Abstract
Efficiency of contact and contactless methods of heating of a fiber polymer material upon formation of adhesion compounds between its layers is analyzed. The advisability of contact heating in the preliminary stage and contactless heating in the final stage of formation of compounds is shown.
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Abbreviations
- e λ :
-
spectral density of radiation
- T :
-
temperature
- a λ :
-
spectral absorption coefficient
- \(E_{\lambda _2 - \lambda } ,E_{0 - \lambda }\) :
-
radiation density within the spectral region λ2−λ1, and 0−λ, respectively
- λ:
-
wavelength
- λmax :
-
wavelength of the maximum of black-body radiation
- E 0−∞ :
-
total density of black-body radiation
- σ:
-
the Boltzmann constant
- E ef :
-
effective radiation density
- E :
-
radiation density absorbed by the material
- X λ :
-
dimensionless coordinate
- r :
-
radius of the filament of the lamp
- h :
-
distance from the lamp to the surface of the material
- S :
-
area
- P :
-
power absorbed by the portion of the material
- T m :
-
temperature of the onset of variations in the appearance, shrinking, and melting of the material
- Q :
-
heat
- T 0 :
-
initial temperature of heating
- c :
-
specific heat capacity of the polymer
- m :
-
mass of the material being heated
- τ:
-
time of heating toT m
- y :
-
coordinate
- R :
-
thickness
- T s :
-
stabilized temperature
- Fo:
-
Fourier number
- α:
-
thermal conductivity of the material
References
S. V. Belov (ed.), Protection Means in Machinery Construction: Calculation and Design [in Russian], Moscow (1989).
L. Z. Kriksunov, Handbook on Principles of Infrared Technique [in Russian], Moscow (1978).
A. V. Luikov, Theory of Heat Conduction [in Russian], Moscow (1967).
M. A. Grigor'ev and G. V. Borisova, Fuel Purification in Internal-Combustion Engines [in Russian], Moscow (1991).
Additional information
Institute of Mechanics of Metal-Polymer Systems, Academy of Sciences of Belarus, Gomel', Belarus. Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 68, No. 3, May–June, 1995.
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Markova, L.V., Markov, E.M. & Pinchuk, L.S. Efficiency of heating methods for polymer fibers with formation of adhesion compounds. J Eng Phys Thermophys 68, 364–366 (1995). https://doi.org/10.1007/BF00859049
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DOI: https://doi.org/10.1007/BF00859049