History of the Laboratory

The laboratory was established in 2000 as the section of the HMTDS department. It was headed by Leonid M. Grabov (Ph.D. in Engineering sciences) from the beginning of the organization, who worked at the Institute of Engineering Thermophysics of the National Academy of Sciences of Ukraine since 1962. The laboratory is headed by Alexei I. Shmatok (Ph.D. in Engineering sciences)  since 2015.

There are 11 employees in the laboratory. There are 3 leading researchers, 3 senior researchers, 1 junior researcher in the laboratory.

3 employees have the degree of Ph.D.

There is 1 graduate student in the laboratory.

Contacts

Bulakhovskii St. 2, Kyiv, Ukraine, 03164

tel.: (044) 424-13-96 (A. Shmatok)

Fax.: (044) 424-13-96

e-mail: htplab@ukr.net

web: http / / www.htplab.kiev.ua

The main activity of the laboratory

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Theoretical and experimental studies of heat-mass exchange processes in thermal and hydrodynamic treatment of complex heterogeneous systems including ultra-dispersed are the main direction of the work. The development and implementation of new effective technologies and equipment are based on complex heat-mass exchange processes, such as heat transfer during heating and cooling, melting, dispersion, homogenizing, mixing and dilution, structuring, mass-transfer processes, molecular diffusion and others.

An effective method to control heat-mass exchange processes called discrete pulse input of energy (DPIE) method is used in many laboratory studies. The method allows to accumulate heat and potential energy in the working volume of the heterogeneous system and then to transform it into kinetic energy.

The detailed directions of the laboratory

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  1. The implementation of complex theoretical and experimental studies of physical phenomena allows to manage physical processes and to ensure optimal conditions for developing energy-efficient technologies and equipment for energy, engineering, pharmaceutical, chemical and food industries.
  2. The development of scientific approaches to obtain a new class ofprocess fluids(coolant andcooling media) which based on meso-andThe creation ofthe equipmentfor their productionusing the DPIE method.
  3. The development of scientific basis for the creation of high-performance tube heat exchangers with discrete vortex turbulators for municipal energy and industry.
  4. The research of heat and mass transfer processes in multicomponent systems and the development of sorption heat converters of new generation.
  5. The development of scientific basis for the creation of energy-efficient technologies for producing biodiesel using the DPIE method and heat pump cycle.

The description of completed and ongoing projects

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Departmental theme

1.7.1.810 “Research of heat and mass transfer processes of liquid fuels components producing to create innovative technologies for fuel emulsion production

The nature of the DPIE influence on the structural and mechanical properties of heterogeneous dispersed systems was researched. The methods for producing stable emulsions from non-polar and weak polar liquids using DPIE effect were studied. The liquid fuels with biocomponents, such as oil and ethanol, with the content of ethanol in the mixture of 30% by weight were chosen as model medium examples.

The theoretical research of the three-dimensional structure of the flow (velocity fields, pressures, energy and temperature dissipation) in the proposed model of rotary-pulsation apparatus (disc-cylinder type) was carried out. The rotary-pulsation apparatus realizes complex of physical DPIE effects. The research results allowed to see the complete hydrodynamic picture of the fluid movement, and on the basis of these parameters of hydrodynamic and thermal flow disturbances to generalize the possible dispersion mechanisms of heterogeneous systems.

1.7.1.844 Research of hydrodynamic and heat and mass transfer processes in micro- and nano-structured disperse media

The cooling properties of meso- and nanofluids on the basis of vegetable oils produced by DPIE method were investigated for the first time. The different thermo-physical properties of the fluids depend not only on the composition of vegetable oils, but also on the nature, size and dispersed particles and production methods of cooling media.

DPIE processing method allowed to increase the cooling capacity of vegetable oils in 1,1 … 2,9 times at the high temperature range (600-850 ° C).

The qualitative difference of cooling fluids based on rapeseed and soybean oils was the lack of film boiling stage, which led to increase heat removal rate and uniformity of cooling of the sample at high temperature range (600-850 ° C).

The character of a contact interaction between the structural elements of the particles and between the nanostructures and the dispersion medium was taken into account in the research. The cooling rate in xerogel methylsilicic acid fluid with a predominance of phase nanostructure contacts significantly exceeded the intensity of cooling in the silica fluid with coagulation contacts between nanoparticles.

