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Energy conversion in local volumes of dispersed media / Anatoliy Pavlenko, Borys Basok, Borys Davydenko. - Kielce : Wydawnictwo Politechniki Świętokrzyskiej, 2021. - 306 stron : fotografie, ilustracje, wykresy ; 24 cm.

(Monografie, Studia, Rozprawy / Politechnika Świętokrzyska, ISSN 1897-2691 ; M138)

(Inżynieria Środowiska i Energetyka / Politechnika Świętokrzyska)

Autor

Pavlenko Anatolij Mihajlovič (1963- ). Basok Boris Ivanovič Davidenko Boris Vìktorovič

Forma i typ

Książki Publikacje naukowe

Temat

Konwersja energii Przepływ Termodynamika techniczna Układ dyspersyjny Wymiana ciepła

Gatunek

Monografia

Dziedzina i ujęcie

Fizyka i astronomia Inżynieria i technika

Bibliografie, netografie przy rozdziałach.

Part 1. THEORETICAL SUBSTANTIATION OF THERMODYNAMIC INITIATION OF HE AT AND MASS TRANSFER PROCESSES CHAPTER 1. Energy conversion in emulsification processes during thermal intensification 1.1.Efficiency of energy input into a multiphase environment 1.2.Preconditions for the conversion of thermal energy into kinetic energy 1.3.Conversion of thermal energy into kinetic energy 1.4.Heat transfer with droplet surrounding medium CHAPTER 2. Dynamie effects of the homogenization process thermal initiation 2.1.Slow heating 2.2.Disturbance of metastable equilibrium with a sharp decrease in pressure 2.3.Comparison of obtained and experimental results CHAPTER 3. Dispersed phase breaking at emulsion boiling 3.1.Mutual dynamie effects of neighbouring bubbles 3.2.Mutual effect of many neighbouring particles 3.3.Energy conversion in heat and mass transfer processes in boiling emulsions 3.4.Features of the energy conversion of the boiling phase of the emulsion 3.5.Results of research 3.5.1.Theoretical research 3.5.2.Field tests Part 2. THEORETICAL SUBSTANTIATION OF MECHANICAL INITIATION OF HEAT AND MASS TRANSFER PROCESSES List of conventions CHAPTER 4. Calculating methods for researching dynamics of liquid and heat and mass transfer in rotor-pulse apparatus 4.1.Appointment, principle of operation and design features of rotary pulsation apparatus 4.2.Approximate hydrodynamic models for rotary pulsation apparatus 4.3.4.2.1. Numerical studies of fluid dynamics in cylindrical RPA obtained on the basis of approximate hydrodynamic models 4.2.2.An approximate hydrodynamic model for studying fluid dynamics in disk-type RPA 4.3.The problem of fluid dynamics in the working space of a cylindrical RPA 4.4.Features of numerical modeling of fluid dynamics and heat transfer in RPA working volume CHAPTER 5. Regularitiesofflowofliąuidin RPA 5.1.Velocity field in a fluid flow moving through the RPA working area 5.2.The flowrate of fluid passing through the working area of the apparatus 5.3.Stream function and vorticity of fluid flow in RPA working area 5.4.Pressure fields in the working area of RPA 5.5.The moment of hydrodynamic drag forces acting on the rotor from the side of a viscous fluid 5.6.Fluid flow in a rotary pulsation apparatus at the stage of its acceleration 5.7.The structure of the fluid flow in a vertical section of RPA 5.8.RPA dynamie characteristics at turbulent flow CHAPTER 6. Energy dissi pation and heat transfer in the working area of a RPA 6.1.The effect of the viscosity of processed medium on the level of heat dissipation in the working volume and on the degree of heating of processed medium 6.2.Statement and results of solving of conjugate heat transfer problem in the RPA working area 6.3.The results of solving the conjugate heat transfer problem in the RPA working area at turbulent flow of the fluid 6.4. Features of heat transfer in the working zone of RPA when processing non-Newtonian fluids 6.5. Numerical simulation of the mixing process of highly viscous fluids in a rotary pulsation apparatus CHAPTER 7. Effects of crushing dispersed particles of heterogeneous flows in RPA 7.1.Deformation and fracture mechanisms of dispersed phase particles in a heterogeneous flow 7.1.1.The influence of inertial effects in a heterogeneous flow on the proces of particie crushing 7.1.2.The effect of viscous stresses on the particie crushing process 7.1.3.Crushing of dispersed particles in a turbulent flow of a carrier medium 7.2.Calculation of the trajectories of dispersed particles in the working area of RPA 7.3.Evaluation of the dispersed composition of the emulsion after processing in RPA 7.4.The influence of structural and operational parameters of RPA on the average size of dispersed particles 7.5.The energy spent on crushing particles in RPA 7.6.The effect of crushing the dispersed phase of a highly viscous medium CHAPTER 8. Experimental researches of RPA hydraulic and thermal characteristics 8.1.Experimental stand 8.2.The methodology of experimental research 8.3.RPA hydraulic characteristics studies 8.4.The study of the temperaturę characteristics of RPA 8.5.Experimental studies of the structural and mechanical characteristics of soybean pastę CHAPTER 9. Influence of RPA construction and mode parameters on media characteristics 9.1.Comparison of the hydrodynamic and thermal modes of operation of rotary-pulsating apparatuses with different arrangement of working bodies 9.2.The influence of the width of the gaps between the working elements of RPA on the dynamie characteristics of the fluid flow and heat transfer in the working area 9.3. The influence of the number of slots in the RPA working elements on the dynamie characteristics of the fluid flow in the working area of the apparatus 9.4. The effect of the angular velocity of the rotor on the dynamie and thermal characteristics of the fluid flow in the working area of RPA CHAPTER 10. Design and technical solutions when creating RPA 10.1.RPA structural and operational parameters optimization 10.2.Rotary pulsation equipment for the production and processing of liquid dispersed media

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