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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.


All posts tagged 'Insulation'

Check out all of the posts tagged with 'Insulation' below. If you still can't find what you are looking for, try using the search box.

Comparing Polystyrenes: Looking At the Differences Between EPS and XPS

The Construction Specifier, Sep. 2016, by Jason Burgess.

"Insulation is a critical component to specify when designing a functional, cost-effective, and energy-efficient building. One method to insulate a building is by installing 50 to 152 mm (2 to 6 in.) of rigid foam insulation on the exterior side of the wall framing. Two of the most frequently installed types of rigid foam insulation are expanded and extruded polystyrene (EPS and XPS). Both serve the same basic function: providing a means to manage the passage of heat in a building system. However, they differ in important ways."

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Energy Dept. Announces $19 Million in Building-Efficiency Investments

Heating, Piping, Air Conditioning, Jun 2016.

"The U.S. Energy Department recently announced it is investing $19 million in advanced building technologies intended to lower utility bills, reduce greenhouse-gas emissions, and create jobs."

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Understanding Highly Insulated Wall Assemblies’ Relationship with Global Warming

The Construction Specifier, Mar. 2016, by Jim Lambach.

"A well-insulated building envelope is the starting point in any energy conservation strategy. The embodied global warming potential (GWP) of the insulating material, as part of a complete wall assembly, must be weighed against the use-phase energy efficiency contribution to see the complete environmental picture. This article examines the impact of both high- and low-embodied GWP insulation materials on the ultimate benefit of highly insulated wall assemblies."

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Using Insulating Firebricks to Maximize Energy Savings in Iron and Steel Applications

Insulation Outlook, Jan. 2016, by Steve Chernack and Chris Johnson.

"Engineering design and the lining materials chosen are key factors in controlling the efficiency and energy usage of equipment used in iron and steel applications. Thus, it is critical that industrial designers understand the advantages and disadvantages of the materials they choose. One option for lining material is insulating firebricks (IFBs), which can minimize energy losses. Recent studies conducted on IFBs using the 3 most common manufacturing methods—cast, slinger, and extrusion—show that the cast process offers the lowest thermal conductivity and provides the greatest energy savings."

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Air Barriers for Metal Buildings

Insulation Outlook, Feb. 2016, by William Beals.

"Air barriers have been discussed and used in different ways since the 1930s. The purpose of an air barrier is to limit uncontrolled air leakage into and out of the building’s envelope. A building’s envelope is defined as roof, wall, and floor area that encloses a heated or cooled area. Uncontrolled leakage will result in increased energy usage due to the heat or cooling lost."

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Flexible Aerogel Blanket in Cryogenic Applications

Insulation Outlook, Aug. 2015, by Neal Waaks.

"A thorough discussion of aerogel's physical properties and potential benefits for cryogenic applications." Includes applications in piping and equipment in LNG facilities.

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Venting Vapor

Building Science Corporation, July 15, 2015, by Joe Lstiburek.

"Sometimes the obvious is not so obvious. And sometimes the not so obvious becomes obvious. For example installing leaky ductwork in a vented attic is a pretty dumb idea. It leads to negative pressures and high air change that depending on the time of year and climate zone results in part load humidity problems, ice damming, excessive energy use, loss of comfort, whatever. If radon were valuable we would mine it this way. Where there is an attached garage we call it the Kevorkian option. Everyone pretty much gets it."

Chilled-Water Piping Condensation Control for Energy Savings and Risk Avoidance

Insulation Outlook, Feb. 2015, by Richard Lubinski.

"Proper mechanical insulation of chilled-water piping is critical. The life-cycle cost savings and risk avoidance made possible by insulating chilled-water piping is vital to the design of a high-functioning system. Chilled-water pipe insulation is the wrong place to attempt value engineering when designing new or replacement piping."

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Thermal Bypasses Can Thwart the Best HVAC Systems

IE3 (Indoor Environment & Energy Efficiency), Mar 12, 2015, by Allison Bailes III.

"It seems so simple. There’s outside, and there’s inside. The walls, ceilings, and floors that separate the cold outside from the warm inside should be the only surfaces that rob heat from a home. Interior walls have conditioned space on both sides, so they shouldn’t be a problem, right?"

Investigating EIFS Performance Across Climates: Exterior Insulation and Finishing Systems Studied in Long-term Test

The Construction Specifier, Nov. 2014, by Ulf Wolf.

"Between January of 2005 and June of 2007, the Oak Ridge National Laboratory (ORNL) undertook an extensive EIFS Industry Members Association (EIMA)-sponsored trial comparing the moisture and temperature management properties of several exterior insulation and finishing system configurations with those of other claddings in a hot and humid climate. Now, a new third phase of the study is demonstrating the assembly’s potential for other climate zones."


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