1.7.1.852 “Development of methods for intensification of hydration, hydrolysis and extraction based on using of Discrete-Pulse Input of Energy mechanisms

The thermal diffusion method of extracting active ingredients is designed for intensification of the extraction process. The essence of the thermal diffusion method of extraction is alternating filtering through extracting the raw material layer. Flow rate of extractant is selected such as to provide a laminar flow regime in the extractant layer material. The extracting temperature is changed in the oscillating mode. The extractant alternating filtering allows to speed up the external mass transfer, and oscillating temperature extracting mode allows to speed up internal mass transfer. The effects of these parameters significantly intensify the extraction process.

The intensification of the extraction process has been implemented in the plant “Riga-1000” for the production of herbal medicines which was developed for Riga pharmaceutical factory. Furthermore, the method was used in the pilot thermal diffusion plant for BAS extraction with liquefied gases in Zhitomir Enterprise “Liktravy”.

1.7.1.860 “Theoretical and experimental researches of heat and mass transfer in technological processes using the Discrete-Pulse Input of Energy method. 

The improvement of suppository medicinal forms (MF) production using thermocontact melting and Discrete-Pulse Input of Energy method was proposed for melting, mixing, dispersing and homogenizing during the preparation of suppository medicinal forms (MF).

The use of DPIE method allowed obtaining the stable mixture of hydrophilic and hydrophobic components, improving the quality of suppository medicinal forms (MF). Furthermore, the thermocontact local melting method based on the direct contact with the heating substance was used to prevent overheating.

The technology and the plant “Termobat-M” for melting structures for the production of soft medicinal forms was developed. The documents for validation of equipment in accordance with GMP requirements were prepared.

Program target themes

1.7.1.712 “Research of heat and mass transfer with Discrete-Pulse Input of Energy into heterogeneous systems for the nanotechnologies development and implementation

The complex studies were carried out to determine the effect of physical and chemical effects on the functional properties of soft medicinal forms (SMF), including: sorption activity and the kinetic stability of the silicon and combined nanosystems. It is allowed to offer the technology to produce nanostructured multicomponent heterogeneous soft medicinal forms.

The basis of the development is the principles of the direct discrete effects of energy on the complex heterogeneous media, implemented in disk-cylinder type apparatus.

CFD-dimensional model of the flow in the apparatus was developed in co-operation with the Department of modeling of heat mass transfer processes in the energy objects and heat technologies (MHMTP).

The technical design of the new disc-cylinder apparatus for discrete-pulse input of energy was developed by the laboratory.

The dispersed systems which were researched:

– systems obtained from sol-gel processes (nanostructured sorbents, porous materials with specific thermal, optical, and other properties.)

– systems with critical concentration of the dispersed phase in the dispersion medium (multi-emulsion highly concentrated slurry systems, pastes)

– dispersed systems with critical concentration of structurant (aerosil, polymers etc.).

1.7.1.840 Research of microscale thermal processes in complex heterogeneous systems effected by Discrete-Pulse Input of Energy mechanism to develop new technologies and products

The new heat currier based on the geo-mineral aqueous concentrate with predominance of sodium salt and magnesium chloride with low corrosive influence to the metals was obtained by the DPIE method. The corrosive influence to the metals was 2-6 times lower than that of water; the temperature of crystallization was to -30 ° C, and boiling point was up to + 106 ° C.

The designed and manufactured disc-cylinder apparatus provides the DPIE method. The apparatus is used to obtain high dispersed liquid systems, which include the meso- and nanofluids. The experimental studies have shown that the cumulative influence of hydrodynamic, hydroacoustic and hydromechanical properties in heterogeneous environments was a promising method to produce superfine systems. The pressure pulsation oscillograms for different flow regimes of model environment in the disc-cylinder apparatus were received in the modernized stand for the research of hydrodynamic and hydroacoustic effects by DPIE method in heterogeneous environments.

The structure formation in “silicon dioxide – distilled water» nanofluids was researched with the help of numerical simulation and the obtained results were compared with the experimental sample of nanofluid prepared by DPIE method in the rotary-pulsating disc-cylindrical apparatus.

The range of disc-cylindrical apparatuses with DPIE method was proposed for intensification of thermal technological processes of obtaining functional products and process liquids (heat currier, cooling media for quenching, sorbents, sanitary facilities).

