Eric Forrest
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View article: Methods and apparatus for improved thermal monitoring by correlating infrared emissivity to surface topography
Methods and apparatus for improved thermal monitoring by correlating infrared emissivity to surface topography Open
Embodiments of the present disclosure provide an improved method and apparatus for thermal monitoring for a metal additive manufacturing system. An emissivity value of a top surface of an object to be manufactured is determined based, at l…
View article: Explosive device comprising an explosive material having controlled explosive properties
Explosive device comprising an explosive material having controlled explosive properties Open
An explosive device is described herein, wherein the explosive device includes a substrate that has a surface, wherein surface energy of a portion of the surface of the substrate has been modified in a vacuum chamber from a first surface e…
View article: Passive millimeter wave radiometer system for calibration of infrared cameras
Passive millimeter wave radiometer system for calibration of infrared cameras Open
An apparatus for accurate measurement of surface and sub-surface temperatures of an object from a distance without contacting the object is provided. Illustrative embodiments provide for simultaneous measurement of thermal emission and emi…
View article: Non‐Contact Mass Density and Thermal Conductivity Measurements of Organic Thin Films Using Frequency–Domain Thermoreflectance
Non‐Contact Mass Density and Thermal Conductivity Measurements of Organic Thin Films Using Frequency–Domain Thermoreflectance Open
Thin‐film organic materials are broadly used to study amorphous stabilization of active pharmaceuticals, control explosive detonation phenomena, and introduce insulation in novel thermal barriers. Their synthesis, however, introduces defec…
View article: Engineering the Microstructure and Morphology of Explosive Films <i>via</i> Control of Interfacial Energy
Engineering the Microstructure and Morphology of Explosive Films <i>via</i> Control of Interfacial Energy Open
Physical vapor deposition of organic explosives enables growth of polycrystalline films with a unique microstructure and morphology compared to the bulk material. This study demonstrates the ability to control crystal orientation and poros…
View article: Impact of Ionizing Irradiation on Surface Wettability: Fundamentals and Application in Engineering Superhydrophobic Surfaces.
Impact of Ionizing Irradiation on Surface Wettability: Fundamentals and Application in Engineering Superhydrophobic Surfaces. Open
and petroleum products, environmental remediation, and chromatography. Separate abstracts are provided for each paper.
View article: Refractive Imaging of Air Shock Above Microscale Defects in Pentaerythritol Tetranitrate (PETN) Films
Refractive Imaging of Air Shock Above Microscale Defects in Pentaerythritol Tetranitrate (PETN) Films Open
Physical vapor deposition (PVD) of high explosives can produce energetic samples with unique microstructure and morphology compared to traditional powder processing techniques, but challenges may exist in fabricating explosive films withou…
View article: Investigating relationship between surface topography and emissivity of metallic additively manufactured parts
Investigating relationship between surface topography and emissivity of metallic additively manufactured parts Open
View article: Why ionizing radiation enhances surface wettability
Why ionizing radiation enhances surface wettability Open
View article: Impact of Ionizing Irradiation on Surface Wettability: Fundamentals and Application in Engineering Superhydrophobic Surfaces
Impact of Ionizing Irradiation on Surface Wettability: Fundamentals and Application in Engineering Superhydrophobic Surfaces Open
View article: Investigating Surface Roughness Effects on Emissivity for Metal Additive Parts.
Investigating Surface Roughness Effects on Emissivity for Metal Additive Parts. Open
View article: Plastic deformation and material transfer on steel gage blocks during low force mechanical probing
Plastic deformation and material transfer on steel gage blocks during low force mechanical probing Open
View article: Closeout Briefing for PSL Technical Survey of MSTS SCP (JASPER) [PowerPoint]
Closeout Briefing for PSL Technical Survey of MSTS SCP (JASPER) [PowerPoint] Open
NNSA Order 56XB (Chapter 13.2) requires the Primary Standards Laboratory (PSL) to perform technical surveys on the integrated contractors participating in the NNSA Standards and Calibration Program. In addition to Chapter 13.2, the surveys…
View article: Born Qualified Grand Challenge LDRD Final Report
Born Qualified Grand Challenge LDRD Final Report Open
This SAND report fulfills the final report requirement for the Born Qualified Grand Challenge LDRD. Born Qualified was funded from FY16-FY18 with a total budget of ~$13M over the 3 years of funding. Overall 70+ staff, Post Docs, and studen…
View article: Microwave Thermal Analysis and Calibration for Additive Manufacturing.
