Results 121 to 130 of about 3,163 (202)

A test method for evaluating the thermal environment of underground coal mine refuge alternatives. [PDF]

open access: yesInt J Min Sci Technol, 2019
Yantek DS   +4 more
europepmc   +1 more source

Operational performance of a low cost, air mass 2 solar simulator [PDF]

open access: yes
Modifications and improvements on a low cost air mass 2 solar simulator are discussed. The performance characteristics of total irradiance, uniformity of irradiance, spectral distribution, and beam subtense angle are presented.
Curtis, H. B., Yass, K.
core   +1 more source

A study to improve the mechanical properties of silicon carbide ribbon fibers [PDF]

open access: yes
Preliminary deposition studies of SiC ribbon on a carbon ribbon substrate showed that the dominant strength limiting flaws were at the substrate surface.
Debolt, H. E., Robey, R. J.
core   +1 more source

A Granite Bed Storage for a Small Solar Dryer. [PDF]

open access: yesMaterials (Basel), 2018
NemÅ› M, NemÅ› A, Pacyga P.
europepmc   +1 more source

Comparison of Heat Transfer from Airfoil in Natural and Simulated Icing Conditions [PDF]

open access: yes
An investigation of the heat transfer from an airfoil in clear air and in simulated icing conditions was conducted in the NACA Lewis 6- by 9-foot icing-research tunnel in order to determine the validity of heat-transfer data as obtained in the tunnel ...
Gelder, Thomas F., Lewis, James P.
core   +1 more source

Effects of carbon/graphite fiber contamination on high voltage electrical insulation [PDF]

open access: yes
The contamination mechanics and resulting failure modes of high voltage electrical insulation due to carbon/graphite fibers were examined. The high voltage insulation vulnerability to carbon/graphite fiber induced failure was evaluated using a ...
Eichler, C., Garrity, T.
core   +1 more source

Rapid Formation of Polymer Frits in Fused Silica Capillaries Using Spatially defined Thermal Free-Radical Initiated Polymerization. [PDF]

open access: yesSep Sci Plus, 2018
Sandy KE   +6 more
europepmc   +1 more source

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