[PDF] Top 20 ACOUSTIC BARRIERS: PERFORMANCE AND EXPERIMENTAL MEASUREMENTS
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ACOUSTIC BARRIERS: PERFORMANCE AND EXPERIMENTAL MEASUREMENTS
... The equivalent continuous downwind octave band sound pressure level at a receiver location shall be calculated taking into account the sound power level of the source, the directivity correction, and the octave ... See full document
7
STRUCTURE OF NANOPARTICLES AND ELECTROCHEMICAL MEASUREMENTS OF Li/TiO2 MODIFIED BY GRAPHENE FOR STORAGE PERFORMANCE
... electrochemical performance of lithium ion ...morphologies and electrochemical results were investigated using SEM, TEM, X-ray diffraction (XRD), cyclic voltammetry and potentiodynamic ...capacity ... See full document
6
COMPARATIVE ANALISIS OF SEVERAL ACOUSTIC IMPEDANCE MEASUREMENTS
... the experimental results obtained for this sample with the intensity technique and with the impedance ...techniques, and it is easy to confirm that, in this case, it is the intensity technique that ... See full document
6
Experimental micrometer-displacement measurements based on optical vortices
... Gauss and Kummer beams have grown ...beam and the center of the VPL occurs, a loss of the symmetry is registered in both, intensity and phase (see ...analytically and numerically a method to ... See full document
8
EXPERIMENTAL EVALUATION AND OPTIMIZATION OF THE ACOUSTIC PROPERTIES OF A NOISE BARRIER
... more and more serious in these last ...Roads and railways are among the most important noise sources; to reduce their impact, noise barriers are among the most commonly used ...The ... See full document
6
On the Techniques for Measuring Muffling Devices with Flow
... loss, and the noise ...the performance can be ...the performance of a muffling ...the acoustic performance of muffling devices are ...method, and the two-source method are ... See full document
8
Experimental heat transfer measurement technique validation and measurements in a linear Cascade of an OGV and endwall
... 100 and obtain a temperature distribution comparable to what Saul predicted numerically in his ...interface and the epoxy ...experiments and not enough accurate ...process and the importance ... See full document
104
EVALUATION OF INSERTION LOSSES OF ACOUSTIC BARRIERS IN RAILWAYS BY THE BOUNDARY ELEMENT METHOD
... Due to usual lengths of train composition a 2D model has been used. The source is a coherent monopole line close to the tracks but not above the carriage (0.75 m height, 2.5 m from medium vertical plane of the ... See full document
6
Acoustic rotational streaming and angular momentum transfer to matter driven by ultrasonic acoustic vortices
... It was clearly visible that the beam with no phase delay did not generate a donut beam neither a stream that rotates the beads. The beads just agglomerate in the focus point and gather there. On a second plane at ... See full document
75
Tailoring the magnetic properties of cobalt antidot arrays by varying the pore size and degree of disorder
... SEM and their magnetic properties were measured experimentally by hysteresis curves and FORC ...curves and obtained snapshots of the magnetization to investigate magnetic ...ideal and a ... See full document
9
TítuloSimultaneous utilization of fine and coarse recycled concrete aggregate for the fabrication and experimental analysis of the structural performance of precast reinforced and prestressed concrete elements
... sites, and to critical environmental impact ...water and soil; deforestation; in sum, an overall damage to the natural ...construction and demolition wastes are generated and go directly to ... See full document
326
Apartheid, clinical psychology, and breaking barriers
... Apartheid and the making of a Black psychologist was an easy decision despite competing demands and ...writing and urged a following of his work, but it provoked a critical engagement with issues of ... See full document
5
EU and International Trade Law
... treaties and international agreements, national legislation, and trade dispute settlement case ...law and agreements has been expanding into a system of multilateral trade that nowadays has reached a ... See full document
15
Revista Ingeniería Investigación y Tecnología | Facultad de Ingeniería UNAM
... riable and the other variables are listed in the nomen- ...regular and irregular oscillations due to the complex exponential factors in (5b) provokes convergence problems when applying generic quadrature ... See full document
10
Avances en el conocimiento de la cromogranina A y otros biomarcadores salivares de estrés en cerdos= Advances in the knowledge of chromogranin A and other salivary biomarkers of stress in pigs
... Evaluación de la estabilidad de la CgA salivar: Se obtuvieron muestras, en la granja experimental de la Universidad de Murcia, de 35 cerdos seleccionados al azar de diferentes edades y sexo. Para tener un volumen ... See full document
138
EXPERIMENTAL DETERMINATION OF THE ACOUSTICAL PARAMETERS OF RIGID AND LIMP MATERIALS USING DIRECT MEASUREMENTS AND ANALYTICAL SOLUTIONS
... length, and thermal ...porosity, and density of the material, and the measurement of the complex dynamic density and bulk modulus, the missing parameters are found using analytical ... See full document
6
3-dimensional binaural sound rendering using acoustic measurements stored in the SOFA format
... The problem was that the groups didn't have a standard format file to store the data. That was a problem when a third part wanted to use some different HRTFs for 3D audio rendering. Every of them have different ways to ... See full document
37
Arc welding of Dissimilar Metals:FEA and Experiments
... theoretical and experimental investigations on heat transfer in copper - low carbon steel welded joints are presented in the first part of the ...negligible and heat flow is considered ... See full document
6
Early age behaviour of Self Compacting Concrete with Polypropylene fibers and carbon nanofibers
... An experimental study on the performance of a self compacting concrete (SCC) with fibers, during the cement hydration process and the evolution in to a rigid material, was carried ...hardened ... See full document
12
Drivers and Barriers to Adopting Gamification: Teachers’ Perspectives
... attentional and motivational levels through gamification because of the entertaining nature of games, which is, “learning while having ...(Demirbilek and Tamer, ...motivation and attention elicited ... See full document
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