N.L. Vulchanov

Institute of Cryobiology and Food Technology — BG

Engineering · Physical Sciences

9h-index407citations14works0.02yr avg
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Research Topics

Heat Transfer Mechanisms(4), Heat Transfer and Optimization(3), Nanofluid Flow and Heat Transfer(2), Fluid Dynamics and Turbulent Flows(2), Granular flow and fluidized beds(2)

Publications14 total

Performance evaluation criteria for enhanced heat transfer surfaces
International Journal of Heat and Mass Transfer·1994· 75 cited
Freeze Drying of Biomaterials for the Medical Practice
Cryobiology·1993· 8 cited
Heat transfer and friction characteristics of spirally corrugated tubes for power plant condensers—1. Experimental investigation and performance evaluation
International Journal of Heat and Mass Transfer·1991· 65 cited
Influence of the interphase mass transfer on the rate of mass transfer—1. The system ‘solid-fluid (gas)’
International Journal of Heat and Mass Transfer·1990· 14 cited
Influence of the interphase mass transfer on the rate of mass transfer—2. The system ‘gas-liquid’
International Journal of Heat and Mass Transfer·1990· 12 cited
Stabilized turbulent fluid friction and heat transfer in circular tubes with internal sand type roughness at moderate Prandtl numbers
International Journal of Heat and Mass Transfer·1989· 9 cited
Non-linear mass transfer in boundary layers—1. Asymptotic theory
International Journal of Heat and Mass Transfer·1988· 18 cited
Non-linear mass transfer in boundary layers—2. numerical investigation
International Journal of Heat and Mass Transfer·1988· 16 cited
Effect of the nonlinear mass transfer on the rate of boundary layer heat transfer
BlDok·1988
Diffusion in composite layers with automatic solution of the eigenvalue problem
International Journal of Heat and Mass Transfer·1983· 110 cited
Computational procedure for Sturm-Liouville problems
Journal of Computational Physics·1983· 75 cited
Toward the mathematical modeling of heat and mass transfer in vacuum freeze-drying
Cryobiology·1981· 5 cited
The numerical simulation of vacuum freeze drying
Cryobiology·1980
The mathematics of mass, momentum, and energy transfer in vacuum freeze-drying
Cryobiology·1979

Frequent Co-authors

Ventsislav D. Zimparov(3), Chr. Boyadjiev(2), Christo Boyadjiev(2), Tsv. Tsvetkov(2), M.D. Mikhailov(1), Müslüm Özişik(1), Mikhail D Milkhailov(1), L.B. Delov(1), D.A. Mladenov(1), Ts. Tsvetkov(1), Tsvetan D. Tsvetkov(1), Kh. B. Boiadzhiev(1)