TITLE

Thermal diffusivity measurements in glass and Teflon using photopyroelectric signal spectral

AUTHOR(S)
Bonno, B.; Laporte, J.L.; d'Leon, R. Tascon
PUB. DATE
October 1996
SOURCE
Review of Scientific Instruments;Oct96, Vol. 67 Issue 10, p3616
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Reports on the thermal diffusivity measurements in glass and Teflon using photopyroelectric signal spectral analysis and correlation techniques. Multifrequency rear surface excitation combined with impulse response determination using correlation photopyroelectric techniques; Development of a software for the remote control of electronic devices.
ACCESSION #
4295508

 

Related Articles

  • Self-consistent photoacoustic techniques for thermal diffusivity measurements of self-curable resins. Balderas-López, J. A. // Review of Scientific Instruments;Mar2003, Vol. 74 Issue 3, p1338 

    Two self-consistent photoacoustic methodologies, for measuring thermal diffusivity of self-curable resins, are presented. These methodologies make use of the analytical solution for the one-dimensional heat diffusion problem for a three-layer system, assuming the surface absorption model. The...

  • Simultaneous measurement of the thermal conductivity and thermal diffusivity of unconsolidated materials by the transient hot wire method. Glatzmaier, Greg C.; Ramirez, W. Fred // Review of Scientific Instruments;Jul1985, Vol. 56 Issue 7, p1394 

    This paper describes a new design for the transient hot wire method that can obtain the thermal conductivity and thermal diffusivity of unconsolidated materials. In this method, the thermal conductivity is determined from the slope of the temperature rise versus time of an electrically heated...

  • Apparatus for dynamical thermal measurements of low-thermal diffusivity particulate materials at subambient temperatures Murashov, Vladimir V.; White, Mary Anne // Review of Scientific Instruments;Dec1998, Vol. 69 Issue 12, p4198 

    Presents an apparatus for thermal diffusivity measurement of particulate materials at subambient temperatures. Theory of modulated heat flow in a cylindrical cell; Description of the thermal conductivity apparatus; Applications of the instrument.

  • Determination of thermal conductivity and specific heat by a combined 3ω/decay technique. Frank, R.; Drach, V.; Fricke, J. // Review of Scientific Instruments;Mar93, Vol. 64 Issue 3, p760 

    A technique is presented that allows measurement of both the thermal effusivity and diffusivity of the specimen. It employs the thermal excitation of a sample with a plane-surface heater at frequency ω and the observation of the 3ω thermal response of this metal element. In addition the...

  • Fully automated apparatus for thermal diffusivity measurements on HTSC in high magnetic field. Calzona, V.; Cimberle, M. R.; Ferdeghini, C.; Putti, M.; Siri, A. S. // Review of Scientific Instruments;Mar93, Vol. 64 Issue 3, p766 

    This paper describes an apparatus to measure the thermal diffusivity of high temperature superconductors in an extended range of temperature (10–300 K) and magnetic field (up to 8 T). Heat losses are taken into account by adopting an ac technique. Effects introduced by power dissipated on...

  • Thermal diffusion cloud chamber—new criteria for proper operation. Heist, Richard H.; Martinez, Daniel; Chan, Yuk; Bertelsmann, Anne // AIP Conference Proceedings;2000, Vol. 534 Issue 1, p280 

    We report results of new nucleation experiments involving 1-pentanol with hydrogen as the background gas utilizing the high-pressure diffusion cloud chamber (HPCC). We discuss the important issue of buoyancy-driven convective motion and cloud chamber operation, and we focus on the lower total...

  • On the piezoelectric contribution to the photopyroelectric signal. Salazar, A.; Oleaga, A. // Review of Scientific Instruments;Mar2005, Vol. 76 Issue 3, p034901 

    The most important goal of the photopyroelectric (PPE) technique, wherein an opaque sample is periodically illuminated on one face while the other is in contact with the pyroelectric detector, is its ability to measure the thermal properties across phase transitions with high accuracy. For...

  • Thermal diffusivity of nonflat plates using the flash method. Salazar, Agustín; Fuente, Raquel; Apiñaniz, Estibaliz; Mendioroz, Arantza // Review of Scientific Instruments;Jan2011, Vol. 82 Issue 1, p014902 

    The flash method is the standard technique to measure the thermal diffusivity of solid samples. It consists of heating the front surface of an opaque sample by a brief light pulse and detecting the temperature evolution at its rear surface. The thermal diffusivity is obtained by measuring the...

  • Application of the thermal flash technique for low thermal diffusivity micro/nanofibers. Demko, Michael T.; Dai, Zhenting; Yan, Han; King, William P.; Cakmak, Miko; Abramson, Alexis R. // Review of Scientific Instruments;Mar2009, Vol. 80 Issue 3, p036103 

    The thermal flash method was developed to characterize the thermal diffusivity of micro/nanofibers without concern for thermal contact resistance, which is commonly a barrier to accurate thermal measurement of these materials. Within a scanning electron microscope, a micromanipulator supplies...

Share

Read the Article

Courtesy of THE LIBRARY OF VIRGINIA

Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics