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Residential fire sprinklers have long proven themselves as life safety technologies to the fire service community. Only until recently have they shown to be cost-effective for homeowners, as installation costs have fallen and performance increased. While
Marla L. Dowell, Christopher L. Cromer, Xiaoyu X. Li, John Bagford, Dan Seibert, John Eric, David Cooper, Steven Comisford, Ernie Cromwell, Richard Bowling
We report comparisons of laser power measurements between the new NIST radiometer, also known as the BB Prime, and the current Air Force standards, known as the BB calorimeter. [1] These measurements were performed using high power laser sources in the Air
… profiling the usage of appliances and devices within a home can be used to determine an occupants daily activities … in a testbed in which electrical loads typical to a home are operated. Preliminary tests show the dependence of …
The elastic constants and internal friction of induction hardened and unhardened SAE 1050 plain-carbon steel were determined by acoustic resonance spectroscopy. The hardened specimen contained only martensite and the unhardened specimen was ferrite
Alexander Maranghides, Shonali Nazare, Eric Link, Kathryn Butler, Erik L. Johnsson, Matthew Bundy, Artur A. Chernovsky, Frank Bigelow, Steven Hawks, William (Ruddy) Mell, Anthony Bova, Thomas Milac, William Walton, Bob Raymer, Frank Frievalt
… target structure to demonstrate the effectiveness of fire hardening revealed that the non-fire hardened structure …
… A 2715 ft2 (252 m2), two story, residential home of the style typical of the Gaithersburg, Maryland area … technologies employed to produce a net-zero energy (NZE) home (or ZEH). It functions as a laboratory to support the … June 30, 2014. During the first year of operation, the homes annual energy consumption was 13039 kWh (4.8 kWh ft-2, …
Readers of the November 2010 IAQ Applications column by Bud Offermann learned about a large, residential IAQ study that highlighted the importance of mechanical ventilation in U.S. homes. ASHRAE Standard 62.2-2010 Ventilation and Acceptable Indoor Air
… PRC scientists inadvertently discovered a new type of self-hardening cements that consists of only calcium phosphates … small defects in bone. In contrast, because of its self-hardening and in vivo resorption properties, CPC has the … in CPC. These improvements include a much shorter hardening time of 5 min [3], a considerably higher …
Qilin Guo, Minglei Qu, Chihpin Chuang, Lianghua Xiong, Ali Nabaa, Zachary Young, Yang Ren, Peter Kenesei, Fan Zhang, Lianyi Chen
… in the as-printed parts. Here we report a precipitation hardening stainless steel design guided by phase … of its peak-aged wrought counterpart after precipitation hardening heat treatment. The superior as-printed property is …