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Relevant bibliographies by topics / Návrh čerpadla

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Dissertations / Theses

Academic literature on the topic 'Návrh čerpadla'

Author: Grafiati

Published: 28 June 2021

Last updated: 4 February 2022

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Dissertations / Theses on the topic "Návrh čerpadla"

1

Hyriak, Maroš. "Návrh šroubového čerpadla." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2015. http://www.nusl.cz/ntk/nusl-232012.

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This thesis is concerned with the topic of Pumps with crew centrifugal impeller. Thanks to the benefits such as free passage and efficiency there are many practical applications of these products. Despite this fact there is only few manufacturers dealing with them what results in lack of research and available information in the area. In order to fill the gap, this thesis aims to propose hydraulic of screw centrifugal impeller to the specified parameters. The impeller with a single moving blade will be designed for pumping heavily polluted water and hardly pumpable liquids. Blade will be balanced together with the rotor, while the emphasis will be placed on the highest free passage of impeller. The theoretical part of the thesis summarizes literature on the subject, practical part deals with the calculations and adjustments pointing to a concrete proposal. Parameters of designed hydraulics were verified using stationary calculations using MRF model in FLUENT. As a results, two possible solutions are offered.

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2

Konečná, Kateřina. "Návrh pracovního bodu odstředivého čerpadla." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2008. http://www.nusl.cz/ntk/nusl-228305.

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Target of diploma thesis The Operating Point of the Centrifugal Pump was create program for analyze system of pumps, it would be an effective instrument at projection these systems. Program is divided into two parts: system characteristic and performance characteristic. Subject of this thesis is create pumps database, enter performance characteristics and succeeding working with them. Program enable regulation pump with change speed and cooperation two pumps, work in parallel or series. The result of program is project system of pumps on enter parameters with more economy work.

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3

Jašek, František. "Návrh tepelného čerpadla voda-voda." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2012. http://www.nusl.cz/ntk/nusl-230413.

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First part of my diploma thesis contains theoretical description of compressor based heat pumps, refrigeration cycle, main components of refrigeration cycle and auxiliary equipment. Second part contains the heat pump WATER-WATER desing. It will be used for heat recovery from cogeneration units in heating plants.

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4

Maléř, Pavel. "Návrh pracovního bodu odstředivého čerpadla." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2008. http://www.nusl.cz/ntk/nusl-228299.

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The diploma thesis has a target to create a computer program that will serve as help for an evaluation of the system of pumps (The Operating Point of the Centrifugal Pump). The computer program is intended above all designers, but it will find its using in the sphere of education. The main computer program has two partial programs: System characteristic and Performance characteristic. The main point of this diploma thesis is create partial computer program: system characteristic. Other target is creating the main program and finding The Operating Point of the Centrifugal Pump. Other parameters are power efficiency, flow, specific energy for pump or pumps. These parameters are important for correct and economical proposal.

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5

Bergr, Josef. "Návrh a optimalizace provozu tepelného čerpadla." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2015. http://www.nusl.cz/ntk/nusl-227156.

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The aim of the thesis "Design and optimization of the heat pump" is the project documentation for building permits, finding a suitable source of heat and cold. The problem is solved for a Tesco hypermarket. The device is designed to meet the health, performance and functional requirements for indoor climate. The task of this device is to transport fresh air into the interior cover heat losses in winter and coverage heat gains during the summer. The theoretical part deals with the problem of heat pumps. Special mention is about heat pump air x air. Calculation and design part is a specific proposal, two air conditioners and optimizing for winter. The experimental part deals with the processing of data on existing rooftop units.

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6

Stareček, Jakub. "Návrh axiálního čerpadla pro zadané parametry." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2015. http://www.nusl.cz/ntk/nusl-232102.

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This master's thesis contains basic hydraulic calculations, design and optimalization of both the rotor and stator part of the axial pump. There is also included an analysis of the principle and function of hydrodynamic axial pumps. The last part of this work is focusing on the strength calculations and flow simulations using CFD.

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7

Sloupenský, Zdeněk. "Návrh odstředivého čerpadla metodami diferenciální geometrie." Doctoral thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2011. http://www.nusl.cz/ntk/nusl-233958.

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This thesis deals with a new approach to the design of impeller, blade and spiral of centrifugal pump. The mathematic model of flow inside meridional section of impeller and spiral is based on the instruments of differential geometry applied to Bezier surfaces. This formerly introduced theory is more deeply developed in this thesis and the conclusions are applied to the design of centrifugal pump parts working with fluid. The main thesis output is the mathematic model and on its principles created software determined for the design of impeller, blade and spiral. The received results are exportable into one of the commonly used 3D modeling programs.

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8

Klusák, Ondřej. "Návrh induceru před oběžným kolem odstředivého čerpadla." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2012. http://www.nusl.cz/ntk/nusl-230101.

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The main objective of the thesis is to verify the hydraulic inducer designs and to determine its effect on the cavitation characteristics of the pump. To increase the suction capability and cavitation resistance, the inducer is placed in front of the impeller centrifugal pump. Its role is to protect the impeller against the cavitation. The literary part of the thesis analyzes the issue of cavitation, its origin, development and termination of the cavitation bubble with so-called implosion. Special attention is devoted to describtion of cavitation effect occuring at the hydrodynamic pumps. In the theoretical part, the author is then dealing with the general principles and so far used approaches to the inducer design. The practical part of the thesis describes the process and the derivation of own designs of cylindrical inducer. The aim of the used, unconventional approaches to the inducer design is to achieve a constant pressure field and specific energy of the inducer design output. Partial variants of inducer blades design geometry are tested by the controlled calculation with CFD.

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9

Železný, Jan. "Návrh vytápění rodinného domu pomocí tepelného čerpadla." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2016. http://www.nusl.cz/ntk/nusl-254407.

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The master’s thesis contains design for heat insulation of a family house for purpose of reducing the heat loss, adding a new room and complete design of heating system. First part is introducing the house, followed by calculating the heat loss for the original building. Next step proposes the heat insulation of constructions, design for the new room and recalculating the modified heat loss including comparison with the original values. Another part is dealing with the design of the heating system, providing calculations of the power requirement and the pressure loss of underfloor heating and panel radiators. After that there was the selection of the heat pump, bivalent heat source, choice of storage tank and solution for domestic water heating. In the last part the security components were checked, drawing documentation were created and attached and the calculation of return on investment was made.

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10

Tretera, Robin. "Návrh tepelného čerpadla pro vytápění rodinného domu." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2018. http://www.nusl.cz/ntk/nusl-377038.

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This diploma thesis provides basic information about the thermal pumps and photovoltaic systems. The heat pumps are described regarding their construction and sources of low potential heat. The description of photovoltaic systems explains the main principle of transformation the solar light to electric power and possible cooperation of this systems with the heat pumps. In practical part of the thesis there is a description of the assessed building and calculation of its thermal losses. It is followed by three designs of the thermal pump systems which are supposed to replace the original way of heating - the electric boiler. One of the designs is supported by photovoltaic system. The final part of the thesis provides the calculation of required heat sources for house and water heating, the operation expanses of all three heat pump designs, prices of electric energy and economical reliability of described solutions.

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