Prohlížení Acta Polytechnica. 2020, vol. 60, no.5 dle názvu
Zobrazují se záznamy 7-10 z 10
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LASER ULTRASONIC MEASUREMENT OF MECHANICAL DECAY IN LIMESTONE CAUSED BY FREEZE-THAW CYCLES
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2020)In this article, an innovative new method of non-destructive testing for estimating the sensitivity of limestone is presented. An advantage of the laser ultrasonic structuroscopy method is the time and the quality, due to ... -
MODELING OF MATERIAL BALANCE FROM THE EXPERIMENTAL UCG
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2020)The underground coal gasification is a continually evolving technology, which converts coal to calorific gas. There are many important parameters in this technology, which are difficult to measure. These parameters include ... -
PROPERTIES OF A DIFFERENTIAL SEQUENCE BASED UPON THE KUMMER-SCHWARZ EQUATION
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2020)In this paper, we determine a recursion operator for the Kummer-Schwarz equation, which leads to a sequence with unacceptable singularity properties. A different sequence is devised based upon the relationship between the ... -
THE INFLUENCE OF FRICTION STIR WELDED PROCESS PARAMETERS OF AA2519-T62 ON JOINT QUALITY DEFINED BY NON-DESTRUCTIVE LASER AMPLIFIED ULTRASONIC METHOD AND BY MICROSTRUCTURE ANALYSIS
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2020)The presented research contains a description of a non-destructive laser ultrasound internal structure analysis of aluminium joints made by friction stir welding. In the research, four selected technological parameter ...