Christopher U. Brown
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View article: NIST eave and vent experiments (EaVE) EaVEs phase A :
NIST eave and vent experiments (EaVE) EaVEs phase A : Open
This test plan documents experiments that are part of ongoing research to assess structure-to-structure fire spread in the Wildland-Urban Interface (WUI). Previous indoor and outdoor full-scale experiments were conducted with varying dista…
View article: Supplement to a case study of the camp fire:
Supplement to a case study of the camp fire: Open
The 2018 Camp Fire in Butte County, California quickly impacted the communities of Concow, Paradise, and Magalia, triggering widespread evacuation of 40000 people. The fire became the most deadly and destructive fire in California history,…
View article: A case study of the Camp Fire :
A case study of the Camp Fire : Open
The 2018 Camp Fire in Butte County, California quickly impacted the communities of Concow, Paradise, and Magalia, triggering widespread evacuation of 40 000 people. The fire became the most deadly and destructive fire in California history…
View article: Measuring water flow rate for a fire hose using a wireless sensor network for smart fire fighting :
Measuring water flow rate for a fire hose using a wireless sensor network for smart fire fighting : Open
A wireless sensor network was created to measure water-flow rate in a fire hose. An integrated electronic piezoelectric (IEPE) accelerometer was chosen as the sensor to measure the flow rate based on the vibrations generated by water flowi…
View article: Reduced-scale compartment gaseous fuels backdraft experiments
Reduced-scale compartment gaseous fuels backdraft experiments Open
This report documents the design and construction of a reduced-scale compartment and summary data for a set of gaseous fuel experiments to study the backdraft phenomenon. In these experiments, a fire was enclosed in a compartment with modi…
View article: Report on High Energy Arcing Fault Experiments
Report on High Energy Arcing Fault Experiments Open
This report documents an experimental program designed to investigate High Energy Arcing Fault (HEAF) phenomena for medium voltage electrical switchgear containing aluminum conductors. This report covers full-scale laboratory experiments u…
View article: Measuring water flow rate for a fire hose using wired accelerometers for smart fire fighting
Measuring water flow rate for a fire hose using wired accelerometers for smart fire fighting Open
A wired sensor network was created to measure water-flow rate in a fire hose.An integrated electronic piezoelectric (IEPE) accelerometer was chosen as the sensor to measure the flow rate based on the vibrations generated by water flowing t…
View article: Measuring water flow rate for a fire hose using a wireless sensor network for smart fire fighting
Measuring water flow rate for a fire hose using a wireless sensor network for smart fire fighting Open
Certain commercial entities, equipment, or materials may be identified in this document in order to describe an experimental procedure or concept adequately.Such identification is not intended to imply recommendation or
View article: The effects of laser powder bed fusion process parameters on material hardness and density for nickel alloy 625
The effects of laser powder bed fusion process parameters on material hardness and density for nickel alloy 625 Open
The goal of this study was to investigate the relationship between mechanical and material properties (including density) of manufactured nickel super alloy (IN625) using a laser powder bed fusion process and three process parameters: lase…
View article: The influence of spreading metal powders with different particle size distributions on the powder bed density in laser-based powder bed fusion processes
The influence of spreading metal powders with different particle size distributions on the powder bed density in laser-based powder bed fusion processes Open
In laser powder bed fusion (LPBF) processes, the powder size characteristics, like particle shape, particle size (PS), particle size distribution (PSD), and the resulting powder bed density (PBD), are key influencing factors of the built m…
View article: Effects of powder recycling on stainless steel powder and built material properties in metal powder bed fusion processes
Effects of powder recycling on stainless steel powder and built material properties in metal powder bed fusion processes Open
A series of 11 identical laser-based powder bed fusion (PBF) builds were completed with varying amounts of virgin and recycled nitrogen gas atomized S17-4 PH stainless steel powder following a specific powder recycling strategy that simula…
View article: Microstructure Analysis for Additive Manufacturing: A Review of Existing Standards
Microstructure Analysis for Additive Manufacturing: A Review of Existing Standards Open
Microstructure characterization methods require sampling of parts or specific test specimens using special preparation methods.Such preparation methods may include cross-sectioning, grinding, polishing, and etching.There are specific stand…