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Displaying 2026 - 2050 of 3892

Numerical Model of Bubbling Thermoplastics. (Abstract/Presentation)

December 1, 2003
Author(s)
Kathryn M. Butler
Thermoplastic materials such as polypropylene (PP), polyethylene (PE), and polystyrene (PS) are widely used in household furnishings, and therefore constitute a large fraction of the fuel load during a fire. The combustible gases generated during polymer

Performance of Home Smoke Alarms, Analysis of the Response of Several Available Technologies in Residential Fire Settings.

December 1, 2003
Author(s)
Richard W. Bukowski, Richard D. Peacock, Jason D. Averill, Thomas G. Cleary, Nelson P. Bryner, Paul A. Reneke
This report presents the results of the project and provides details of the response of a range of residential smoke alarm technologies in a controlled laboratory test and in a series of real-scale tests conducted in two different residential structures

Ventilation Characterization of a New Manufactured House

December 1, 2003
Author(s)
Andrew K. Persily, J Crum, Steven J. Nabinger, M Lubliner
A new, double-wide manufactured home has been installed on the NIST campus for ventilation, energy and indoor air quality studies. The primary purposes of the facility are to study the mechanical ventilation requirements for manufactured homes in the U.S

A Photoconductivity Technique for the Assessment of Pigment Reactivity

November 19, 2003
Author(s)
Joannie W. Chin, S J. Scierka, T Kim, Amanda L. Forster
Large volumes of titanium dioxide (TiO2) are utilized each year in coatings, sealants, plastics and paper for opacification and pigmentation purposes. It is well known that the photoreactivity of TiO2 can contribute to the degradation of the material that

Neighborhood-Scale Fire Spread

November 16, 2003
Author(s)
Ronald G. Rehm, D. D. Evans, William E. Mell, Simo A. Hostikka, Kevin B. McGrattan, Glenn P. Forney, Charles E. Bouldin, Elisa S. Baker
This paper describes development of a physics-based mathematical and computational model to predict fire spread among structures and natural fuels (trees, shrubs and ground litter). This tool will be used to understand how fires spread in a community where

A New Federal Test Procedure for Dishwashers

November 1, 2003
Author(s)
Natascha S. Milesi-Ferretti
Soil-sensing models represent a group of innovative dishwashers that measure operational values (e.g., turbidity, pressure, water temperature) and adapt the wash cycle based on the information collected. Because of the responsiveness of these dishwashers

Accelerated UV Weathering Device Based on Integrating Sphere Technology

November 1, 2003
Author(s)
Joannie W. Chin, E Byrd, E Embree, Jason D. Garver, B Dickens, T Finn, Jonathan W. Martin
An accelerated ultraviolet (UV) weathering device based on integrating sphere technology has been designed, fabricated, and implemented in weathering studies of polymers. This device has the capability of irradiating multiple speciments with exptremely

Discussion of Definition of Wind Profiles in ASCE 7 by Yin Zhou and Ahsan Kareem

November 1, 2003
Author(s)
Emil Simiu, Fahim Sadek, Michael A. Riley
The discussion presents a critique of a paper published in the Journal of Structural Engineering, Aug. 2002, pp. 1082-1086. The main points of the discussion are: (1) the ASCE Standard definition of wind profiles is inconsistent with the ASCE definition of

Enemies at the Gates: Securing the BACnet building

November 1, 2003
Author(s)
David G. Holmberg
This article seeks to increase awareness of the threats associated with connecting the building control system (specifically a BACnet system) to a wider network. In addition, it presents countermeasures available for addressing security threats

On the Interaction of a Liquid Droplet with a Pool of Hot Cooking Oil

November 1, 2003
Author(s)
Samuel L. Manzello, Jiann C. Yang, Thomas G. Cleary
An experimental study is presented for distilled water droplets impacting on a heated pool of cooking oil. The impaction process was recorded using a high-speed digital camera at 1000 frames per second. The initial droplet diameter was fixed at 3.1+0.1 mm

A Simulation Analysis of BACnet Local Area Networks

October 15, 2003
Author(s)
W Song, S Hong, Steven T. Bushby
Cnet is a standard data communication protocol for building automation and control systems. BACnet defines an object-base model of the information that is exchanged between components of the building automation system and an application layer protocol that

Development of an Optical Fiber-Based Moisture Sensor for Building Envelopes

October 1, 2003
Author(s)
William M. Healy, S Luo, M Evans, A Sucheta, Y Liu
Optical fiber-based moisture sensors have been developed to help detect moisture problems in building envelopes. The sensors are created with a coating on a long period grating that is written onto optical fiber. As the coating absorbs moisture from its

Impact of Natural Ventilation Strategies and Design Issues for California Applications, Including Input to ASHRAE Standard 62 and California Title 24-Report on Task 4.4.3a and 4.4.3b of CEC-EEB RMT Project

October 1, 2003
Author(s)
Steven J. Emmerich, Andrew K. Persily, William S. Dols, James W. Axley
Natural ventilation has the potential to reduce the energy required for cooling and ventilating commercial buildings while still providing acceptable thermal comfort and indoor air quality. While a recent surge of interest in Europe has advanced natural
Displaying 2026 - 2050 of 3892
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