Course: Experimental Methods

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Course title Experimental Methods
Course code KTS/EXPM
Organizational form of instruction Lecture + Lesson
Level of course Master
Year of study not specified
Semester Winter
Number of ECTS credits 4
Language of instruction Czech, English
Status of course Compulsory
Form of instruction Face-to-face
Work placements Course does not contain work placement
Recommended optional programme components None
Course availability The course is available to visiting students
Lecturer(s)
  • Hotař Vlastimil, doc. Ing. Ph.D.
  • Dittrich Aleš, Ing. Ph.D., Ing.Paed.IGIP
  • Dančová Petra, doc. Ing. Ph.D.
  • Žabka Petr, Ing. Ph.D.
  • Bílek Martin, doc. Ing. Ph.D.
  • Mendřický Radomír, doc. Ing. Ph.D.
  • Valtera Jan, Ing. Ph.D.
Course content
Sensors of mechanical quantities, passive sensors, piezoresistive (strain gauges), inductive sensors, capacitive sensors. Measurement of kinematic quantities, acceleration, speed, tracks active and passive sensors. Measurement of kinematic quantities using strain gauges, piezoelectric sensors, inductive sensors, measurement of mechanical quantities optical sensors, rotational frequency, period, phase, cha-timeless interval, functions, properties, stroboscopic measurements. Dynamometers absorption (hydraulic, eddy current, electric DC, AC asynchronous) and transmission (with strain gauge sensors with inductive sensor). Spotřeboměry motor fuels. Basic characteristics of internal combustion engines operating parameters: torque, speed, power and specific fuel consumption. Measuring the concentrations of gases - O2 analyzers, CO2, CO, HC, NOx. Legislative provisions for the detection of pollutants in the exhaust gases of internal combustion engines. Formation of solid particles during combustion in internal combustion engines. Device for measuring the amount of particulate matter in the exhaust gases gravimetric method. Basic physical principles for measuring pressure. Hydrostatic, deformation, electrical pressure gauges. Types of incorporation balances. Calibration of pressure gauges. Measurement of low pressures. Measurement of fluid velocity (Pitot, Pitot tube). Basic principles of measurement termoanemometrem speed, using LDA and PIV. Basics of interferometry and holographic interferometry Basic physical principles and methods of measuring temperature .. Types and use of contact thermometers, thermocouple thermometers, use, installation, measurement limitations. Temperature measurement of solids. Non-contact temperature measurement methods, physical principles and basic laws of physics, the ideal and the real body, emissivity, resources for non-contact temperature measurement; principles using proximity sensors, measurement errors. Specifics of measuring temperatures in the glass industry. Temperature measurements in the environment of the furnace, temperature furnace linings, lining noncontact temperature measurement, temperature melts, temperature measurements of flames. Methods of measurement and digital components using the latest 3D non-contact scanners. Basic principles of computer vision and digital image processing. Area of ??usage, advantages and disadvantages of contactless measurement, used systems and equipment. Describing the process of Reverse Engineering - transferring real part components in digital form and its subsequent processing (transfer point cloud to polygonal network and its treatment, the possibility of constitutional components with dimensional control, inspection analysis, comparing the CAD model with the real shape, etc.) Advanced methods of digital model - transfer procedures polygonal network PCB respectively. volume model, which is suitable for CAD / CAM systems (repair network, transmission polygon-dimensional network of the exact NURBS surface, analysis of the scanned model and definition of analytic surfaces).

Learning activities and teaching methods
Monological explanation (lecture, presentation,briefing), Self-study (text study, reading, problematic tasks, practical tasks, experiments, research, written assignments)
  • Preparation for laboratory testing; outcome analysis - 6 hours per semester
  • Practical training (number of hours) - 56 hours per semester
  • Home preparation for classes - 12 hours per semester
Learning outcomes
Principles of measuring non-electrical quantities in engineering practice. The most commonly used non-electrical quantities sensors: Sensors of kinematic variables, force and pressure sensors, vibration measure-ment, measurement microphones, thermometers, etc. Non-Contact object digitalization and principles of non-contact 3D measurements. Experiments aimed at internal combustion engines and vehicles; evaluation of its operational parameters, particularly power, noise and emission parameters. Measurement of temperature, contact and noncontact methods, surface and fluids temperature measurement, heat transfer coefficient measure-ments, the measurement of rapid changes in temperature. Measurement of pressure and rapid changes in pressure. Measurement of fluid flow velocity: vane anemometer, hot-wire anemometer, CTA, the basics of optical methods.
Exercise - thematic units from the experimental areas.
Prerequisites
Unspecified

Assessment methods and criteria
Written exam

Participation on seminars. Semestral work.
Recommended literature
  • Bruun, H. H.:. HOT -WIRE Anemometry. Oxford, 1995.
  • Jain, R., Schunck, B. G. Machine vision. McGraw-Hill, New York 1995. ISBN 0-07-032018-7.
  • Jenčík, J., Kuhn, L.:. Technická měření ve strojnictví.. Praha, 1982.
  • Kozubková, M. Žárový anemometr, VŠB-TU Ostrava, 2005..
  • PTÁČEK, J. a kol. Měření teploty v průmyslu. DT ČSVTS Praha 1993.
  • SINGULE, Vl. - NOSEK, J. Elektrické měření neelektrický veličin. /Učební text/. Brno, VUT, 1988.
  • TŮMA,J. VEHICLE GEARBOX NOISE AND VIBRATION: Measurement, Signal Analysis, Signal Processing and Noise Reduction Measures. John Wiley and Sons, Inc.,N.Y., 2014.
  • VLK, F.:. Diagnostika motorových vozidel, Brno. 2006. ISBN: 802397064X.
  • 2. NAVRÁTIL, M. - PLUHAŘ, O.:. Měření a analýza mechanického kmitání. Praha, SNTL 1986.


Study plans that include the course
Faculty Study plan (Version) Category of Branch/Specialization Recommended year of study Recommended semester