Publications

Displaying 151 - 175 of 223

Isochoric Heat Capacity Measurements for Heavy Water Near the Critical Point

May 1, 2002

Author(s)

N. G. Polikhronidi, I M. Abdulagatov, Joe W. Magee, G. V. Stepanov

Isochoric heat capacity measurements of D 20 are presented as a function of temperature at fixed densities of 319.60, 398.90, 431.09 and 506.95 kg m -3. The measurements cover a range of temperatures from 551 to 671 K and pressures up to 32 Mpa. The

Halogenated Hydrocarbons and Their Mixtures: A Decade of Progress in Calorimetry

March 1, 2002

Author(s)

Joe W. Magee

An accurate knowledge of thermodynamic properties is a prerequisite to design efficient and cost-effective refrigeration systems that use halogenated hydrocarbons as working fluids. We present a review of a long-range NIST project concerning experimental

Study of Isochoric Specific Heat Capacity Measurements for Liquid Water-Methanol Mixtures

November 20, 2001

Author(s)

Hiroshi Kitajima, Hiroyuki Miyamoto, Noboru Kagawa, Joe W. Magee, Harumi Endo, Seizo Tsuruno, Koichi Watanabe

Hydrogen bonding of water (H 2O) is certain to introduce an effect of the molecular energy to the heat capacity. Due to the presence of the strong hydrogen bonding, interactions between water and methanol (CH 3OH) molecules show anomalous thermodynamic

PVTx Measurements for Water + Toluene Mixtures in the Near-Critical and Supercritical Regions

October 4, 2001

Author(s)

Emil Bazaev, Ilmutdin Abdulagatov, Joe W. Magee, Michail Rabezkii, Asbat E. Bazaev

The PVTx relationships of dilute (1 – x)water + x toluene mixtures were measured in the near-critical and supercritical regions, with a constant-volume peizometer immersed in a precision thermostat. The ITS-90 temperature was measured with a 10 Ω} platinum

Forum 2000: Fluid Properties for New Technologies, Connecting Virtual Design With Physical Reality

October 1, 2001

Author(s)

James C. Rainwater, Daniel G. Friend, Howard J. Hanley, Allan H. Harvey, C D. Holcomb, Arno R. Laesecke, Joe W. Magee, Chris D. Muzny

Forum 2000 was held at the 14th symposium for Thermophysical Properties, with all symposium attendees invited. The Forum addressed the present needs and prioities for thermophysical properties measurements and the challenges facing the experimental

Isochoric Heat Capacity for Toluene Near Phase Transitions and the Critical Point

October 1, 2001

Author(s)

N. G. Polikhronidi, I M. Abdulagatov, Joe W. Magee, Rabiyat G. Batyrova

New measurements of isochoric heat capacity C V for toluene near phase transitions and the critical point are presented. Measurements were made with a high-temperature, high-pressure, adiabatic calorimeter of nearly constant-volume . The inner volume of

Isochoric p-r-T Measurements on (x) CO 2 + (1-x) C 2 H 6 , xapproximately equal to} 0.25, 0.49, 0.74} From 200 to 400 K at Pressures to 35 Mpa

October 1, 2001

Author(s)

H Duarte, Joe W. Magee

The p-p-T relationships were measured for binary hydrocarbon mixtures containing carbon dioxide (CO 2) and ethane (C 2H 6). Temperatures ranged from 200 K to 400 K with pressures up to 35 MPa. Measurements of p-p-T were conducted on compressed gaseous and

Specific Heat Capacity at Constant Volume for Water, Methanol, and Their Mixtures at Temperatures from 300 K to 400 K and Pressures to 20 Mpa

October 1, 2001

Author(s)

T Kuroki, N Kagawa, H. Endo, S Tsuruno, Joe W. Magee

Specific heat capacities at constant volume (c v) of water, methanol, and their mixtures were measured with a new adiabatic calorimeter. Temperatures ranged to 20 Mpa. Densities were determined at the initial and final end points during each calorimetric

Equation of State and Thermodynamic Properties of Pure Toluene and Dilute Aqueous Toluene Solutions in the Critical and Supercritical Regions

September 9, 2001

Author(s)

Sergei B. Kiselev, James F. Ely, Ilmutdin Abdulagatov, Emil Bazaev, Joe W. Magee

In this paper, we report new PVTx measurements for water + toluene binary mixtures at 11 near-critical and supercritical isotherms T = 623, 627, 629, 631, 633, 643, 645, 647, 649, 651, and 673 K and pressures up to 39 MPa at a fixed concentration of x = 0

Specific Heat Capacity at Constant Volume for Water, Methanol and Their Mixtures at Temperatures From 300 K to 400 K and Pressures to 20 Mpa

September 1, 2001

Author(s)

T Kuroki, N Kagawa, H. Endo, S Tsuruno, Joe W. Magee

Specific heat capacities at constant volume (cv) of water, methanol and their mixtures were measured with a new adiabatic calorimeter experiment. The calorimeter is a twin-cell type whose sample and reference cells (33 cm3) and their shields are heated by

PVT Measurements for Toluene in the Near-Critical and Supercritical Regions

July 19, 2001

Author(s)

Asbat E. Bazaev, Ilmutdin Abdulagatov, Joe W. Magee, Emil Bazaev, Michail Rabezkii

The PVT relationships of toluene were measured in the near-critical and supercritical regions. Measurements were made using a constant-volume peizometer immersed in a precision thermostat. The volume of the piezometer V PT was corrected for both

Report on Forum 2000: Fluid Properties for New Technologies - Connecting Virtual Design with Physical Reality

May 14, 2001

Author(s)

James C. Rainwater, Daniel G. Friend, Howard J. Hanley, Allan H. Harvey, C D. Holcomb, Arno D. Laesecke, Joe W. Magee, Chris D. Muzny

Forum 2000, which addressed the present needs and priorities for thermophysical properties measurements, was held June 29, 2000, at the 14th Symposium for Thermophysical Properties in Boulder, Colorado. Seven distinguished experts presented overviews of

Isochoric Heat Capacity Measurements for Light and Heavy Water Near the Critical Point

January 1, 2001

Author(s)

N. G. Polikhronidi, Ilmutdin M. Abdulagatov, Joe W. Magee, G. V. Stepanov

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