[PDF] Top 20 ANALYSIS OF A SOUND SPEED MEASUREMENT MADE IN 1738

... time of the observation, that was made very carefully, and although two different flare-ups were seen, we did not perceive any ...positions in that place, where the sound, without any doubt, ... See full document

... The speed of sound, c, in pure HFE-7300 was measured by using an Anton Paar DSA 5000 vibrating tube densitometer and sound analyzer automatically thermostatted within ...the ... See full document

... time of sound wave pulses and, from its data, evaluates the sound speed field and temperature ...this measurement requires exact knowledge on the sound wave propagation and ... See full document

... the measurement scheme to be presented in the next part, we need to convert the dynamic speckles arising from ...displacement in front of the basic optical ...it in a way such that the ... See full document

... the sound power level value has been used as an input for a SEA model which also included vibro-acoustical characterization of the train elements ...results of SEA modeling, it reveals that in ... See full document

... [6]. In that context also the measurement method for the loss factor has been studied and well established ...use of the total loss factor (structural reverberation time) in the laboratory and ... See full document

... suspended in the fluid scatter some of this light. The number of photons scattered depends on a variety of factors, such as the number and size of the particles, the intensity of ... See full document

... ideas in Example 3, in which an extended order was defined on L but not necessarily on the whole power set of L, we may realize that, at this stage, an interesting question ...set of criteria ... See full document

... the sound velocity, and µ ( x , y , z , t ) are the refraction index ...The sound waves are thought propagate along the x -axis, which is a horizontal line connected to a point sound source ( x = 0 ) ... See full document

... influence of the flow field around high speed trains in open ...parametric analysis of the sound pressure inside the train was ...models of a characteristic train section ... See full document

... Las tendencias actuales apuntan al desarrollo de nuevos materiales económicos y ecológicos con óptimas propiedades mecánicas, acústicas y térmicas. En la caracterización acústica del material es habitual medir su ... See full document

... the sound speed in those materials are very close to each other lying within the range ...error. In all the experiments the sampling frequency was 500 ...use of the system is very ... See full document

... the sound intensity technique the sound power incident on the test specimen is determined by the sound pressure in the source room and the sound power transmitted is determined by ... See full document

... measurements made to assess the anechoic performance of anechoic and semi-anechoic rooms may be used to estimate the average sound absorption at the walls of these rooms and the room average ... See full document

... turbine speed is ...most of the time, the machine rotor flux can be reduced from the rated value to reduce the core loss and thereby increase machine-converter system ...option of inserting a ... See full document

... terms in expression (6) are expressed, in the mentioned reference, as functions of the rated power, P R , rotor radius, R , and the ratio h/R ... See full document

... compounds in geological samples with an unambiguous link to specific precursor molecules in living ...environment of fossil organic matter as well as its thermal maturation caused by geothermal heat ... See full document

... the sound absorption of a material is the standing wave ...Details of different measurement procedures are described in internationals standards ...found in [19]. Another ... See full document

... Este estudio tuvo como objetivo analizar el desempeño financiero de las organizaciones de gestión de zakat. La muestra de la aplicación de medición de informes de Internet es el sitio web de la Organización de Gestión de ... See full document

... state of residual stress at a point corresponding to the surface generated (point ...components of stress for any point of such surface, eight micro-indents must be ...corner of an imaginary ... See full document