The stand for research of the heat transfer process through tubes with discrete vortex turbulators was designed and manufactured. Up to hundreds of experimental conditions were worked out, the simulation of processes in tubes with discrete vortex turbulators was carried out.

Shell and tube heat exchanger with discrete vortex turbulatos with a capacity of 350-400 kW was designed and manufactured. The heat transfer coefficients in 1.5-1.6 times were increased in the corrugated tubes compared with smooth tubes.

The new heat exchanger showed the effective work of the entire range of heat loads during tests. The equipment of individual heating points with the new heat exchanger allows for 20-30% reduction in the cost of their production.

Contract # 34 “The development of thermo pulsating technology and research setting for producing liquid biofuels for municipal and industrial power engineering” (The program “Biomass as fuel raw materials (Biofuel), 2007-2009.”).

The processes of heat exchange technology for producing liquid biofuels for municipal and industrial power were worked out on the lab and stand equipment. Thermo physical parameters of the treatment processes during the production of liquid biofuels based on vegetable oils and alcohols were determined.

The thermo pulsating technology for producing liquid biofuels based on the heat exchange research and simulation of hydrodynamic processes in the input energy in heterogeneous systems was suggested.

Contract # 29 “Intensification of heat and mass transfer processes for producing liquid fuel blends by directional discrete energy impact” (The Program “Biomass as fuel raw materials (Biofuels), 2010-2012.”).

The research of heat transfer processes for producing liquid biofuel mixtures using the principles of Discrete-Pulse Input of Energy was carried out in the laboratory and on stand equipment. Thermo physical parameters of the production processes of liquid biofuel blends were determined. The production modes of liquid motor and energy fuels with biocomponents were studied.

Calorific value of biofuels (bioethanol and biodiesel), and their mixtures was experimentally measured and compared with conventional fuels. The study results were generally summarized.

The innovative biofuel blends production technology with the principles of Discrete Pulse Input of Energy (DPIE) to accelerate the mass transfer and thermal processes was offered according to the research.

Technical documentation on the scientific and technical production “Station for production fuel mixtures СПБС-1000”, with a capacity of 1,000 l/h was developed. The DPIE method to intensify heat transfer processes of biofuel blends preparation is used in the equipment.

Contract #22 “The development of innovative technology and the installation of continuous action with the use of the reactor with discrete vortex turbulators for the production of liquid biofuels” (Program “Biological resources and the modern technology bio energy conversion” 2013-2017.).

The new experimental rotary-pulsation apparatus LDCD-750 for homogenization and dispersion of suspensions and emulsions, as well as to intensification of the physical and chemical processes during the production of liquid biofuels was designed and manufactured.

A new stand for the study of thermal technological processes for production liquid motor biofuels was created. The experimental regimes of stand equipment for the study of heat transfer processes for producing liquid biofuels were worked out. Experimental tests for determining the thermo-kinetic regularities of transesterification process of vegetable oils with methanol and alkaline catalysts were carried out.

The effect of different factors on the process kinetics (the effect of temperature, the materials and a catalyst, the effect of the intensity of the hydrodynamic processing of the reaction mixture) was determined experimentally.

The results will be used to look for the intensification methods of liquid biofuels production and energy-efficient way of feedstock bio energy conversion and development on their basis a pilot plant for the production of liquid biofuels.

NAS of Ukraine – Siberian Branch of Russian Academy of Sciences joint research project

Contract № 04-08-12 «The research of heat and mass transfer in multicomponent systems for the development of a new generation sorption heat converters.”

The analytical and experimental research of heat and mass transfer in sorption converters was carried out. The experimental models of adsorbers using new sorption materials created in SB RAS were worked out in the Lab.

The parameters of working cycles of sorption thermo transformers and the data for the synthesis of energy-efficient adsorbents for sorption heat converters were determined based on the analysis of efficiency of energy resources used in the industry and thermal heat capacity of the various installations that generate heat.

The obtained data are the basis for the development of a new generation adsorption heat inverter, which creation will contribute to more efficient use of energy resources and attract the secondary and renewable energy sources in the energy section.

The existing models of absorption heat converters (AHC) were examined and the concept and design of a new generation adsorption unit was developed. The experimental model of AHC was tested and the actual energy performance during the adsorption cycle was examined.

