A photon-recycling incandescent lighting device. [PDF]
Sci Adv, 2023 Zhang H +13 more
europepmc +1 more source
Development of a High Temperature Heater using an Yttria Stabilized Zirconia Cored Brick Matrix [PDF]
The Ames pilot heater is a ceramic regenerative heater that provides high temperature air for aerodynamic and combustion experiments. The development of this heater to provide a heat storage bed with temperature capability of about 4600 R is described. A
Decoursin, D. G., Smith, K. W.
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Effect of Processing Parameters on Bonding Performance of a Carbon Fiber/Polyetheretherketone Thermoplastic Composite Prepared by Induction Welding. [PDF]
Materials (Basel), 2023 Choi BK, Kang CS, Yoo MH, Seo MK.
europepmc +1 more source
Mechanisms of boron fiber strengthening by thermal treatment [PDF]
The fracture strain for boron on tungsten fibers was studied for improvement by heat treatment under vacuum or argon environments. The mechanical basis for this improvement is thermally-induced axial contraction of the entire fiber, whereby strength ...
Dicarlo, J. A.
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Time-resolved nanosecond optical pyrometry of the vapor to plasma transitions in exploding bridgewires. [PDF]
Sci Rep, 2021 Feagin TA +4 more
europepmc +1 more source
Instrumentation for propulsion systems development [PDF]
Apparatus and techniques developed or used by NASA-Lewis to make steady state or dynamic measurements of gas temperature, pressure, and velocity and of the temperature, tip clearance, and vibration of the blades of high-speed fans or turbines are ...
Warshawsky, I.
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Development of A Multi-Spectral Pyrometry Sensor for High-Speed Transient Surface-Temperature Measurements in Combustion-Relevant Harsh Environments. [PDF]
Sensors (Basel), 2022 Neupane S +3 more
europepmc +1 more source
Arcjet Ablation of Stony and Iron Meteorites [PDF]
A test campaign was conducted placing meteorites in the 60 MW plasma Arcjet Interaction Heating Facility at NASA Ames Research Center, with the aim to achieve flight-relevant conditions for asteroid impacts in Earth's atmosphere and to provide insight ...
Agrawal, Parul +4 more
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Calibrated Photoacoustic Spectrometer Based on a Conventional Imaging System for In Vitro Characterization of Contrast Agents. [PDF]
Sensors (Basel), 2022 Lucas T +6 more
europepmc +1 more source
Friction, wear, transfer and wear surface morphology of ultra-high-molecular-weight polyethylene [PDF]
Tribological studies at 25 C in a 50-percent-relative-humidity air atmosphere were conducted using hemispherically tipped 440 C HT (high temperature) stainless steel pins sliding against ultra-high-molecular-weight polyethylene (UHMWPE) disks.
Fusaro, R. L.
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