Theme: Application <strong>of</strong> PIV <strong>for</strong> Visualization <strong>of</strong> Heat Flows Through Fibrous Structures-Supervisor: assoc. pr<strong>of</strong>. Rajesh MishraSupervisor specialist: pr<strong>of</strong>. Ing. Jiří Militký, CSc.Contact email <strong>for</strong> more <strong>in</strong><strong>for</strong>mation: rajesh.mishra@tul.cz, jiri.militky@tul.czThe Particle Image Velocimetry (PIV) pr<strong>in</strong>ciple, measurement <strong>in</strong> the wide range <strong>of</strong> flow speeds, The basiccondition <strong>for</strong> the successful measurements, property <strong>of</strong> the exam<strong>in</strong>ed medium, cont<strong>in</strong>uity <strong>of</strong> the laser lightand the possibility <strong>of</strong> current sens<strong>in</strong>g camera, perpendicular optical approach to the measurement area, thetransparency <strong>of</strong> the measured fluid and entra<strong>in</strong>ed particles, The basic build<strong>in</strong>g block <strong>of</strong> the measur<strong>in</strong>gsystem, laser PIV system Dantec Dynamics, current distribution <strong>of</strong> velocities <strong>in</strong> two-dimensional array <strong>in</strong> aflow<strong>in</strong>g fluid, The motion <strong>of</strong> the fluid, visualization <strong>of</strong> the seed<strong>in</strong>g particles added to the flow, particlesmovement <strong>in</strong> selected planar light cut, laser and optical system components, media sensitive to light, suchas photographic film or a CCD camera detector, fundamental equations express<strong>in</strong>g <strong>of</strong> the relationshipbetween speed, distance and time, displacement <strong>of</strong> particles entra<strong>in</strong>ed fluid flow<strong>in</strong>g <strong>in</strong> a def<strong>in</strong>ed time <strong>in</strong>tervalbetween two laser pulses, Application to complex fibrous structures.Theme: Com<strong>for</strong>t <strong>of</strong> Protective Fabrics at Extreme Temperature ConditionsSupervisor: assoc. pr<strong>of</strong>. Rajesh MishraSupervisor specialist: pr<strong>of</strong>. Ing. Jiří Militký, CSc.Contact email <strong>for</strong> more <strong>in</strong><strong>for</strong>mation: rajesh.mishra@tul.cz, jiri.militky@tul.czEvaluation <strong>of</strong> textile structures used <strong>for</strong> thermal <strong>in</strong>sulation cloth<strong>in</strong>g, Thermal conductivity, thermal resistance,thermal diffusivity, thermal absorptivity, thermal effusivity, density and thickness. heat transfer by conductionthrough the different thickness <strong>of</strong> fabrics used as thermal <strong>in</strong>sulators especially at subzero temperatures,Evaluation <strong>of</strong> various techniques <strong>for</strong> measurement <strong>of</strong> thermal properties <strong>of</strong> fabrics, Alambeta, C-ThermThermal conductivity analyzer (TCi), Thermal response and behavior <strong>for</strong> the selected fabrics, Relationshipbetween the thermal conductivity, thermal resistance, thermal absorptivity, thermal diffusivity and thermaleffusivity with fabric density and porosity, Particle image velocimetry <strong>for</strong> thermal convection.Theme: Preparation, Characterization and Application <strong>of</strong> Nano-particles (Conductive, Antimicrobial,Flame Resistant)Supervisor: pr<strong>of</strong>. Ing. Jiří Militký, CSc.Supervisor specialst: assoc. pr<strong>of</strong>. Rajesh MishraContact email <strong>for</strong> more <strong>in</strong><strong>for</strong>mation: jiri.militky@tul.cz, rajesh.mishra@tul.czTextile wastes, pre-consumer or post-consumer textile waste, byproducts from textile, fiber-or cotton<strong>in</strong>dustries, automotive, aeronautic, home build<strong>in</strong>g, furniture, mattress, coarse yarn, home furnish<strong>in</strong>gs, paper,apparel and other applications, Utilization <strong>of</strong> textile wastes to prepare carbonaceous compounds, Microwaveassisted pyrolysis filled with conduct<strong>in</strong>g polymers and iron catalyst, Cyclic oxidation (oxidative carbonizationat 240 o C <strong>in</strong> air followed by cyclic oxidation at 400 o C, Hydrothermal carbonization process <strong>in</strong> hot compressedwater under the presence <strong>of</strong> citric acid at 200 o C or under the presence <strong>of</strong> metal ions, aliphatic dicarboxylicacid, adduct <strong>of</strong> bisphenol A, silicon based f<strong>in</strong>ish<strong>in</strong>g, Functionalization <strong>of</strong> surface <strong>of</strong> carbonaceouscompounds, Chemical oxidation by nitric acid and other oxidiz<strong>in</strong>g compounds, Low temperature atmosphericplasma