|
|
Optical measurement of liquid surface tension
Malá, Kateřina ; Pech, Ondřej (referee) ; Malý, Milan (advisor)
This bachelor thesis explores the topic of measuring surface tension of liquids. The theoretical section explains the basic principles as well as possibilities of application of several measuring methods. In the next part, the most suitable method is selected in terms of ease of use, accuracy and purchase cost. The pendent drop method has been found to fit these criteria. The experimental section of the thesis describes the measuring apparatus and the analytic tool used. The results comprise an analysis of the factors which may affect the measurement precision as well as a comparison of an automatic and a manual analysis, and a reference measurement that confirms the aperture as efficient at measuring surface tension of liquids.
|
|
|
Properties and application of ferrofluids
Vaverka, Jakub ; Šedivý, Dominik (referee) ; Zbavitel, Jan (advisor)
Ferrofluids are substances that can change their properties through an external magnetic field. The theoretical part of this bachelor thesis explains the nature and properties of these liquids, and how they are made. The next chapter provides concrete examples of ferrofluid use, and where it is possible to direct current research. The principal objective of the experimental part is to measure and evaluate the surface tension of two different samples of kerosene-based ferrofluids.
|
|
|
Properties and application of ferrofluids
Vaverka, Jakub ; Šedivý, Dominik (referee) ; Zbavitel, Jan (advisor)
Ferrofluids are substances that can change their properties through an external magnetic field. The theoretical part of this bachelor thesis explains the nature and properties of these liquids, and how they are made. The next chapter provides concrete examples of ferrofluid use, and where it is possible to direct current research. The principal objective of the experimental part is to measure and evaluate the surface tension of two different samples of kerosene-based ferrofluids.
|
|
|
Optical measurement of liquid surface tension
Malá, Kateřina ; Pech, Ondřej (referee) ; Malý, Milan (advisor)
This bachelor thesis explores the topic of measuring surface tension of liquids. The theoretical section explains the basic principles as well as possibilities of application of several measuring methods. In the next part, the most suitable method is selected in terms of ease of use, accuracy and purchase cost. The pendent drop method has been found to fit these criteria. The experimental section of the thesis describes the measuring apparatus and the analytic tool used. The results comprise an analysis of the factors which may affect the measurement precision as well as a comparison of an automatic and a manual analysis, and a reference measurement that confirms the aperture as efficient at measuring surface tension of liquids.
|
guest ::
