Publications

Displaying 76 - 100 of 109

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

Molar Heat Capacity Cv, Vapor Pressure, and (p, rho,T) Measurements From 92 to 350 K at Pressures to 35 Mpa and a New Equation of State for Chlorotrifluoromethane (R13)

January 1, 2001

Author(s)

Joe W. Magee, Stephanie L. Outcalt, James F. Ely

Measurements of the molar heat capacity at constant volume C v for chlorotrifluoromethane (R13) were conducted using an adiabatic method. Temperatures ranged from 95 to 338 K, and pressures were as high as 35 Mpa. Measurements of vapor pressure were made

Crossover SAFT Equation of State and Thermodynamic Properties of Propan-1-ol

November 1, 2000

Author(s)

S B. Kiselev, J F. Ely, Ilmutdin Abdulagatov, Joe W. Magee

Isochoric Heat Capacity Measurements for 2,2-Dichloro-1,1,1-Trifluoroethane (R123) at Temperatures from 167 to 341 K and 1-Chloro-1,2,2,2-Tetrafluoroethane (R124) from 94 to 341 K at Pressures to 35 MPa

November 1, 2000

Author(s)

Joe W. Magee

Isochoric P-r-T Measurements for 2,2-Dichloro-1,1,1-Trifluoroethane (R123) at Temperatures from 176 to 380 K and 1-Chloro-1,2,2,2-Tetrafluorethane (R124) from 104 to 400 K at Pressures to 35 Mpa

November 1, 2000

Author(s)

Joe W. Magee

The p-p-T relationships were measured for 2,2-dichloro-1,1,1-trifluoroethane (R123) and 1-chloro-1,2,2,2-tetrafluoroethane (R124) by an isochoric method with gravimetric determinations of the amount of substance. Temperatures ranged from 176 to 380 K for

Molar Heat Capacity at Constant Volume of Trifluoromethane (R23) From the Triple-Point Temperature to 342 K at Pressures to 33 Mpa

November 1, 2000

Author(s)

Joe W. Magee, H Duarte

Molar heat capacities at constant volume (C v) of trifluoromethane (R23) have been measured with an adiabatic calorimeter. Temperatures ranged from the triple point to 342 K, and pressures up to 33.5 Mpa. Measurements were conducted on the liquid in

Thermophysical Properties of Mixtures of Natural Gas Components: A Bibliography of Experimental Data

October 1, 2000

Author(s)

Dwain E. Diller, Joe W. Magee

A bibliography was prepared consisting of references to experimental data for thermophysical properties of mixtures of natural gas components. The bibliography is based on a search of Chemical Abstracts citations from January 1980 to May 1998. The search

Isochoric p-rho-T Measurements for Binary Refrigerant Mixtures Containing Difluoromethane (R32), Pentafluoroethane (R125), 1,1,1,2-Tetrafluoroethane (R134a), and 1,1,1-Trifluoroethane (R143a) from 200 to 400 K at Pressures to 35 Mpa

January 1, 2000

Author(s)

Joe W. Magee, William M. Haynes

The p-p-T relationships were measured for binary refrigerant mixtures by an isochoric method with gravimetric determinations of the amount of substance. Temperatures ranged from 200 to 400 K, while pressures extended up to 35 MPa. Measurements were

Thermophysical Properties of Natural Refrigerants

September 1, 1999

Author(s)

Joe W. Magee

Natural refrigerants are candidates to replace halogenated hydrocarbons as working fluids in refrigeration systems. This class of substances is loosely defined to include carbon dioxide, ammonia, water, air, nitrogen, hydrogen, helium, light hydrocarbons

Isochoric p, rho, T and Heat Capacity Cv Measurements on Mixtures on XC3H8 + (1-x) I-C4H10, x 0.7, 0.3) from 200 to 400 K at Pressures to 35 Mpa

August 1, 1999

Author(s)

H Duarte, Joe W. Magee

The p-p-T relationships and constant volume heat capacity C v were measured for binary hydrocarbon mixtures containing propane (C 3H 8) and isobutane (I-C 4H 10). Temperatures ranged from 2000 K to 400 Kfor p-p-T and from 203 K to 342 K for C v with

Isochoric Heat Capacity Measurements for Binary Refrigerant Mixtures Containing Difluoromethane (R32), Pentafluoroethane (R125), 1,1,1,2-Tetrafluoroethane (R134a), and Trifluoroethane (R143a) From 200 to 345 K at Pressures ato 35 Mpa

June 1, 1999

Author(s)

Joe W. Magee

Molar heat capacities at constant volume C v were measured for binary refrigerant mixtures with an adiabatic colorimeter with gravimetric determinations of the amount of substance. Temperatures ranged from 200 to 345 K, while pressures extended up to 35

Isochoric p-rho-T and Heat Capacity Cv Measurements for Ternary Refrigerant Mixtures Containing Difluoromethane (R32), Pentafluoroethane (R125), and 1,1,1,2-Tetrafluoroethane (R134a) From 200 to 400 at Pressures to 35 MPa

June 1, 1999

Author(s)

Joe W. Magee

The p-p-T relationships and constant volume heat capacity C υ were measured fro ternary refrigerant mixtures by isochoric methods with gravimetric determinations of the amount of substance. Temperatures ranged from 200 to 400 K for p-p-T and from 203 to