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LARKIN

Figure Bl.27.6. A calorimeter for enthalpies of mixing in the absence of a vapour space. (Reproduced with pennission from Larkin J A and McGlashan ML 1961 J. Chem. Soc. 3245.)... Figure Bl.27.6. A calorimeter for enthalpies of mixing in the absence of a vapour space. (Reproduced with pennission from Larkin J A and McGlashan ML 1961 J. Chem. Soc. 3245.)...
L. Lowes and M. J. Larkin, IChemE Symposium Series No. 26, Institute of Chemical Engineers, London, 1967, p. 111. [Pg.84]

Pressure Drop Some models regard trickle bed flow as analogous to gas/liquia flow in pipe lines. Various flow regimes may exist like those typified in Fig. 23-25/ but in a vertical direction. The two-phase APcl is related to the pressure drops of the individual phases on the assumptions that they are flowing alone. The relation proposed by Larkin et al. (AJChE Journal, 7, 231 [1961]) is APaj 5.0784... [Pg.2121]

The exact solution of the instanton equation in the large ohmic friction limit has been found by Larkin and Ovchinnikov [1984] for the cubic parabola (3.18). At T = 0... [Pg.84]

Larkins et al. (L2) visually observed flow patterns and measured pressure drop and liquid holdup for cocurrent downflow of gas and liquid through beds of spheres, cylinders, and Raschig rings of diameters from 3 mm to f in. in experimental columns of 2- and 4-in. diameter, as well as in a commercial unit several feet in diameter. The fluid media were air, carbon dioxide, or natural gas and water, water containing methylcellulose, water containing soap, ethylene glycol, kerosene, lubricating oil, or hexane. [Pg.101]

Weekman and Myers (W2) examined the fluid-flow characteristics of cocurrent downward flow of gas and liquid. The pulsing effect first noted by Larkins et al. was also observed in this work. Pressure-drop data could be correlated satisfactorily by a relation similar to those used for two-phase flow in pipes. Surface-active agents were observed to have a pronounced influence upon flow regime transition and pressure drop. [Pg.102]


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See also in sourсe #XX -- [ Pg.170 ]

See also in sourсe #XX -- [ Pg.26 ]




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