Discussion on “Pole-change motors using phase-mixing techniques”

doi:10.1049/piee.1963.0206

Discussion on “Pole-change motors using phase-mixing techniques”

Proceedings of the Institution of Electrical Engineers ◽

10.1049/piee.1963.0206 ◽

1963 ◽

Vol 110 (8) ◽

pp. 1479

Keyword(s):

Phase Mixing ◽

Mixing Techniques

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Single-phase two-speed pole-change motors using phase-mixing techniques

Proceedings of the Institution of Electrical Engineers ◽

10.1049/piee.1965.0194 ◽

1965 ◽

Vol 112 (6) ◽

pp. 1159 ◽

Cited By ~ 5

Author(s):

J.F. Eastham ◽

G.W. McLean

Keyword(s):

Single Phase ◽

Phase Mixing ◽

Mixing Techniques

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Pole-change motors using phase-mixing techniques

Journal of the Institution of Electrical Engineers ◽

10.1049/jiee-3.1963.0368 ◽

1963 ◽

Vol 9 (107) ◽

pp. 479-480

Author(s):

F.C. Williams ◽

J.F. Eastham ◽

L.S. Piggot

Keyword(s):

Phase Mixing ◽

Mixing Techniques

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Pole-change motors using phase-mixing techniques

Journal of the Institution of Electrical Engineers ◽

10.1049/jiee-3.1962.0299 ◽

1962 ◽

Vol 8 (94) ◽

pp. 464-466

Author(s):

J.F. Eastham ◽

E.R. Laithwaite

Keyword(s):

Phase Mixing ◽

Mixing Techniques

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Analysis and design of pole-change motors using phase-mixing techniques

Proceedings of the Institution of Electrical Engineers ◽

10.1049/piee.1964.0012 ◽

1964 ◽

Vol 111 (1) ◽

pp. 80 ◽

Cited By ~ 5

Author(s):

F.C. Williams ◽

J.F. Eastham ◽

L.S. Piggott

Keyword(s):

Phase Mixing ◽

Analysis And Design ◽

Mixing Techniques

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Pole-change motors using phase-mixing techniques

Proceedings of the IEE Part A Power Engineering ◽

10.1049/pi-a.1962.0122 ◽

1962 ◽

Vol 109 (47) ◽

pp. 397 ◽

Cited By ~ 7

Author(s):

J.F. Eastham ◽

E.R. Laithwaite

Keyword(s):

Phase Mixing ◽

Mixing Techniques

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Discussion on “Pole-change motors using phase-mixing techniques”

Proceedings of the Institution of Electrical Engineers ◽

10.1049/piee.1964.0052 ◽

1964 ◽

Vol 111 (2) ◽

pp. 321

Keyword(s):

Phase Mixing ◽

Mixing Techniques

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Discussion on “Analysis and design of pole-change motors using phase-mixing techniques” and “Commutatorless alternating-voltage-fed variable-speed motor”

Proceedings of the Institution of Electrical Engineers ◽

10.1049/piee.1964.0212 ◽

1964 ◽

Vol 111 (7) ◽

pp. 1335

Keyword(s):

Variable Speed ◽

Phase Mixing ◽

Analysis And Design ◽

Mixing Techniques ◽

Variable Speed Motor ◽

Alternating Voltage

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O2 transfer kinetics in a whole blood unicellular thin layer

Journal of Applied Physiology ◽

10.1152/jappl.1990.68.5.1854 ◽

1990 ◽

Vol 68 (5) ◽

pp. 1854-1864 ◽

Cited By ~ 13

Author(s):

E. Heidelberger ◽

R. B. Reeves

Keyword(s):

Thin Layer ◽

Fiber Optics ◽

Whole Blood ◽

Gas Flow ◽

Release Kinetics ◽

Gas Diffusion ◽

Attractive Alternative ◽

Half Time ◽

O2 Uptake ◽

Mixing Techniques

A planar monocellular layer of whole blood (WB) sandwiched between two Gore-Tex membranes is used to study O2 uptake and release kinetics at 37 degrees C. Gore-Tex, a highly gas-permeable open mesh of Teflon fibrils (78% porosity, 0.2-microns pore size, 75-microns thick), constrains WB to form a thin film without imposing an appreciable gas diffusion barrier. WB layer thickness, measured by isotope dilution, is 1.7 +/- 0.2 microns. WB films are mounted between fiber optics in a gas flow tube for dual-wavelength (536/558 nm) oxyhemoglobin saturation measurements after a step change in PO2. For isocapnic (6% CO2) step changes in PO2 between 0 and 104 Torr, WB O2 uptake half time is 10.4 +/- 0.9 ms; WB O2 release half time is 20.6 +/- 2.4 ms. Half-time values are half of those previously reported. The thin-layer method reduces erythrocyte diffusion boundary layer error and thereby offers an attractive alternative to classical rapid fluid-mixing techniques.

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