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Search Publications

NIST Authors in Bold

Displaying 1251 - 1275 of 3892

Preliminary Performance Assessment of Commercially-Available Hydrogen Sensors

November 12, 2007
Author(s)
Nathan D. Marsh, Thomas G. Cleary
As part of an effort to develop standard test methods for the performance of commercial hydrogen sensors, we employed the Fire Emulator / Detector Evaluator, an instrumented flow system designed to study the response of fire detectors (smoke, heat, gas)

Advanced Technology for Fire Suppression in Aircraft

November 6, 2007
Author(s)
Richard G. Gann
In its decade of systematic research (1997-2006), the NGP revitalized the field of fire suppression science. The NGP arose as a result of a discovery that garnered the Nobel Prize for two accomplished chemists and legislation that turned science into

BACnet at Georgia Tech

November 1, 2007
Author(s)
Donald Alexander, Cornelius Ejimofor, David Holmberg
The Van Leer building at Georgia Tech was selected for a pilot project to study the feasibility of using an RTP-based temperature setback approach to energy savings for the campus. Georgia Tech saved approximately 7000 kWh of power and $1000 using the RTP

BACnet Measures Up

November 1, 2007
Author(s)
Steven T. Bushby
BACnet was developed to enable integration of building automation and control products from multiple vendors and to allow building owners the freedom to by products based on price and performance, rather than compatibility with currently installed building

Parallel-Plate Rheometer Calibration Using Oil and Lattice Boltzmann Simulation

October 11, 2007
Author(s)
Chiara F. Ferraris, Nicos Martys, M R. Geiker, N V. Muzzatti
The flow in traditional rotational rheometers is well known and rheological parameters such as viscosity can be calculated relatively easily. On the other hand, when the fluid is a suspension that contains particles with a diameter up to 2 mm, these

A Microfabricated Flow Controller for Refrigerant Expansion

October 1, 2007
Author(s)
David A. Yashar, Piotr A. Domanski, Don DeVoe
A flow controller for refrigerant expansion is reported. Devices are fabricated using a micromolding technique developed for thick nickel electroplating. The device consists of a short tube restrictor with an integrated normally-open valve which, when

The Decontamination for Building Plumbing Systems - Analysis and Procedures

September 30, 2007
Author(s)
Stephen J. Treado
This report describes the results of measurements and analysis of methods to decontaminate building plumbing systems in the event of the accidental or intentional introduction of undesirable substances via the water supply system. The work described was

Analysis of Thermocouple Behavior in Compartment Fires

September 27, 2007
Author(s)
Sung C. Kim, Anthony P. Hamins, Matthew F. Bundy, Gwon Ko, Erik L. Johnsson
The present study uses numerical simulations and analytical solutions to investigate the heat transfer processes associated with bare bead and double shield aspirated thermocouples. The uncertainty of thermocouple temperature measurements is emphasized

Effect of Lubricant on R410A Horizontal Flow Boiling

September 27, 2007
Author(s)
N N. Sawant, Mark A. Kedzierski, J S. Brown
The paper experimentally quantified the effect of lubricant on horizontal flow boiling of R410A. This was accomplished by first establishing a baseline by measuring the convective boiling heat transfer performance of pure R410A. The heat transfer

Evaluating a Ranging Protocol For 3D Imaging Systems

September 19, 2007
Author(s)
Geraldine S. Cheok, Kamel S. Saidi, Alan M. Lytle
In 2006, the ASTM E57 committee was established to develop standards for 3D imaging systems. A 3D imaging system is a non-contact instrument that is used to measure the range and bearing to and/or the 3D coordinates of points on an object or within a

A New Approach to Ventilation Measurements in Enclosure Fires

September 5, 2007
Author(s)
Rodney A. Bryant
The application of Stereoscopic Particle Image Velocimetry (SPIV) is a new approach to quantifying the ventilation in enclosure fires. SPIV is a non-intrusive optical measurement technique which measures the displacement of tracer particles in a flow. The

Cement and Concrete Materials Research at the National Institute of Standards and Technology (NIST)

September 5, 2007
Author(s)
Edward J. Garboczi, Dale P. Bentz, Jeffrey W. Bullard, Chiara F. Ferraris, Nicos Martys, Max A. Peltz, Sudalin Rodrigues, Paul E. Stutzman, Kenneth A. Snyder, John A. Winpigler
The materials science of cement and concrete is the focus of the Inorganic Materials Group at the National Institute of Standards and Technology (NIST). These experimental and computational research efforts include component and finished materials

Modeling Polymer Melt Flow Using the Particle Finite Element Method

September 5, 2007
Author(s)
Kathryn M. Butler, E Onate, S R. Idelsohn, R Rossi
A new particle-based approach is applied to the modeling of experiments on the effects of the melt flow behavior of thermoplastics. The Particle Finite Element Method (PFEM) combines convection of particles by the flow field with a finite element solution

Fatal Training Fires: Fire Analysis for the Fire Service

September 3, 2007
Author(s)
Daniel M. Madrzykowski
The National Institute of Standards and Technology (NIST) has investigated the fire conditions of two very different fire training incidents that resulted in the loss of life. One incident occurred in an acquired structure and the other occurred in a

New Approach to Ventilation Measurements in Enclosure Fires

September 3, 2007
Author(s)
Rodney A. Bryant
The application of Stereoscopic Particle Image Velocimetry (SPIV) is a new approach to quantifying the ventilation in enclosure fires. Stereoscopic PIV is a non-intrusive optical measurement technique which measures the displacement of tracer particles in
Displaying 1251 - 1275 of 3892
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