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Energy Newsbriefs Blog

This current awareness service is prepared by the WSU Energy Program Library with funding from the U.S. Department of Energy State Energy Program. This information is provided for energy professionals and interested members of the public to highlight recent energy-related news, articles, and reports that discuss energy efficiency, energy conservation, and renewable sources of energy in engineering and policy circles.

 

Category: Industrial Newsbriefs

Industrial


Microgrid Momentum: Building Efficient, Resilient Power

C2ES: Center for Climate and Energy Solutions, Mar. 2017, Doug Vine, et. al.
https://www.c2es.org/docUploads/microgrid-momentum-03-2017.pdf

"When Hurricane Sandy cut off power to millions of homes and businesses in the Northeast, a few areas, mostly parts of universities, kept the lights on using their own power generation systems. This ability to sustain electricity service during widespread natural disasters is one reason for the growing interest in microgrids. But they offer other important benefits as well. By increasing efficiency, integrating renewables, and helping manage energy supply and demand, microgrids can reduce greenhouse gas emissions and ave energy. For utilities, microgrids can ensure power reliability in remote areas. Microgrids also appeal to those who want to disconnect from utility bills."

Optimized Energy Recovery

ASHRAE Journal, Jan. 2017, by Marvin Kirshenbaum.
http://ashraecok.org/images/downloads/Technical_Literature/journal_2017_01_optimized_energy_recovery.pdf

"This article addresses extending the application of waste heat recovery to both reheat and primary heating, allowing for a heat reclaim system no longer restricted to seasonal operation."

Where To Place Air-Cooled Chillers

Engineered Systems, Feb. 2017, by Kishor Khankari.
http://www.esmagazine.com/articles/98146-where-to-place-air-cooled-chillers

"Warm discharge plumes sweeping back into air-cooled condensers is nobody’s idea of an ideal performance environment. This CFD study shows how wind speed, wind direction, spacing between chillers, and separation from adjacent buildings all factor into the conversation about the best defense against unwanted hot air."

Fluid Cooling In Data Centers — If Not Now, When?

Engineered Systems, Jan. 2017, by Kevin Dickens.
http://www.esmagazine.com/articles/98105-fluid-cooling-in-data-centers-if-not-now-when

"Trends don’t always follow the expected path (or timeline), but the basics remain the basics and increased cabinet density remains inevitable. Let’s revisit the progress of liquid in data center strategy and the tenets of a future-proof(ish) hybrid design for today."

Design of a High-Temperature-Hot-Water-Plant Expansion

HPAC Engineering, Jan. 2017, by Eric Chrencik.
http://hpac.com/heating/design-high-temperature-hot-water-plant-expansion

"There are four main components of HTHW-plant design:
  • HTHW-generator selection.
  • Pump selection.
  • Consideration of system expansion and makeup.
  • Stress analysis and piping layout.
This article discusses all four for a recently completed HTHW-plant expansion at George Mason University in Fairfax, VA."

Why Net Metering Matters For Commercial Solar, Too

Solar Industry, Jan. 2017, by Graham Smith.
http://issues.solarindustrymag.com/article/why-net-metering-matters-for-commercial-solar-too

"The C&I sector is often overlooked when it comes to the battle over NEM reform.... 2017 promises to hold many more discussions across the nation about NEM reform, from northwestern states like Utah, to the tip of the Northeast in New Hampshire and Maine. As policymakers and industry executives come together to decide on the future of solar, there must also be discussions about the effects of NEM reforms on C&I."

Alcatraz: One of the Largest Microgrids in the United States

U.S. Dept. of Energy, Jan. 26, 2017, by Mike Mueller.
https://energy.gov/eere/articles/welcome-alcatraz-one-largest-microgrids-united-states

"Each year, more than 1.5 million people tour Alcatraz Island to visit its iconic prison. But, most people don’t realize that this 22-acre site, located in the middle of the San Francisco Bay, is also home to one of the nation’s largest microgrids. The island is equipped with a solar-diesel hybrid power system that most visitors probably won’t notice."

Trends in Hydronics

HPAC Engineering, Dec. 2016, by John Vastyan.
http://hpac.com/piping-pumping/trends-hydronics

"Innovations aimed at enhancing energy efficiency, improving system performance, and prolonging equipment life."

Selecting Actuators for Industrial HVAC/Process Dampers

HPAC Engineering, Dec. 2016, by Bill Lampkin.
http://hpac.com/iaq-ventilation/selecting-actuators-industrial-hvacprocess-dampers

"If it is to accomplish its intended purpose, any damper installed in a HVAC system must be equipped with an appropriate actuator. The selection of an actuator for a specific damper requires consideration of a number of factors. This article examines the actuator-selection process. (Note: While damper actuators often go by other names, such as damper motors, damper operators, and motor packs, “damper actuator” is the appropriate terminology.)"

Refrigerants in Transition: Impacts on HVAC-System Design

HPAC Engineering, Dec. 2016, by Ryan Geister.
http://hpac.com/air-conditioning/refrigerants-transition-impacts-hvac-system-design

"With the world’s attention increasingly focused on climate change, organizations are more attuned to carbon-footprint implications during the building-design process and the impacts buildings have on the environment. HVAC-system efficiency plays a crucial role in a building’s environmental impact. While it is important to choose equipment that delivers high-efficiency performance, it is even more critical to consider a building’s entire HVAC system during design."
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