with controlled oxidation, Ozonization, Nano<strong>in</strong>dentation to characterize mechanical properties,Preparation <strong>of</strong> activated carbon from carbonaceous compounds, <strong>Ph</strong>ysical activation by expos<strong>in</strong>gcarbonaceous material with oxidiz<strong>in</strong>g gases such as steam or CO 2 <strong>in</strong> temperature range <strong>of</strong> 600-1200 o C,Chemical activation by impregnation <strong>of</strong> the textile waste with chemicals such as H 3 PO 4 , KOH, ZnCl 2 , andNaOH followed by heat<strong>in</strong>g under <strong>in</strong>ert atmosphere at temperatures <strong>in</strong> the range 450-900 o C, Preparation <strong>of</strong>low cost functional carbon nanoparticles from carbonaceous compounds, Applications <strong>of</strong> carbonaceouscompounds and low cost functional carbon nanoparticles, Odor-absorbency <strong>for</strong> cigarette smell, Antistaticproperty <strong>for</strong> dust pro<strong>of</strong> cloth<strong>in</strong>g, Monitor human body from chang<strong>in</strong>g temperature, humidity, pressure <strong>in</strong> thesurround<strong>in</strong>gsTheme: Natural Fiber Based Bio-compositesSupervisor: assoc. pr<strong>of</strong>. Rajesh MishraSupervisor specialist: Ing. Blanka Tomková, <strong>Ph</strong>.D.Contact email <strong>for</strong> more <strong>in</strong><strong>for</strong>mation: rajesh.mishra@tul.cz, blanka.tomkova@tul.czThe use <strong>of</strong> natural fibres <strong>for</strong> technical composite applications, economic advantage <strong>of</strong> natural fibres,potentials <strong>of</strong> natural fibre composites, The potential usage <strong>of</strong> natural fibre based 3D woven fabrics <strong>in</strong> theTECHNICAL UNIVERSITY OF LIBEREC | Faculty <strong>of</strong> Textile Eng<strong>in</strong>eer<strong>in</strong>g | Studentská 1402/2 | 461 17 Liberec 1tel.: +420 485 353258 | www.ft.tul.cz | IČ: 467 47 885 | DIČ: CZ 467 47 885
impact protection applications, 3D woven fabrics <strong>of</strong> various structures <strong>in</strong> comparison with 2D fabrics, 3Dwoven biocomposites embedded with nanoparticles, enhancement <strong>of</strong> the tensile properties <strong>of</strong> the matrix,nan<strong>of</strong>illers <strong>in</strong> the matrix, mechanical <strong>in</strong>terlock<strong>in</strong>g <strong>in</strong> the composite system, functional characteristics <strong>of</strong> the 2D& 3D woven nanocomposites from bio resources, Surface functionalization: Surface functionality <strong>of</strong> the biomaterials, biomolecule adsorption on the surface by bottom-up nan<strong>of</strong>abrication approach, nan<strong>of</strong>abricatedsurface. Biobased Lys<strong>in</strong>e Diisocyanate, Acetylation and torrefaction (thermal treatment under evacuation at250°C), UV treatment, plasma treatment and ultrasound, most effective way <strong>for</strong> surface fuctionalization,Simulation and optimization <strong>of</strong> structure and properties, Model<strong>in</strong>g the structure with regard to its geometry <strong>for</strong>composite re<strong>in</strong><strong>for</strong>cement, Prediction <strong>of</strong> mechanical properties, Simulation <strong>of</strong> impact and fatigue per<strong>for</strong>mance,simulated <strong>for</strong> biocomposites and nanocomposites re<strong>in</strong><strong>for</strong>ced with 3D woven structures, Validation <strong>of</strong>predicted results.Theme: Multiple Criteria Evaluation <strong>of</strong> Quality and Com<strong>for</strong>tSupervisor: assoc. pr<strong>of</strong>. Rajesh MishraSupervisor specialist: pr<strong>of</strong>. Ing. Jiří Militký, CSc.Contact email <strong>for</strong> more <strong>in</strong><strong>for</strong>mation: rajesh.mishra@tul.cz, jiri.militky@tul.czQuality as the essence <strong>of</strong> bus<strong>in</strong>ess activity, global trends <strong>in</strong> perception <strong>of</strong> quality, def<strong>in</strong>ition <strong>of</strong> quality,complex quality characterization <strong>in</strong> textile material, parameters <strong>of</strong> quality evaluation, evaluation based onobjective assessment, Quality <strong>for</strong> dress materials, psycho-physical parameters, statistical treatment <strong>of</strong> dataso as to obta<strong>in</strong> a parametric weighted characterization <strong>of</strong> over all quality, Com<strong>for</strong>t quality aspects <strong>of</strong> cloth<strong>in</strong>g,<strong>Ph</strong>ysiological com<strong>for</strong>t (Heat, moisture and air transmission), <strong>Ph</strong>ysical com<strong>for</strong>t (Mechanical