems for commercial HVAC equipment.
Feedback from potential users of UV in HVAC equipment suggests that many are confused about its use
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Tomorrow's Environment

How Safe Is Your HVAC System?

Whether it’s terrorism or a natural disaster or accident, building managers must be ready for multiple “worst-case scenarios.”
Back in July 2012, this magazine published an article titled “HVAC Security Emergencies — No Terrorists Required” with very little reader response to this most serious issue.
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Editor's Note

Mission: It’s Possible

Biowalls, nanolubricants, and tablet tech await.
The day (or the thing that needs fixing, or the deadline, or the design) right in front of us is often more than sufficient for taking all our attention.
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ES Gallery: Snapshots & Systems

Check out highlights from projects featured in our magazine this year!
4/28/15 2:00 pm EST

The Big Data Webinar: Big Data or Big Science?

Join Dr. Joe Jacobsen as he examines the question Big Data or Big Science?

Engineered Systems Magazine

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2015 April

Check out the April issue of ES with the cover story: Discovery vs. Disaster: Why You Should Know The Limits Of Your Data Center.
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