The Experts below are selected from a list of 297 Experts worldwide ranked by ideXlab platform
Richard A. Perkins - One of the best experts on this subject based on the ideXlab platform.
-
Reference Correlation of the Thermal Conductivity of Carbon Dioxide from the Triple Point to 1100 K and up to 200 MPa
Journal of physical and chemical reference data, 2016Co-Authors: Marcia L. Huber, Marc J. Assael, E.a. Sykioti, Richard A. PerkinsAbstract:This paper contains new, representative reference equations for the Thermal Conductivity of carbon dioxide. The equations are based in part upon a body of experimental data that has been critically assessed for internal consistency and for agreement with theory whenever possible. In the case of the dilute-Gas Thermal Conductivity, we incorporated recent theoretical calculations to extend the temperature range of the experimental data. Moreover, in the critical region, the experimentally observed enhancement of the Thermal Conductivity is well represented by theoretically based equations containing just one adjustable parameter. The correlation is applicable for the temperature range from the triple point to 1100 K and pressures up to 200 MPa. The overall uncertainty (at the 95% confidence level) of the proposed correlation varies depending on the state point from a low of 1% at very low pressures below 0.1 MPa between 300 and 700 K, to 5% at the higher pressures of the range of validity.
-
Reference Correlations of the Thermal Conductivity of Cyclopentane, iso-Pentane, and n-Pentane
Journal of Physical and Chemical Reference Data, 2015Co-Authors: Cristina M. Vassiliou, Marcia L. Huber, Marc J. Assael, Richard A. PerkinsAbstract:New, wide-range reference equations for the Thermal Conductivity of cyclopentane, iso-pentane, and n-pentane are presented. The equations are based in part upon a body of experimental data that has been critically assessed for internal consistency and for agreement with theory whenever possible. In the case of the dilute-Gas Thermal Conductivity, a theoretically based correlation was adopted in order to extend the temperature range of the experimental data. In the critical region, the enhancement of the Thermal Conductivity is well represented by theoretically based equations containing just one adjustable parameter, estimated by a predictive scheme. The Thermal-Conductivity equations behave in a physically reasonable manner over a wide range of conditions that correspond to the range of validity of the most accurate equations of state for each fluid. The estimated uncertainties of the correlations are dependent on the availability of accurate experimental data for validation, and are different for each f...
-
Reference Correlations of the Thermal Conductivity of Cyclopentane, iso-Pentane, and n-Pentane
Journal of Physical and Chemical Reference Data, 2015Co-Authors: Cristina M. Vassiliou, Marcia L. Huber, Marc J. Assael, Richard A. PerkinsAbstract:New, wide-range reference equations for the Thermal Conductivity of cyclopentane, iso-pentane, and n-pentane are presented. The equations are based in part upon a body of experimental data that has been critically assessed for internal consistency and for agreement with theory whenever possible. In the case of the dilute-Gas Thermal Conductivity, a theoretically based correlation was adopted in order to extend the temperature range of the experimental data. In the critical region, the enhancement of the Thermal Conductivity is well represented by theoretically based equations containing just one adjustable parameter, estimated by a predictive scheme. The Thermal-Conductivity equations behave in a physically reasonable manner over a wide range of conditions that correspond to the range of validity of the most accurate equations of state for each fluid. The estimated uncertainties of the correlations are dependent on the availability of accurate experimental data for validation, and are different for each fluid, varying from 1% (at the 95% confidence level) for the liquid phase of iso-pentane over the temperature range 307 K
-
Reference Correlation of the Thermal Conductivity of Toluene from the Triple Point to 1000 K and up to 1000 MPa
Journal of Physical and Chemical Reference Data, 2013Co-Authors: Marc J. Assael, Marcia L. Huber, S. K. Mylona, Richard A. PerkinsAbstract:This paper contains new, representative reference equations for the Thermal Conductivity of n-hexane. The equations are based in part upon a body of experimental data that has been critically assessed for internal consistency and for agreement with theory whenever possible. In the case of the dilute-Gas Thermal Conductivity, a theoretically based correlation was adopted in order to extend the temperature range of the experimental data. Moreover, in the critical region, the experimentally observed enhancement of the Thermal Conductivity is well represented by theoretically based equations containing just one adjustable parameter. The correlations are applicable for the temperature range from the triple point to 600 K and pressures up to 500 MPa. The overall uncertainty (considered to be estimates of a combined expanded uncertainty with a coverage factor of 2) of the proposed correlation is estimated, for pressures less than 500 MPa and temperatures less than 600 K, to be less than 6%.
