National Repository of Grey Literature 7 records found  Search took 0.00 seconds. 
Study of thermal properties of selected coloids
Křivánková, Kateřina ; Krouská, Jitka (referee) ; Zmeškal, Oldřich (advisor)
The bachelor thesis is focused on the study of the thermal properties of colloidal systems, especially the properties of emulsions (water, oil), which can be used in the cosmetic industry as an essential component of various lotions and creams and in the food industry. In the introduction the first defined thermo-physical processes (conduction, convection and radiation) and temperature measurement (stationary, transient). Furthermore defined physical parameters (heat and thermal conductivity, heat capacity), that are determined using transient methods. The measured data were collected and analyzed by using the EMA (Electrical Measurement Analyser) and the HarFA (Harmonic and Fractal Image Analyser). The results will be used to determine the optimum conditions for the production of cosmetics and dietary supplements.
Study of thermal properties of phase change materials
Křivánková, Kateřina ; Krouská, Jitka (referee) ; Zmeškal, Oldřich (advisor)
The diploma thesis studies the thermal properties of materials, heat storage based on phase transformation. The aim of this study was to measure the thermal properties of materials using a heat accumulation phase transformation, particularly a commercial material available from the Phase Change Material Products Ltd. under the name PlusICE A118. Such materials are referred to as PCM (from Eng. Phase Change Material), and are used for instance as heat insulators in construction. First described the phase transformation of substances in general, then was defined accumulation of thermal energy. We have also described methods for determining the temperature (thermal analysis, stationary and transietní methods). Finally defined thermophysical parameters (thermal capacity, thermal conductivity, thermal conductivity), which were determined transient step method.
Využití merlíku chilského - quinoa (Chenopodium quinoa Willd.) v potravinářství
Křivánková, Kateřina
Bachelor thesis "The use of chilean merlot - quinoa (Chenopodium quinoa Wild) in food industry" deals about its history, cultivating, variety and contained substances. Next, there are described diverse ways of using quinoa in food industry and its positive effects at health. Thanks to the high nutritious value, quinoa is called superfood, which NASA investigate as a suitable food for astronauts. Bitter saponins also contained in seeds make problems, they are needed to be removed before using. Quinoa comes from the South America, but it is possible to grow it in the Czech Republic, too. The most suitable is the Danish variety TITICACA. In a practical part of this thesis, the research of market in shops of „health nutrition“ is evaluated. It has been accomplished by means of questionnaires, which were filled by owners of inquired salesrooms. There are offered red, white and black seeds in a market. The white seeds are the most salable. It is possible also to buy flakes, flour and next products containing quinoa.
Study of thermal properties of phase change materials
Křivánková, Kateřina ; Krouská, Jitka (referee) ; Zmeškal, Oldřich (advisor)
The diploma thesis studies the thermal properties of materials, heat storage based on phase transformation. The aim of this study was to measure the thermal properties of materials using a heat accumulation phase transformation, particularly a commercial material available from the Phase Change Material Products Ltd. under the name PlusICE A118. Such materials are referred to as PCM (from Eng. Phase Change Material), and are used for instance as heat insulators in construction. First described the phase transformation of substances in general, then was defined accumulation of thermal energy. We have also described methods for determining the temperature (thermal analysis, stationary and transietní methods). Finally defined thermophysical parameters (thermal capacity, thermal conductivity, thermal conductivity), which were determined transient step method.
Study of thermal properties of selected coloids
Křivánková, Kateřina ; Krouská, Jitka (referee) ; Zmeškal, Oldřich (advisor)
The bachelor thesis is focused on the study of the thermal properties of colloidal systems, especially the properties of emulsions (water, oil), which can be used in the cosmetic industry as an essential component of various lotions and creams and in the food industry. In the introduction the first defined thermo-physical processes (conduction, convection and radiation) and temperature measurement (stationary, transient). Furthermore defined physical parameters (heat and thermal conductivity, heat capacity), that are determined using transient methods. The measured data were collected and analyzed by using the EMA (Electrical Measurement Analyser) and the HarFA (Harmonic and Fractal Image Analyser). The results will be used to determine the optimum conditions for the production of cosmetics and dietary supplements.

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2 Křivánková, Klára
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