The recommendations for the use of AHC in industry and agriculture were given, and the data for AHC calculation and design were formulated. The technological schemes of AHC implementation to the heat and cold systems were presented as a result.

Commercial offer

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The laboratory is open to all forms of cooperation wit for developing and manufacture scientific and technical products is created as a result of the research. The scientific and technical products are integrated in the pharmaceutical and processing enterprises in Ukraine and abroad. Samples of the developed equipment are presented on the site: http//www.htplab.kiev.ua.

We are interested in joint development and implementation of projects in the following areas:

  • The research to obtain new scientific and applied knowledge in the field of hygrothermal and hydrodynamic processes, the creation of new competitive heat and mass transfer equipment.

The obtained research results of scientific works:

– “Development of accelerated heat technology and equipment for the production of soft dosage forms in the pharmaceutical industry and pharmacies.”

– “Creation of resource-saving technology and a range of hygrothermal equipment for the dehydration of thermolabile substances in pharmacy and processing industry.”

– “Research of the processes of energy input in the system “solid-liquid”.

  • The study of heat and mass transfer in the production of multicomponent preparations, the creation of thermal diffusion equipment for the pharmaceutical, food and chemical industries.
  • The study of energy input processes in the system “solid-liquid” with the optimization of heat and mass transfer equipment.
  • The study of heat exchange processes, the creation of technology and technical design of the biofuelproduction line.
  • Creation of technology for obtaining a new class of coolants (meso and nanofluids) and equipment for using new coolants.
  • The study of heat and mass transfer processes in multicomponent systems and the development of new generation sorption converters of heat.
  • Creation of energy-efficient technologies for biodiesel production using the heat pump cycle and a reactor with discrete vortex turbulators.
  • Methods of intensification of technological processes and equipment for their implementation.

Scientific, technical and technological developments are carried out for the production of new forms and types of products of various industries:

– medical, pharmaceutical, chemical and microbiological preparations;

– natural plant extracts, phytopreparations and biologically active products;

– soluble and structured proteins, feed and food products of vegetable (animal) origin;

–  new class of coolants;

– efficient tube-based heat exchangers with discrete vortex turbulators.

