THE THERMAL CONDUCTIVITY OF SOME REFRACTORIES1

The problem of measuring the thermal conductivity of materials up to high temperatures has been studied, especially in regard to the sources of error. This investigation has shown that many of the previous determinations of thermal conductivity may have had little precision due to a lack of appreciation of the errors involved. The values of thermal conductivity for a number of refractories are given, as obtained by a new type of apparatus designed to eliminate to a considerable extent the errors of measurement. However, it is believed that these values may have an error as high as ± 25 % for the better heat conductors; so there is still much work to be done in developing a method for measuring thermal conductivity with the precision usual in other physical measurements.

[1]  P. W. Bridgman.  The thermal conductivity and compressibility of several rocks under high pressures , 1924 .

[2]  M. O'day.  A New Application of the Bar Method for the Measurement of Thermal Conductivity. , 1924 .

[3]  R. M. King,et al.  THE TRANSFER OF HEAT THROUGH REFRACTORIES AND ITS DETERMINATION , 1923 .

[4]  W. B. Brown.  Thermal Conductivities of Some Metals in the Solid and Liquid States , 1923 .

[5]  E. Griffiths,et al.  The Measurement of Thermal Conductivity , 1923 .

[6]  G. Thompson.  Heat Flow in a Finite Cylinder having Variable Surface Temperature , 1922 .

[7]  R. Pike.  NEED FOR MORE REFRACTORY HEAT INSULATORS Proposed Conductometers for Measuring Thermal Conductivity1 , 1922 .

[8]  E. T. J. D.Sc.,et al.  XXXVII. On the form of the temperature wave spreáding by conduction from point and spherical sources; with a suggested application to the problem of spark ignition , 1922 .

[9]  R. A. Horning.  HEAT TRANSMISSION OF BRICK AND HIGH TEMPERATURE INSULATING MATERIALS , 1920 .

[10]  J. Clarke.  LVIII. On the thermal conductivity of some solid insulators , 1920 .

[11]  W. M. Thornton.  LXXIII. The thermal conductivity of solid insulators , 1919 .

[12]  T. Peczalski.  Contribution à l'étude de la conductibilité calorifique des solides , 1917 .

[13]  G. Dougill,et al.  The thermal conductivity of refractory materials , 1915 .

[14]  T. Barratt.  Thermal Conductivity. Part II.: Thermal Conductivity of Badly-conducting Solids , 1914 .

[15]  I. Williams.  XLIX. The absolute thermal conductivity of glass , 1913 .

[16]  Horace H. Poole M.A. Sc.B..  IV. On the thermal conductivity of some rocks at high temperatures , 1912 .

[17]  J. Suchý.  Wärmestrahlung und Wärmeleitung , 1911 .

[18]  J. K. Moore.  Tests on the thermal conductivity of terra cotta fireproofing , 1908 .

[19]  C. Lees.  Bakerian Lecture: The Effects of Temperature and Pressure on the Thermal Conductivities of Solids. Part II. The Effects of Low Temperatures on the Thermal and Electrical Conductivities of Certain Approximately Pure Metals and Alloys , 1908 .

[20]  C. Niven,et al.  On a method of finding the conductivity for heat , 1905 .

[21]  R. W. Willson,et al.  On the Thermal Conductivities of Certain Poor Conductors. I , 1898 .

[22]  O. C. Marsh.  On the structure and affinities of the Brontotheridae , 1874, American Journal of Science.