-
Reference Correlation of the Thermal Conductivity of Methanol from the Triple Point to 660 K and up to 245 MPa
Journal of Physical and Chemical Reference Data, 2013Co-Authors: E.a. Sykioti, Marcia L. Huber, Marc J. Assael, Richard A. PerkinsAbstract:This paper contains new, representative reference equations for the Thermal Conductivity of methanol. The equations are based in part upon a body of experimental data that has been critically assessed for internal consistency and for agreement with theory whenever possible. In the case of the dilute-Gas Thermal Conductivity, a theoretically based correlation was adopted in order to extend the temperature range of the experimental data. Moreover, in the critical region, the experimentally observed enhancement of the Thermal Conductivity is well represented by theoretically based equations containing just one adjustable parameter. The correlation is applicable for the temperature range from the triple point to 660 K and pressures up to 245 MPa. The overall uncertainty (at the 95% confidence level) of the correlation over its range of applicability for the liquid and supercritical phases, excluding the critical region, is estimated to be less than 4.4%. The dilute Gas region has an estimated uncertainty of 3%, and the liquid at atmospheric pressure is represented to 2%. Uncertainty in regions where data are unavailable for comparison, such as the dense Gas region, may be larger.
Marc J. Assael - One of the best experts on this subject based on the ideXlab platform.
-
Reference Correlation of the Thermal Conductivity of Carbon Dioxide from the Triple Point to 1100 K and up to 200 MPa
Journal of physical and chemical reference data, 2016Co-Authors: Marcia L. Huber, Marc J. Assael, E.a. Sykioti, Richard A. PerkinsAbstract:This paper contains new, representative reference equations for the Thermal Conductivity of carbon dioxide. The equations are based in part upon a body of experimental data that has been critically assessed for internal consistency and for agreement with theory whenever possible. In the case of the dilute-Gas Thermal Conductivity, we incorporated recent theoretical calculations to extend the temperature range of the experimental data. Moreover, in the critical region, the experimentally observed enhancement of the Thermal Conductivity is well represented by theoretically based equations containing just one adjustable parameter. The correlation is applicable for the temperature range from the triple point to 1100 K and pressures up to 200 MPa. The overall uncertainty (at the 95% confidence level) of the proposed correlation varies depending on the state point from a low of 1% at very low pressures below 0.1 MPa between 300 and 700 K, to 5% at the higher pressures of the range of validity.
-
Reference Correlations of the Thermal Conductivity of Cyclopentane, iso-Pentane, and n-Pentane
Journal of Physical and Chemical Reference Data, 2015Co-Authors: Cristina M. Vassiliou, Marcia L. Huber, Marc J. Assael, Richard A. PerkinsAbstract:New, wide-range reference equations for the Thermal Conductivity of cyclopentane, iso-pentane, and n-pentane are presented. The equations are based in part upon a body of experimental data that has been critically assessed for internal consistency and for agreement with theory whenever possible. In the case of the dilute-Gas Thermal Conductivity, a theoretically based correlation was adopted in order to extend the temperature range of the experimental data. In the critical region, the enhancement of the Thermal Conductivity is well represented by theoretically based equations containing just one adjustable parameter, estimated by a predictive scheme. The Thermal-Conductivity equations behave in a physically reasonable manner over a wide range of conditions that correspond to the range of validity of the most accurate equations of state for each fluid. The estimated uncertainties of the correlations are dependent on the availability of accurate experimental data for validation, and are different for each f...
