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Displaying 76 - 100 of 115

Specific Isochoric Heat Capacity Measurements for Liquid Isobutane

January 1, 2003
Author(s)
Hiroyuki Miyamoto, Hiroshi Kitajima, Noboru Kagawa, Joe W. Magee, Seizo Tsuruno, Koichi Watanabe
Experimental specific isochoric heat capacities (C v) and PρT properties for isobutane are presented that were measured with a twin-cell type adiabatic isochoric calorimeter. The measurements were obtained for temperatures from 272 to 408 K and for

Study on Isochoric Specific Heat Capacities for Liquid Methanol-Water Mixtures

November 1, 2002
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

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

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

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

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

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 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
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