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Your search keyword '"Twisted tubes"' showing total 10 results
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10 results on '"Twisted tubes"'

4. Heat transfer and fluid friction in bundles of twisted tubes

Author

G. A. Dreitser and B. V. Dzyubenko

Subjects
Dynamic scraped surface heat exchanger, animal structures, Materials science, Physics::Instrumentation and Detectors, Mechanical Engineering, General Chemical Engineering, General Engineering, Plate heat exchanger, Thermodynamics, Heat transfer coefficient, Condensed Matter Physics, Heat exchanger, Heat transfer, Micro heat exchanger, Plate fin heat exchanger, sense organs, Composite material, Shell and tube heat exchanger
Abstract

The results of heat-transfer and friction studies in bundles of twisted tubes and rods with spiral wire-wrap spacers are analyzed, and recommendations are given for calculating the heat-transfer coefficient in heat exchangers using twisted tubes.

Published
1986
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5. Nonstationary heat and mass transfer with a reduction of the heat load in a heat exchanger with twisted tubes

Author

B. V. Dzyubenko, L. A. Ashmantas, A. B. Baggdonavichyus, and M. D. Segal

Subjects
Thermal efficiency, Materials science, Mechanical Engineering, General Chemical Engineering, General Engineering, Plate heat exchanger, Thermodynamics, Heat transfer coefficient, Condensed Matter Physics, Thermal diffusivity, Heat transfer, Heat spreader, Heat exchanger, Shell and tube heat exchanger
Abstract

The results of an investigation of the nonstationary mixing of the heat-transfer agent accompanying the reduction of the heat load in a bundle of twisted tubes are presented, and a generalizing dependence for calculating the effective coefficient of diffusion is derived.

Published
1988
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6. Effect of flow-twisting intensity on the mixing of a heat-transfer agent in bundles of twisted tubes

Author

V. N. Stetsyuk and B. V. Dzyubenko

Subjects
Materials science, Mechanical Engineering, General Chemical Engineering, General Engineering, Thermodynamics, Mechanics, Condensed Matter Physics, Space (mathematics), Flow (mathematics), Heat transfer, Heat exchanger, Physics::Atomic Physics, Intensity (heat transfer), Mixing (physics), Shell and tube heat exchanger
Abstract

Methods of mathematical statistics are used to generalize results obtained in studying the interchannel mixing of a heat-transfer agent in the intertube space of a heat exchanger with twisted tubes.

Published
1988
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9. Drag in a heat exchanger with a twisted flow

Author

B. V. Dzyubenko

Subjects
Physics::Fluid Dynamics, Drag coefficient, Materials science, Flow (mathematics), Parasitic drag, Drag, Mechanical Engineering, General Chemical Engineering, Heat exchanger, General Engineering, Thermodynamics, Condensed Matter Physics
Abstract

A study was made of the effect of different parameters on the drag coefficient in longitudinal flow about bundles of twisted tubes of different profiles.

Published
1983
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10. Stirring the heat carrier in a heat exchanger by twisting the stream

Author

B. V. Dzubenko, L. A. Ashmantas, and Yu. V. Vilemas

Subjects
Materials science, Mechanical Engineering, General Chemical Engineering, Flow (psychology), General Engineering, Plate heat exchanger, Thermodynamics, Heat transfer coefficient, Mechanics, Condensed Matter Physics, Heat spreader, Heat exchanger, Micro heat exchanger, Diffusion (business), Shell and tube heat exchanger
Abstract

A theoretical-experimental study was made of the effective diffusion coefficient in longitudinally streamlined helically twisted tubes with an oval profile, using as the basis a homogenized model of flow and applying the method of diffusion from linear heat sources of finite dimensions.

Published
1981
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