Major publications of the lab

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  1. Dolyinsky A.A., Grabov L.N., Grabova T.L. Thermophysical methods for the creation of nanostructured materials with improved properties // Journal “Industrial heat engineering”. – 2010, № 6, pp. 5-14.
  2. Patent 47397 Ukraine Method of preparation of liquid biofuels / Grabov L.M. and other; Applicant and patent holder: Grabov L.N., Merschii V.I., Shmatok O.I. – No. 10306; stated. 12.10.2009; printed Jan 25, 2010, Bul. No. 2
  3. Dolyinsky A.A., Grabov L.M., Shmatok O.I. Production of biodiesel fuel and engine fuel mixtures by the method of directional discrete-pulse effect // Journal “Industrial heat engineering”. – 2011, T. 33, No. 7, pp. 158-159.
  4. Dolinsky A.A., Grabov L.N., Grabova T.L., Pereyaslavtseva E.A. Convective drying of nanostructured materials // Materials of the IV international scientific and practical conference SETT-2011, Moscow, T. 1, 20-23.09.2011 , S. 295-304.
  5. Dolinsky A.A., Grabov L.N., Stepanova O.E. Heat exchange during heating and melting of bases for making cosmetic and pharmaceutical preparations // Journal “Industrial heat engineering”. – 2011, T. 33, No. 3, p. 12-19.
  6. Dolinsky A.A., Grabov L. M., Shmatok O.I. Intensification of heat and mass transfer processes for production of biodiesel fuel // Scientific papers of the Odessa National Academy of Food Technologies. – 2012. – Vol. 2, Issue. 41. – p. 4-7.
  7. Moskalenko A.A., Logvinenko P.N., Kobasko N.I., Grabov L.N. The DPIE System Improves the Cooling Capacity of a Canola Oil to be used as a Quenchant // Proceeding of the 16th WSeaS International Conference on Communications (Part of CSCC12), Kos Island, Greece, July 14-17, 2012, p. 490-494.
  8. Dolinsky A.A., Grabov L.N., Chalaev D.M. Development and research of recuperative heat exchanger on the basis of steam-liquid thermosyphon // Theses and reports of XIV Minsk International forum on heat and mass exchange (September 10-13). – 2012. – Vol. 2, part 1. – P. 57-60.
  9. Dolinsky A.A., Grabov L.N., Grabova T.L. DPIE method in innovative technologies and heat-mass exchange equipment // Journal “Industrial heat engineering”. – 2012. – Vol. 34, No. 3. – P. 18-30.
  10. Patent 77487 Ukraine, IPC 01j 6/00. Installation for heating and melting of viscous systems / Dolyinsky A.A. and other; Applicant and patent holder: Dolinsky A.A., Grabov L.M., Posunko D.V., Stepanova O.E. – No. 11634; stated. 08/10/2012; printed Feb 11, 2013, Bul. No. 3
  11. Dolinsky A.A., Grabov L.N., Moskalenko A.A., Grabova T.L., Logvinenko P.N. Research of the influence of the discrete energy impact on the cooling capacity of micro and nano-fluids // Journal “Industrial Heat Engineering”. – 2013. -Vol. 35, No. 1.- p.5-12.
  12. Dolinsky A.A., Grabov L.N., Chalaev D.M., Pereyaslavtseva O.O., Syl’nyagina N.B., Kovalev V.V. Development of effective heat exchangers of a new generation on the basis of tubes with discrete vortex turbulators // Journal «Power engineering and electrification». – 2013, № 4, pp. 28-33.
  13. Dolinsky A.A., Moskalenko A.A., Grabova T.L., Kobasko N.I., Logvinenko P.N. Cooling Intensity of Micro- and Nanofluids to be Used as a Quenchant for Hardening of Steel Parts and Tools // Proceedings of the 4th International Conference on Fluid Mechanics and Heat & Mass Transfer (FLUIDSHEAT ’13), Dubrovnik, Croatia, June 25-27 , 2013, pp. 88-93.
  14. Dolinsky A.A., Grabov L.N., Chalaev D.M. Sorption transformers: experience of creation and prospects of development // Journal “Industrial heat engineering”. – 2013, T. 35, No. 3, pp. 64-77.
  15. Grabov L.N., Posunko D.V. Intensification of heat and mass exchange processes for production of galenic preparations // Scientific papers of the Odessa National Academy of Food Technologies .- 2014.-T.3, vp.45. – P.66-69.
  16. Grabov L.M., Chalaev D.M., Danko I.O., Demchenko V.G., Donyak O.V. Prospects for the use of Ukrainian natural zeolites in adsorption heat converters // Journal “Industrial heat engineering”. 2014. – Vol. 36, No. 4. – P. 11-17.
  17. Grabov L.M., Chalaev D.M., Danko I.O. Adsorption heat exchanger of periodic action // Scientific papers of Odessa National Academy of Food Technologies. – 2014. – Vol. 3, no. 45. – P. 209-211.
  18. Dolinsky A.A., Grabov L. M., Shmatok O.I. High-performance bioenergy conversion technology of vegetable oils using heat recovery and discrete-pulse input of energy method (DPIE) // Materials of the scientific conference within the framework of the target complex program “Biological Resources and New Technologies of Bioenergy Conversion” Biological Resources and Newest Biotechnologies for Biofuels Production. ” – Kyiv, Phytocenter, 2014, September 9-11, 2014 – P. 235-241.
  19. Dolinsky A.A., Grabova T.L., Stepanova O.E. Creation and implementation of effective technologies and equipment for the production of medicines. Part 1 // Journal “Industrial heat engineering”, 2015, T. 37, No. 4. – P. 31-43.
  20. Dolinsky A.A., Grabov L.N., Moskalenko A.A., Grabova T.L. The Research of Cooling Intensity of Micro- and Nanofluids Obtained by the DPIE Method for the Use of a Quenchant for Hardening of Steel Parts and Tools // “Micro-and Nano-Level Processes in DPIE Technologies”: Thematic Collected Works / under. general ed. Dolinsky A.A.; IET NASU. – K.: K .: Academperiodika, 2015. – p. 276-283.
  21. Dolinsky A.A., Grabova, T.L. Application of the method of discrete-pulse input of energy for obtaining structured alcohol-containing systems // “Micro- and nano-level processes in DPIE technologies”: Thematic collection of articles / under. general ed. Dolinsky A.A.; Institute of Engineering Thermophysics, NAS of Ukraine. – K .: Academperiodika, 2015. – P. 167-173.

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