Microwave Thermal Analysis and Calibration for Additive Manufacturing. Open
View article: Modeling physical vapor deposition of energetic materials
Modeling physical vapor deposition of energetic materials Open
Morphology and microstructure of organic explosive films formed using physical vapor deposition (PVD) processes strongly depends on local surface temperature during deposition. Currently, there is no accurate means of quantifying the local…
View article: Effect of microstructure on the detonation behavior of vapor-deposited pentaerythritol tetranitrate (PETN) films
Effect of microstructure on the detonation behavior of vapor-deposited pentaerythritol tetranitrate (PETN) films Open
The microstructure of pentaerythritol tetranitrate (PETN) films fabricated by physical vapor deposition can be altered substantially by changing the surface energy of the substrate on which they are deposited. High substrate surface energi…
View article: A Review of In-situ Temperature Measurements for Additive Manufacturing Technologies.
A Review of In-situ Temperature Measurements for Additive Manufacturing Technologies. Open
View article: Influence of surface contamination on the microstructure and morphology of vapor-deposited pentaerythritol tetranitrate (PETN) films
Influence of surface contamination on the microstructure and morphology of vapor-deposited pentaerythritol tetranitrate (PETN) films Open
View article: Effect of microstructure on the near-failure detonation behavior of vapor-deposited pentaerythritol tetranitrate (PETN) films
Effect of microstructure on the near-failure detonation behavior of vapor-deposited pentaerythritol tetranitrate (PETN) films Open
View article: Use of Modern Leak Detectors for the Calibration of Leak Standards.
Use of Modern Leak Detectors for the Calibration of Leak Standards. Open
View article: Design of Fixtures for Calibration of Thread Wires and Gaging Balls on Horizontal 1-D Measuring Machines.
Design of Fixtures for Calibration of Thread Wires and Gaging Balls on Horizontal 1-D Measuring Machines. Open
View article: Design of an Organic Simplified Nuclear Reactor
Design of an Organic Simplified Nuclear Reactor Open
Numerous advanced reactor concepts have been proposed to replace light water reactors ever since their establishment as the dominant technology for nuclear energy production. While most designs seek to improve cost competitiveness and safe…
View article: Design of an Organic Simplified Nuclear Reactor
Design of an Organic Simplified Nuclear Reactor Open
View article: Effect of Surface Oxidation on the Onset of Nucleate Boiling in a Materials Test Reactor Coolant Channel
Effect of Surface Oxidation on the Onset of Nucleate Boiling in a Materials Test Reactor Coolant Channel Open
The onset of nucleate boiling (ONB) serves as the thermal-hydraulic operating limit for many research and test reactors. However, boiling incipience under forced convection has not been well-characterized in narrow channel geometries or fo…
View article: Effect of Surface Oxidation on the Onset of Nucleate Boiling in a Materials Test Reactor Coolant Channel
Effect of Surface Oxidation on the Onset of Nucleate Boiling in a Materials Test Reactor Coolant Channel Open
The onset of nucleate boiling (ONB) serves as the thermal-hydraulic operating limit for many research and test reactors. However, boiling incipience under forced convection has not been well-characterized in narrow channel geometries or fo…
View article: Topics in Dimensional Metrology.
Topics in Dimensional Metrology. Open
View article: Convective Heat Transfer in a High Aspect Ratio Minichannel Heated on One Side
Convective Heat Transfer in a High Aspect Ratio Minichannel Heated on One Side Open
Experimental results are presented for single-phase heat transfer in a narrow rectangular minichannel heated on one side. The aspect ratio and gap thickness of the test channel were 29:1 and 1.96 mm, respectively. Friction pressure drop an…
View article: Convective Heat Transfer in a High Aspect Ratio Minichannel Heated on One Side
Convective Heat Transfer in a High Aspect Ratio Minichannel Heated on One Side Open
Experimental results are presented for single-phase heat transfer in a narrow rectangular minichannel heated on one side. The aspect ratio and gap thickness of the test channel were 29:1 and 1.96 mm, respectively. Friction pressure drop an…
View article: Influence of surface contamination on the wettability of heat transfer surfaces
Influence of surface contamination on the wettability of heat transfer surfaces Open