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The system for measurement of little flow
Karásek, Eduard ; Prášek, Jan (referee) ; Adámek, Martin (advisor)
Diploma thesis solves how to create system for measurement of little liquid flows. The basic types of liquid flowmeter, which are possible used for measurement of little liquid flows, are described in the introduction part of thesis. The limit for little flow is often determined as flow 100 mg.min-1 and low. Second part of this thesis describes the ways of capillary production and practical experiments with them. Thesis is focused to thick film technology and LTCC technology. Next part of this work is solution of simple measuring unit for measurement of little flows less than 100 mg.min 1, which is controlled by microprocessor ATmega16. The measuring unit can be worked separately or can be connected to PC. The next possibility of flowmeter optimisation is summarized in end of thesis.
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Electromagnetic current meters of velocity
Březina, Jiří ; Zubík, Pavel (referee) ; Žoužela, Michal (advisor)
This bachelor thesis explains the issue of electromagnetic current meter of velocity. A survey of all available standards on these devices is carried out. Devices are described technically and metrologically. There are also described the possibilities of usage, operating conditions as well as problems of calibration of these devices. Information on available commercially available devices is provided along with a description of all relevant parameters. One selected device model is put to the test of measurement the velocity on the calibration tank of the laboratory, thus the experiences from real calibration measurement are gained and described.
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Measurement and linearization unit for flow meters
Maštera, Martin ; Macho, Tomáš (referee) ; Petyovský, Petr (advisor)
Linearization display unit will receive pulses from a gear flow meter KRACHT whose frequency corresponds to a flow. The measured value is flow that nonlinearly depends on the temperature and viscosity of the medium. The dependency is described by calibration curves for each flow meter. The task of the diploma thesis is to design, implement, and verify the operation of the display unit, which calculates the actual flow rate from the input data (pulse rate, temperature, viscosity, and flow meter calibration curves). The device will contain a suitable user interface to display all measured values, inputs for connecting measuring sensors, and outputs for transmission of measured data. A part of the device will be a USB interface for configuration and uploading calibration curves from a PC application, which is designed by diploma student.
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Design for testing device used to measure air leakage from linear pneumatic actuator
Kurillová, Katarína ; Tůma, Zdeněk (referee) ; Vetiška, Jan (advisor)
This thesis is focused on detecting air leakage in serial production of pneumatic linear actuators. Testing for air leakage is an important part of the production process in which the manufacturer ensures that the product satisfies quality requirements and works correctly. The thesis was created in collaboration with the Czech manufacturing plant of SMC Industrial Automation CZ s.r.o., which produces pneumatic actuators. Goal of the design part of the thesis is to select the most effective method for testing and finding universal principle for testing in specified conditions. The principle is then applied to design a testing device for the CQ2 cylinders. The testing device consists of three parts - pneumatic circuit, control circuit and electric circuit. Thesis conclusion contains comparison of the newly designed testing device with the device currently in use.
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Flow rate measurement
Chudý, Dávid ; Hudec, Martin (referee) ; Himr, Daniel (advisor)
The bachelor thesis systematically introduces the most frequently used flowmeters with emphasis on the source of measurement uncertainty. In the practical part, the clamp on ultrasonic flowmeter from FUJI ELECTRIC was used in laboratory flow measurement. The aim of the experiment was to determine the effect of the input value error on the resulting flow. The combined standard uncertainty for one flow was also determined, including the most significant sources of inaccuracy. These are the uncertainty of the pipe diameter measurement and the meter error specified by the manufacturer. The data measurement processing led to the conclusions as stated in the manual by the manufacturer.
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Control System for Management of Water Supply at a Farm
Doležal, Aleš ; Arm, Jakub (referee) ; Jirgl, Miroslav (advisor)
This bachelor thesis deals with installing a new system for the supply and management of water on a farm. A PLC from Unitronics company was chosen with the appropriate modules for control and operation. The PLC program has been written in the UniLogic integrated development environment from Unistronics company using ladder language. The new system is controlled and monitored locally by the HMI panel and remotely by the website. The HMI and the website were created in the UniLogic Integrated Development Environment. The thesis also deals with selecting suitable sensors and components for system regulation.
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Measurement of Water Consumption on the Supply of the WC Boarding School Building
Moštěk, Jan
The paper provides findings from research on flow measurements in the premises of the boarding school in Brno at all measurement days. The first part of the contribution describes the measurement of flows in the premises of the boarding house. The measurement was carried out in 2019 and the task was to determine the profitability of the use of rainwater for the distribution of working water for the supply of WC. In the second part of the contribution, an evaluation of the measured data on a day-by-day basis from the measured object is made. The third part of the article will discuss the evaluation results and the conclusion of the contribution is a summary by the author.
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Flow rate measurement
Chudý, Dávid ; Hudec, Martin (referee) ; Himr, Daniel (advisor)
The bachelor thesis systematically introduces the most frequently used flowmeters with emphasis on the source of measurement uncertainty. In the practical part, the clamp on ultrasonic flowmeter from FUJI ELECTRIC was used in laboratory flow measurement. The aim of the experiment was to determine the effect of the input value error on the resulting flow. The combined standard uncertainty for one flow was also determined, including the most significant sources of inaccuracy. These are the uncertainty of the pipe diameter measurement and the meter error specified by the manufacturer. The data measurement processing led to the conclusions as stated in the manual by the manufacturer.
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