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Heat exchanger with a combined condensation
Janovský, Jakub ; Kořista, Milan (referee) ; Pospíšil, Jiří (advisor)
The diploma thesis named Heat exchanger with a combined condensation deals with design of the heat exchanger with a combined condensation. The first part is a brief research about direct-contact heat exchangers. The next part describes physical principles of direct-contact heat transfer mechanisms and a method of calculation is proposed. After that the bundle with basic dimension of heat exchanger is designed. The mixing chamber is designed based on these dimension. Technical documentation of a heat exchanger with combined condensation is an integral part of the thesis.
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Thermal recovery of waste
Janovský, Jakub ; Hrnčířová, Michaela (referee) ; Kracík, Petr (advisor)
The bachelor’s thesis deals with waste to energy topic. The first part describes methods of waste utilization their advantages and disadvantages. The second part describes waste to energy. Legislation defining waste to energy in the Czech Republic is described in the third part.
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Heat exchanger with a combined condensation
Janovský, Jakub ; Kořista, Milan (referee) ; Pospíšil, Jiří (advisor)
The diploma thesis named Heat exchanger with a combined condensation deals with design of the heat exchanger with a combined condensation. The first part is a brief research about direct-contact heat exchangers. The next part describes physical principles of direct-contact heat transfer mechanisms and a method of calculation is proposed. After that the bundle with basic dimension of heat exchanger is designed. The mixing chamber is designed based on these dimension. Technical documentation of a heat exchanger with combined condensation is an integral part of the thesis.
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Závislost obsahu vybraných kovů na množství a kvalitě organické hmoty v půdě
Janovský, Jakub
The aim of the experiment was to assess the dependence of selected metals (Fe, Cu, Zn, Mn, Ni and Pb) for the quantity of organic matter and its quality on arable land. Soil sampling was conducted in Starý Hrozenkov and Žítková, located in the White Carpathians. Soil samples were collected during the growing season of 2012, on a monthly basis (April to October) from a depth of 0-30 cm. To determine the content of available metals by AAS, soil samples were extracted with 2M HNO3. Determination of the amounts of soil organic matter was performed by an oxidometric method (Cox), for determining the monitored fractions of soil organic matter (humic substances, humic and fulvic acids) was used the method of short fractionation. The results of analyzes of soil samples revealed that the supply of all monitored metals was in Žítková lower than in Starý Hrozenkov. Like the metal was also the quantity of each fractions of soil organic matter at the site Žítková lower than in the soil Starý Hrozenkov. In both localities were found a positive correlation between Cox and almost all the monitored elements. In soil in Žítková was found medium strong dependence metals (r = 0.4339 to 0.6675) on the content of humic substances in soil and medium dependence Zn, Cu and Fe on fulvic acids. In the Starý Hrozenkov was medium dependence Pb, Ni and Mn on humic acids and medium strong dependence Fe on fulvic acids (r = 0.4459).
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Thermal recovery of waste
Janovský, Jakub ; Hrnčířová, Michaela (referee) ; Kracík, Petr (advisor)
The bachelor’s thesis deals with waste to energy topic. The first part describes methods of waste utilization their advantages and disadvantages. The second part describes waste to energy. Legislation defining waste to energy in the Czech Republic is described in the third part.
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