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Items Tagged with 'heat exchangers'

ARTICLES

AHRI: Engineers able to verify liquid-to-liquid heat exchanger performance

April 9, 2014

The Air-Conditioning, Heating, and Refrigeration Institute’s certification program now allows design engineers to verify the software outputs of certified liquid-to-liquid heat exchanger performance ratings.


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Seawater Warms Up Marine College Building

“Think Globally, Design Locally” could’ve been the slogan for this opportunistic design on the Maine coast.
February 1, 2014
Geothermal and VRF components, along with a key design revision and even an underwater heat exchanger, buoyed this project as it sailed toward a flexible and sustainable finish.
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Case In Point

Florida prison escapes higher costs with desuperheaters

February 1, 2014
Florida, like most southern states, has an abundance of sunshine throughout the year.
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Alfa Laval introduces new heat exchanger warranty

May 2, 2013

A new three-year warranty is now available for Alfa Laval’s complete range of AlfaNova fusion-bonded brazed heat exchangers and semi-welded plate heat exchangers.


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Pumping and Flow Controls in Geothermal Heat Pump Systems

November 9, 2012
What are the key technical challenges and design options for optimizing a geothermal heat pump design? Review the pros and cons involved with centralized or distributed pumping, with hybrid or decoupled systems, and with the controls that can guide them.
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Large Scale Geothermal Heat Pump Systems

September 6, 2011
With the help of advances in intelligent controls and a shift in design mindset, these systems can steer buildings toward smaller equipment sizes and associated savings. Review three projects and consider the benefits of keeping an upcoming project in the loop.
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Case In Point

Renovating HVAC systems at Air Force Base achieves energy goals

August 1, 2011
Two energy recovery units saved this Air Force Base hangar $24,500 in heat recovery costs. United States Air Force personnel sought a solution to renovate the makeup air and exhaust
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Case In Point

Resort receives pool heater as an early Christmas present

July 1, 2011
A high-efficiency boiler was used to heat this year-round outdoor pool, resulting in less maintenance and lower Btu. In November 2009, the original pool heater at the L’Arbre Croche resort
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Precious Metal: Cogeneration And Cooperation At Oregon State

June 1, 2011
The first university cogen plant in the U.S. to earn LEED® Platinum certification, the OSU Energy Center succeeded via consistently efficiency-minded design and an exceptional level of analysis and teamwork in the commissioning process. Fuel flexibility, staff training, and a projected $650,000 annual savings didn’t hurt, either.
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Case In Point

Air Force hangars in Alaska salute new heating system's tempering effect

May 1, 2011
A heating system evened out the temperature and improved working conditions at this Alaska Air Force hangar.Extreme sub-arctic temperatures at Eielson Air Force Base near Fairbanks, AK, where winter temperatures
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Check out highlights from projects featured in our magazine this year!
3/27/14 11:00 am EST

How to Calculate Backup Power Supply Requirements for Your Facility

On-Demand This webinar reviews how to determine power requirements of facility loads; electrical characteristics and impact of different types of loads such as large motors and UPS systems on power supply sizing; acceptable power sources and other constraints applied by building codes; and how software tools can be used to simplify the process of calculating backup power requirements.  

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ES April 2014 cover

2014 April

Check out the April 2014 issue of Engineered Systems, with features on backup power supply requirements, cyberattacks, and much more!

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Design Flaws

Following up on Howard McKew's April "Tomorrow's Environment" column: Have you ever thought twice about reporting problems with another firm's design? What did you do?
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Tomorrow's Environment Podcast

This series from longtime columnist and chronic forward-thinker Howard McKew covers a lot of ground -- from retrocommissioning to systems training, on toward checklists for drawings and tips for meeting minutes. Click HERE to be taken to the podcast page!

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