-
Reference Correlations of the Thermal Conductivity of Cyclopentane, iso-Pentane, and n-Pentane
Journal of Physical and Chemical Reference Data, 2015Co-Authors: Cristina M. Vassiliou, Marcia L. Huber, Marc J. Assael, Richard A. PerkinsAbstract:New, wide-range reference equations for the Thermal Conductivity of cyclopentane, iso-pentane, and n-pentane are presented. The equations are based in part upon a body of experimental data that has been critically assessed for internal consistency and for agreement with theory whenever possible. In the case of the dilute-Gas Thermal Conductivity, a theoretically based correlation was adopted in order to extend the temperature range of the experimental data. In the critical region, the enhancement of the Thermal Conductivity is well represented by theoretically based equations containing just one adjustable parameter, estimated by a predictive scheme. The Thermal-Conductivity equations behave in a physically reasonable manner over a wide range of conditions that correspond to the range of validity of the most accurate equations of state for each fluid. The estimated uncertainties of the correlations are dependent on the availability of accurate experimental data for validation, and are different for each fluid, varying from 1% (at the 95% confidence level) for the liquid phase of iso-pentane over the temperature range 307 K
-
Reference Correlation of the Thermal Conductivity of Toluene from the Triple Point to 1000 K and up to 1000 MPa
Journal of Physical and Chemical Reference Data, 2013Co-Authors: Marc J. Assael, Marcia L. Huber, S. K. Mylona, Richard A. PerkinsAbstract:This paper contains new, representative reference equations for the Thermal Conductivity of n-hexane. The equations are based in part upon a body of experimental data that has been critically assessed for internal consistency and for agreement with theory whenever possible. In the case of the dilute-Gas Thermal Conductivity, a theoretically based correlation was adopted in order to extend the temperature range of the experimental data. Moreover, in the critical region, the experimentally observed enhancement of the Thermal Conductivity is well represented by theoretically based equations containing just one adjustable parameter. The correlations are applicable for the temperature range from the triple point to 600 K and pressures up to 500 MPa. The overall uncertainty (considered to be estimates of a combined expanded uncertainty with a coverage factor of 2) of the proposed correlation is estimated, for pressures less than 500 MPa and temperatures less than 600 K, to be less than 6%.
-
ReferenceCorrelationoftheThermalConductivityofn-HeptanefromtheTriple Point to 600 K and up to 250 MPa
2013Co-Authors: Marc J. Assael, R. A. Perkins, Marcia L. Huber, S. K. Mylona, V. VesovicAbstract:This paper contains new, representative reference equations for the Thermal Conductivity of n-heptane. The equations are based in part upon a body of experimental data that have been critically assessed for internal consistency and for agreement with theory whenever possible.Inthecase ofthedilute-Gas Thermal Conductivity,atheoretically based correlation was adopted in order to extend the temperature range of the experimental data. Moreover, inthecriticalregion,theexperimentally observedenhancementoftheThermalConductivity is well represented by theoretically based equations containing just one adjustable parameter. The correlations are applicable for the temperature range from the triple point to 600 K and pressures up to 250 MPa. The overall uncertainty (considered to be estimates of a combined expanded uncertainty with a coverage factor of 2) of the proposed correlation is estimated, for pressures less than 250 MPa and temperatures less than 600 K, to be less than 4%. 2013 by the U.S. Secretary of Commerce on behalf of the
Marcia L. Huber - One of the best experts on this subject based on the ideXlab platform.
-
Reference Correlation of the Thermal Conductivity of Carbon Dioxide from the Triple Point to 1100 K and up to 200 MPa
Journal of physical and chemical reference data, 2016Co-Authors: Marcia L. Huber, Marc J. Assael, E.a. Sykioti, Richard A. PerkinsAbstract:This paper contains new, representative reference equations for the Thermal Conductivity of carbon dioxide. The equations are based in part upon a body of experimental data that has been critically assessed for internal consistency and for agreement with theory whenever possible. In the case of the dilute-Gas Thermal Conductivity, we incorporated recent theoretical calculations to extend the temperature range of the experimental data. Moreover, in the critical region, the experimentally observed enhancement of the Thermal Conductivity is well represented by theoretically based equations containing just one adjustable parameter. The correlation is applicable for the temperature range from the triple point to 1100 K and pressures up to 200 MPa. The overall uncertainty (at the 95% confidence level) of the proposed correlation varies depending on the state point from a low of 1% at very low pressures below 0.1 MPa between 300 and 700 K, to 5% at the higher pressures of the range of validity.
