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Saturday, July 25, 2020 | History

3 edition of A sensitive optical pyrometer for shock-temperature measurements found in the catalog.

A sensitive optical pyrometer for shock-temperature measurements

A sensitive optical pyrometer for shock-temperature measurements

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  • 25 Currently reading

Published by National Aeronautics and Space Administration in [Washington, D.C.? .
Written in English

    Subjects:
  • Pyrometers

  • Edition Notes

    StatementMark B. Boslough and Thomas J. Ahrens
    SeriesNASA-CR -- 173602, NASA contractor report -- 173602
    ContributionsAhrens, T. J. 1936-, United States. National Aeronautics and Space Administration
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL14928573M

    Raiche G. and Driver D., Shock Layer Optical Attenuation and Emission Spectroscopy Measurements During Arc Jet Testing with Ablating Models, 42nd AIAA, Kobayashi S. et al., Study of nanosecond discharges in H2-air mixtures at atmospheric pressure for plasma assisted combustion applications, PSST, Vol. 26, Categories. Baby & children Computers & electronics Entertainment & hobby.

    A13 © The Meteoritical Society, Printed in USA. A14 69th Meeting of the Meteoritical Society: Abstracts Pb-Pb SYSTEMATICS OF MARTIAN METEORITES AND THE DIFFERENTIATION HISTORY OF MARS F. Albarède1, A. Bouvier1, 2, J. Blichert-Toft1, and J. D. Vervoort3. 1Ecole Normale Supérieure, Lyon, France. E-mail: [email protected] 2Department of . Monday, Septem EARLY SOLAR SYSTEM - a.m. Room Chair(s): M. Humayun D. W. G. Sears Foster P. N.* Boss A. P. Short-Lived Radionuclides and Solar System Formation The evidence for live 26Al in Allende refractory inclusions [1] implies that no more than about 1 Myr elapsed between the nucleosynthesis of the 26Al and its incorporation into cm-sized inclusions in .

      A阿[a]阿登生圈Adamson ring阿登生式炉胆Adamson furnace; Adamson type furnace埃[ai]anstrom unit (A)安[an]安定化shake-down安定到弹性行为 shakedown to elast 化工和机械英文字典【全集】,氟塑料论坛. Optical absorption measurements. The optical properties of strongly nonideal mercury plasma were measured by Hensel (, , ) and Ikezi et al. (). Optical cells in the – eV energy range were developed.


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A sensitive optical pyrometer for shock-temperature measurements Download PDF EPUB FB2

Get this from a library. A sensitive optical pyrometer for shock-temperature measurements. [Mark B Boslough; T J Ahrens; United States. National Aeronautics and Space Administration.]. Although the streaked optical pyrometer (SOP) system has been widely adopted in shock temperature measurements, its reliability has always been of concern.

@article{osti_, title = {Contributed Review: Absolute spectral radiance calibration of fiber-optic shock-temperature pyrometers using a coiled-coil irradiance standard lamp}, author = {Fat’yanov, O.

V., E-mail: [email protected] and Asimow, P. D., E-mail: [email protected]}, abstractNote = {We describe an accurate and. Pyrometry is one of the most prevalent techniques for measuring temperature in shock physics experiments. However, the challenges of applying pyrometry in.

M.B Boslough, T.J AhrensA sensitive time-resolved radiation pyrometer for shock-temperature measurements above K Rev.

Sci. Instrum., 60 (), pp. Google ScholarCited by: A sensitive time-resolved radiation pyrometer for shock-temperature measurements above K.

An optical system has been developed which can determine time-resolved temperatures in shocked materials by measuring the spectral radiance of light emitted from shocked solid samples in the visible and near-infrared wavelength range ( {mu Cited by: 1.

Multi-wave pyrometry. To improve the accuracy of temperature measurements, multi-wave methods are used, based on registration the thermal radiation of an object in several spectral ranges and repeatedly applying a brightness or color approach to different wavelengths or wavelength by: 7. PUBLICATIONS (Abstracts excepted) Katz, S., and T.

Ahrens, Ultrasonic measurements of elastic properties of small specimens at high pressure, in High Pressure Measurement, edited A sensitive optical pyrometer for shock-temperature measurements book A. A and plagioclase, in Shock Metamorphism of Natural Materials, edited by B.

French and N. Short, pp.Mono Book Corp. Book Search tips Selecting this option will search all publications across the Scitation platform Selecting this option will search all publications for the Publisher/Society in context. A sensitive time‐resolved radiation pyrometer for shock‐temperature measurements above K.

Mark B. Boslough and Thomas J. Ahrens. Boslough M.B., and Ahrens T.J. (), A Sensitive Time-Resolved Radiation Pyrometer for Shock-Temperature Measurements above K, Rev. Sci. Instrum. 60, Cited by: Shock compression and isentropic release of granite This is consistent with the shock-temperature measurements The data of Lyzenga ef al.

() were obtained from pyrometer measurements. The present results agree well with the extrapolated trends from this data Size: 1MB. The temperature measurements are based on the analysis of the copious radiation emitted by materials when shocked to high pressure.

The radiative spectrum of a sample is detected by optical pyrometry, utilising interference filters and photomultipliers or photodiodes (Lyzenga & Ahrens, ). giving a shock temperature between C.

The resultsfor the hotspot temperatures, however, are inconclusive. Finally, using a similar procedure, the residual temperature in the sample after the shock decays was estimated tobe about C.

These resul tshelp constrain the equation of state of ice, i.e. Shock waves generated by laser-driven ablation in solids have provided a great opportunity for the study of dense plasmas.

The work presented in this thesis include measurements of Hugoniot curves and the reflectivity of shocked aluminum. In these experiments, planar aluminum targets were irradiated with a µm, 2ns (FWHM) laser pulse at irradiances up to ~ 10¹⁴/cm².

Temporally and. Full text of "Annual report of the National Bureau of Standards" See other formats. This banner text can have markup. web; books; video; audio; software; images; Toggle navigation. KMS used a unique ellipsoidal clamshell optical system91 to irradiate the spherical target with a high degree of uniformity.

The targets were thin-walled glass microspheres, with diameter —70 im and wall thickness —1 im, filled withCited by:   Absolute calibration of the OMEGA streaked optical pyrometer for temperature measurements of compressed materials.

SciTech Connect. Gregor, M. C.; Boni, R.; Sorce, A. Experiments in high-energy-density physics often use optical pyrometry to determine temperatures of dynamically compressed materials. In combination with simultaneous shock-velocity and optical. You can write a book review and share your experiences.

Other readers will always be interested in your opinion of the books you've read. Whether you've loved the book or not, if you give your honest and detailed thoughts then people will find new books that are right for them. Emissivity independent optical pyrometer.

DOEpatents. Earl, Dennis Duncan; Kisner, Roger A. Disclosed herein are representative embodiments of methods, apparatus, and systems for determining the temperature of an object using an optical n embodiments of the disclosed technology allow for making optical temperature measurements that are independent of.

Read "Author Index to Ceramic Abstracts for January, Journal of the American Ceramic Society" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.The temperature was measured by means of an optical pyrometer focused on a small hole in the die.

The heating speed was 80oC/min, the vacuum degree was Pa, and the pressure was 30 MPa. Generally, the ON/OFF ratio of pulsed current was set as 12/2 and .The physical principles used as a basis for the sensors during studies of fast processes can be subdivided into three groups: mechanical, electrical (electromagnetic), and optical (X-ray, electro-optical).