properties),Psychological com<strong>for</strong>t (Appearance, acceptability, fashion), Thermal Manik<strong>in</strong>s <strong>in</strong> Cloth<strong>in</strong>g Study, The totalappearance value (TAV) <strong>of</strong> a fabric, fabric design and characteristics <strong>of</strong> raw material, artistic design and/oreng<strong>in</strong>eer<strong>in</strong>g design, eng<strong>in</strong>eer<strong>in</strong>g design concerned with constructional details, Material characteristics alongwith eng<strong>in</strong>eer<strong>in</strong>g design specification, aesthetic appearance parameters, drape (mechanical properties),texture (constructional parameters), wr<strong>in</strong>kle (irregular surface de<strong>for</strong>mations) and pill<strong>in</strong>g (surface abrasion),estimation <strong>of</strong> <strong>in</strong>tegrated degree <strong>of</strong> satisfaction (DS), bootstrap type simulation <strong>for</strong> statistical characterization<strong>of</strong> DS.Theme: Development and Characterization <strong>of</strong> S<strong>in</strong>gle polymer CompositesSupervisor: Ing. Blanka Tomková, <strong>Ph</strong>.D.Supervisor specialist: assoc. pr<strong>of</strong>. Rajesh MishraContact email <strong>for</strong> more <strong>in</strong><strong>for</strong>mation: blanka.tomkova@tul.cz, rajesh.mishra@tul.czPolymer composites <strong>for</strong>med by embedd<strong>in</strong>g and orient<strong>in</strong>g fibers (polymer, glass, carbon, etc.) <strong>in</strong> athermoplastic matrix polymer, recycl<strong>in</strong>g <strong>of</strong> composites depend<strong>in</strong>g on different compositions between fiberand matrix, fiber-matrix <strong>in</strong>terface, chemical compatibility, development <strong>of</strong> s<strong>in</strong>gle-polymer composites (SPCs),<strong>in</strong>tegrat<strong>in</strong>g high strength fibers <strong>in</strong>to a matrix <strong>of</strong> the same polymer, characterization by improved adhesionquality between the matrix and the re<strong>in</strong><strong>for</strong>cement, General physical and chemical background <strong>of</strong> phenomenaaccompany<strong>in</strong>g fiber-matrix adhesion, properties <strong>of</strong> <strong>in</strong>terface, synergy effect, matrix changes under cur<strong>in</strong>gprocess, and its l<strong>in</strong>k to SPCs structure and properties, The hot compaction process, Polypropylene (PP)SPCs at different temperature and pressure, Evaluation <strong>of</strong> thermomechanical properties <strong>of</strong> the PP SPCs,Investigation <strong>of</strong> the morphology <strong>of</strong> the fibers <strong>in</strong> the SPCs, advanced microscopy techniques from real images<strong>of</strong> composite samples, Nano<strong>in</strong>dentation as a special technique to evaluate mechanical properties at thefiber-matrix <strong>in</strong>terface, Advanced mechanical test<strong>in</strong>g, Dynamic Mechanical Analysis, Sound VelocityPropagation Test, Nano<strong>in</strong>dentation, Thermal characterization, DSC Analysis, TGA Measurements, FEM <strong>for</strong>simulation <strong>of</strong> properties.Theme: Electro Conductive and EMI Shield<strong>in</strong>g Textile StructuresSupervisor: pr<strong>of</strong>. Ing. Jiří Militký, CSc.Supervisor specialist: Assoc. Pr<strong>of</strong>. Rajesh MishraContact email <strong>for</strong> more <strong>in</strong><strong>for</strong>mation: jiri.militky@tul.cz, rajesh.mishra@tul.czEMI smog, Shield<strong>in</strong>g effectiveness measurement <strong>for</strong> textiles, source <strong>of</strong> electromagnetic radiation,standardized methods <strong>for</strong> measur<strong>in</strong>g shield<strong>in</strong>g effectiveness, comparison and evaluation <strong>of</strong> shield<strong>in</strong>g <strong>of</strong>material, calculation based on correlation between electrical resistance and electromagnetic shield<strong>in</strong>g,conductive fabrics with sufficient electromagnetic shield<strong>in</strong>g efficiency, conserv<strong>in</strong>g the ma<strong>in</strong> properties, e.g.com<strong>for</strong>t properties, drape ability and process ability characteristics, Fabrics with diverse structure, differentportion and different placement <strong>of</strong> hybrid yarn conta<strong>in</strong><strong>in</strong>g extremely f<strong>in</strong>e metal fibers, Hybrid yarns <strong>for</strong>m<strong>in</strong>gTECHNICAL UNIVERSITY OF LIBEREC | Faculty <strong>of</strong> Textile Eng<strong>in</strong>eer<strong>in</strong>g | Studentská 1402/2 | 461 17 Liberec 1tel.: +420 485 353258 | www.ft.tul.cz | IČ: 467 47 885 | DIČ: CZ 467 47 885