-
Reference Correlations of the Thermal Conductivity of Cyclopentane, iso-Pentane, and n-Pentane
Journal of Physical and Chemical Reference Data, 2015Co-Authors: Cristina M. Vassiliou, Marcia L. Huber, Marc J. Assael, Richard A. PerkinsAbstract:New, wide-range reference equations for the Thermal Conductivity of cyclopentane, iso-pentane, and n-pentane are presented. The equations are based in part upon a body of experimental data that has been critically assessed for internal consistency and for agreement with theory whenever possible. In the case of the dilute-Gas Thermal Conductivity, a theoretically based correlation was adopted in order to extend the temperature range of the experimental data. In the critical region, the enhancement of the Thermal Conductivity is well represented by theoretically based equations containing just one adjustable parameter, estimated by a predictive scheme. The Thermal-Conductivity equations behave in a physically reasonable manner over a wide range of conditions that correspond to the range of validity of the most accurate equations of state for each fluid. The estimated uncertainties of the correlations are dependent on the availability of accurate experimental data for validation, and are different for each f...
-
Reference Correlations of the Thermal Conductivity of Cyclopentane, iso-Pentane, and n-Pentane
Journal of Physical and Chemical Reference Data, 2015Co-Authors: Cristina M. Vassiliou, Marcia L. Huber, Marc J. Assael, Richard A. PerkinsAbstract:New, wide-range reference equations for the Thermal Conductivity of cyclopentane, iso-pentane, and n-pentane are presented. The equations are based in part upon a body of experimental data that has been critically assessed for internal consistency and for agreement with theory whenever possible. In the case of the dilute-Gas Thermal Conductivity, a theoretically based correlation was adopted in order to extend the temperature range of the experimental data. In the critical region, the enhancement of the Thermal Conductivity is well represented by theoretically based equations containing just one adjustable parameter, estimated by a predictive scheme. The Thermal-Conductivity equations behave in a physically reasonable manner over a wide range of conditions that correspond to the range of validity of the most accurate equations of state for each fluid. The estimated uncertainties of the correlations are dependent on the availability of accurate experimental data for validation, and are different for each fluid, varying from 1% (at the 95% confidence level) for the liquid phase of iso-pentane over the temperature range 307 K
-
Reference Correlation of the Thermal Conductivity of Toluene from the Triple Point to 1000 K and up to 1000 MPa
Journal of Physical and Chemical Reference Data, 2013Co-Authors: Marc J. Assael, Marcia L. Huber, S. K. Mylona, Richard A. PerkinsAbstract:This paper contains new, representative reference equations for the Thermal Conductivity of n-hexane. The equations are based in part upon a body of experimental data that has been critically assessed for internal consistency and for agreement with theory whenever possible. In the case of the dilute-Gas Thermal Conductivity, a theoretically based correlation was adopted in order to extend the temperature range of the experimental data. Moreover, in the critical region, the experimentally observed enhancement of the Thermal Conductivity is well represented by theoretically based equations containing just one adjustable parameter. The correlations are applicable for the temperature range from the triple point to 600 K and pressures up to 500 MPa. The overall uncertainty (considered to be estimates of a combined expanded uncertainty with a coverage factor of 2) of the proposed correlation is estimated, for pressures less than 500 MPa and temperatures less than 600 K, to be less than 6%.
