• Measurement Science & Systems Engineering
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Method of Making Textured and Large Single Crystal Materials at High Cooling Rates Method of Making Textured and Large Single Crystal Materials at High Cooling Rates Disclosure Number 201102731 Technology Summary The present invention comprises a unique processing method that yields large single crystals and/or near perfect texturing between crystals. Co…

: Fact Cards
: Crystal, Cooling, Texturing...

In-Vessel Torsional Ultrasonic Wave–Based Level Measurement System At Three Mile Island in 1979, a partial meltdown of the core was caused by a sudden, undetected loss of reactor coolant water. In the past, a reactor s high temperature and pressure environment has complicated the implementation of level measurement devices. To effectively measure the level of coolant, ORNL has developed a torsion…

Thermodynamic Control of Stoichiometry-Induced Defects in Photovoltaic Materials Thermodynamic Control of Stoichiometry-Induced Defects in Photovoltaic Materials Disclosure Number 201102623 Technology Summary Manufacturers of solar cells have had significant difficulty scaling up various processes, i.e., reproducing the performance that they have achieve…

Glass Drawing for Wire Arrays Refractory metals are extraordinarily resistant to heat and wear. They all share a melting point above 2000 C and are hard at room temperature. The high melting points make powder metallurgy the method of choice for fabricating components of refractory metal, such as wire arrays. Researchers at ORNL have developed a method of forming refractory wire arrays using a g…

Fig 1: Calorimeter Sensor Membranes Catalyst Silicon Die Catalytic and Catalytic Differential Calorimeter Gas Sensors Fabrication and Evaluation Introduction The Environmental Protection Agency and California Air Resources Board mandated on-board monitoring of the exhaust gas conversion efficiency of catalytic converters under its On-Board Diagnostic phase 2 (OBD-II) plan. A variety of exhaust ga…

Hydrogensensors A wheatstone bridge hydrogen sensor on ceramic substrate Low-cost, Thick-film Hydrogen Sensors Patented device for fuel cell, hydrogen storage and process monitoring Palladium Sensors Ready for Commercial Development. In response to the need for highly reliable, low-cost hydrogen sensors, the Oak Ridge National Laboratory (ORNL) is developing an integrated hydrogen measurement…

: Fuel Cell, Sensor, Hydrogen...

Street canyon flow patterns in a horizontal plane : measurements from the Joint URBAN 2003 field experiment LA-UR- 0c4-s/a..7 Approved for public release; distribution is unlimited. Title : Author(s): Submitted to: o Los Alamos STREET CANYON FLOW PATTERNS IN A HORIZONTAL PLANE : MEASUREMENTS FROM TH E JOINT URBAN 2003 FIELD EXPERIMEN T Michael J . Brown Hari Khals a Matt Nelson Davi…

Temperature measurement method using temperature coefficient timing for resistive or capacitive sensors Description BACKGROUND OF THE INVENTION 1. Field of the Invention This invention relates generally to a new method for temperature measurement that provides a direct digital temperature output, and is especially suited for low cost, low power, moderate accuracy implementation. Mo…

Compact High-Voltage Power Supply Disclosure Number 201202883 Technology Summary The invention relates to electrical components and more specifically to a high voltage power supply. A high-voltage dc power supply is described that is very compact and highly efficient while being mechanically and electrically robust. The supply is long lasting and solves p…

: Fact Cards
: Power Supply, Power, Compacting...

High Quality Large Scale Single and Multilayer Graphene Production by Chemical Vapor Deposition High Quality Large Scale Single and Multilayer Graphene Production by Chemical Vapor Deposition Disclosure Number 201102713 Technology Summary The present invention for making graphene was developed for atmospheric pressure conditions in contrast to convention…

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