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Design of a Vessel for Ocean Waste Collection
Šnajdr, Petr ; Paliatka, Peter (referee) ; Křenek, Ladislav (advisor)
The thesis deals with the problem of the exponentially increasing amount of plastic waste in the world's seas and oceans. The text discusses the causes of this problem and current efforts to address it, including an analysis of these efforts, on the basis of which new solutions are identified and proposed. The aim of the thesis is to design a vessel, including its operating system, that will enable the collection of floating waste from large bodies of water while being as sustainable as possible. The proposed vessel approaches the problem with a systemic solution that addresses not only the end problem but also its causes. To do this, it uses its configurable design between working and living versions. In both cases, the vessel collects floating waste through a unique system of two separable motorised floats that direct the waste to the vessel, where it is then scooped and processed by pyrolysis on board. In addition, the residential version of the vessel allows public accommodation on board, which will financially support operations while educating the community about the global problem of plastic pollution through media and experience. The operation of the vessel is as environmentally friendly and self-sufficient as possible through the use of renewable energy and semi-autonomous steering. Within this framework, an innovative device combining vertical wings propelling the vessel while integrating a rotating turbine generating electricity from wind power has been designed. The results of the work provide a systemic solution to the problem of plastic pollution in the oceans, which can not only be economically and environmentally sustainable, but also has a social impact. In addition, it offers a number of innovative technical and design solutions that can be applied in other technologies.
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Race car bonnet shape design based on flow analysis
Šnajdr, Petr ; Kvarda, Daniel (referee) ; Michalec, Michal (advisor)
The bachelor’s thesis deals with reducing aerodynamic drag of a pneumobile. The thesis summarizes knowledge in the field of vehicle aerodynamics and the principle of CFD simulations. The essence of the work is bonnet shape design of racing pneumobile Typhoon, developed at FME BUT, for lowest possible air resistance. CFD simulations are used to observe and analyse the influence of the bonnet shape on the aerodynamics properties. The designed shape solution of the bonnet significantly contributes to the reduction of aerodynamic drag compared to the existing bonnet. Thanks to this, the vehicle’s parameters are improved from maximum speed to the range. The acquired knowledge can also help in the further development of pneumobiles and in improving the setting of the computational model described in the work.
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Design of VTOL Aircraft
Šnajdr, Petr ; Sládek, Josef (referee) ; Křenek, Ladislav (advisor)
This bachelor thesis deals with a conceptual vision of VTOL aircraft design as a possible future mode of transportation. The thesis includes an analysis of currently developed machines in this category as well as a brief technical overview of the aircraft. The aim of the thesis is the design concept of a VTOL aircraft for low emission mass passenger transport. The proposed aircraft has a blended-wing configuration with a capacity of 16 passengers. The environmentally friendly fuel for emission-free operation is hydrogen gas providing a range of over 2000 km. The innovative solution of incorporating a jet propulsion system into the aircraft's construction results in a clean shape with the form of one large wing that gives the aircraft a futuristic aerodynamic appearance. Another interesting solution is the boarding of the aircraft in the form of large doors on the sides of the aircraft, which allows for a reduction in the size and thus drag of the aircraft. The resulting design not only delivers a sleek, futuristically shaped aircraft, but also the way of the vertical take-off and landing together with proposed boarding, may inspire future generations of aircraft.
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Design of VTOL Aircraft
Šnajdr, Petr ; Sládek, Josef (referee) ; Křenek, Ladislav (advisor)
This bachelor thesis deals with a conceptual vision of VTOL aircraft design as a possible future mode of transportation. The thesis includes an analysis of currently developed machines in this category as well as a brief technical overview of the aircraft. The aim of the thesis is the design concept of a VTOL aircraft for low emission mass passenger transport. The proposed aircraft has a blended-wing configuration with a capacity of 16 passengers. The environmentally friendly fuel for emission-free operation is hydrogen gas providing a range of over 2000 km. The innovative solution of incorporating a jet propulsion system into the aircraft's construction results in a clean shape with the form of one large wing that gives the aircraft a futuristic aerodynamic appearance. Another interesting solution is the boarding of the aircraft in the form of large doors on the sides of the aircraft, which allows for a reduction in the size and thus drag of the aircraft. The resulting design not only delivers a sleek, futuristically shaped aircraft, but also the way of the vertical take-off and landing together with proposed boarding, may inspire future generations of aircraft.
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Race car bonnet shape design based on flow analysis
Šnajdr, Petr ; Kvarda, Daniel (referee) ; Michalec, Michal (advisor)
The bachelor’s thesis deals with reducing aerodynamic drag of a pneumobile. The thesis summarizes knowledge in the field of vehicle aerodynamics and the principle of CFD simulations. The essence of the work is bonnet shape design of racing pneumobile Typhoon, developed at FME BUT, for lowest possible air resistance. CFD simulations are used to observe and analyse the influence of the bonnet shape on the aerodynamics properties. The designed shape solution of the bonnet significantly contributes to the reduction of aerodynamic drag compared to the existing bonnet. Thanks to this, the vehicle’s parameters are improved from maximum speed to the range. The acquired knowledge can also help in the further development of pneumobiles and in improving the setting of the computational model described in the work.
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