-
ReferenceCorrelationoftheThermalConductivityofn-HeptanefromtheTriple Point to 600 K and up to 250 MPa
2013Co-Authors: Marc J. Assael, R. A. Perkins, Marcia L. Huber, S. K. Mylona, V. VesovicAbstract:This paper contains new, representative reference equations for the Thermal Conductivity of n-heptane. The equations are based in part upon a body of experimental data that have been critically assessed for internal consistency and for agreement with theory whenever possible.Inthecase ofthedilute-Gas Thermal Conductivity,atheoretically based correlation was adopted in order to extend the temperature range of the experimental data. Moreover, inthecriticalregion,theexperimentally observedenhancementoftheThermalConductivity is well represented by theoretically based equations containing just one adjustable parameter. The correlations are applicable for the temperature range from the triple point to 600 K and pressures up to 250 MPa. The overall uncertainty (considered to be estimates of a combined expanded uncertainty with a coverage factor of 2) of the proposed correlation is estimated, for pressures less than 250 MPa and temperatures less than 600 K, to be less than 4%. 2013 by the U.S. Secretary of Commerce on behalf of the
Bo Yuan - One of the best experts on this subject based on the ideXlab platform.
-
heat insulation properties of silica aerogel glass fiber composites fabricated by press forming
Materials Letters, 2012Co-Authors: Bo Yuan, Shuqiang Ding, Dongdong Wang, Gang Wang, Hongxia LiAbstract:Abstract Silica aerogel/glass fiber composites were fabricated by press forming of silica aerogel powders and dispersed glass fibers. Due to the nano porous structure, silica aerogel showed low Gas Thermal Conductivity and solid Thermal Conductivity. By adding the glass fibers, the strength of the composites was improved but the heat insulation property was deteriorated. The Thermal conductivities of the composites with 20 wt.% glass fibers at 300 °C and 600 °C were 0.025 W/(m K) and 0.030 W/(m K), respectively. As opacifier, the addition of TiO 2 decreased the radiative Thermal Conductivity abruptly, especially at high temperatures. At 700 °C, it decreased from 0.041 W/(m K) to 0.030 W/(m K) after 20 wt.% TiO 2 powders were added.
-
Heat insulation properties of silica aerogel/glass fiber composites fabricated by press forming
Materials Letters, 2012Co-Authors: Bo Yuan, Shuqiang Ding, Gang Wang, Wang Dongdong, Li HongxiaAbstract:Abstract Silica aerogel/glass fiber composites were fabricated by press forming of silica aerogel powders and dispersed glass fibers. Due to the nano porous structure, silica aerogel showed low Gas Thermal Conductivity and solid Thermal Conductivity. By adding the glass fibers, the strength of the composites was improved but the heat insulation property was deteriorated. The Thermal conductivities of the composites with 20 wt.% glass fibers at 300 °C and 600 °C were 0.025 W/(m K) and 0.030 W/(m K), respectively. As opacifier, the addition of TiO 2 decreased the radiative Thermal Conductivity abruptly, especially at high temperatures. At 700 °C, it decreased from 0.041 W/(m K) to 0.030 W/(m K) after 20 wt.% TiO 2 powders were added.
Hongxia Li - One of the best experts on this subject based on the ideXlab platform.
-
heat insulation properties of silica aerogel glass fiber composites fabricated by press forming
Materials Letters, 2012Co-Authors: Bo Yuan, Shuqiang Ding, Dongdong Wang, Gang Wang, Hongxia LiAbstract:Abstract Silica aerogel/glass fiber composites were fabricated by press forming of silica aerogel powders and dispersed glass fibers. Due to the nano porous structure, silica aerogel showed low Gas Thermal Conductivity and solid Thermal Conductivity. By adding the glass fibers, the strength of the composites was improved but the heat insulation property was deteriorated. The Thermal conductivities of the composites with 20 wt.% glass fibers at 300 °C and 600 °C were 0.025 W/(m K) and 0.030 W/(m K), respectively. As opacifier, the addition of TiO 2 decreased the radiative Thermal Conductivity abruptly, especially at high temperatures. At 700 °C, it decreased from 0.041 W/(m K) to 0.030 W/(m K) after 20 wt.% TiO 2 powders were added.
