1993 (v1)
Publication
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2005 (v1)Publication
The silencer consists of a casing and at least one partition (of sound-absorbing material housed in the casing in such a position as to be brushed by the air or gas flowing through the silencer. The sound-absorbing material consists of inert granular material, such as, for example, expanded clay. This material offers advantages in that it is...
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1994 (v1)Publication
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2000 (v1)Publication
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2002 (v1)Publication
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1994 (v1)Publication
The results of an experimental study concerning the determination of thermophysical properties of thermal insulators are presented. The temperature-dependent thermal diffusivity and the normalised volumetric heat capacity are simultaneously identified by a measurement of the time-temperature response of the material subjected to a transient...
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2011 (v1)Publication
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1991 (v1)Publication
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1999 (v1)Publication
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1997 (v1)Publication
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2000 (v1)Publication
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1991 (v1)Publication
The problem of determining thermal diffusivity from transient temperature measurements is analysed, and some simulated and experimental results concerning fibrous insulators are reported and discussed. The thermal diffusivity is reconstructed in the form of a polynomial approximation by solving the nonlinear inverse heat-conduction equation, in...
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1999 (v1)Publication
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1983 (v1)Publication
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1991 (v1)Publication
The identification of thermal diffusivity from transient temperature measurements is strongly influenced by various noises and disturbances affecting measurement instrumentation. Some relatively new statistical techniques, like 'Kalman filtering', provide the theory to take account of these disturbances, improving the methodology for solving...
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1999 (v1)Publication
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1996 (v1)Publication
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2010 (v1)Publication
Porous materials were prepared by agglomerating the expandedclay with an epoxyresin with the aim to produce sound absorbers which combine good noise damping performances, excellent mechanical strength and low costs. The use of a polymeric binder, instead of the concrete typically employed in present commercial products, allows obtaining light...
Uploaded on: March 31, 2023