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Saeid Taghizadeh and Robert Sean Dwyer-Joyce
When two rough surfaces are loaded together contact occurs at asperity peaks. An interface of solid contact regions and air gaps is formed that is less stiff than the bulk material. The stiffness of a structure thus depends on the interface conditions; t...
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Frank Mevissen and Michele Meo
In modern gas turbines, efforts are being made to improve efficiency even further. This is achieved primarily by increasing the generated pressure ratio in the compressor and by increasing the turbine inlet temperature. This leads to enormous loads on th...
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Jitendra A. Kewalramani, Zhenting Zou, Richard W. Marsh, Bruce G. Bukiet and Jay N. Meegoda
In this paper, nonlinearity associated with intense ultrasound is studied by using the one-dimensional motion of nonlinear shock wave in an ideal fluid. In nonlinear acoustics, the wave speed of different segments of a waveform is different, which causes...
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Marjan Bakhtiari-Nejad and Shima Shahab
Many biomedical applications such as ultrasonic targeted drug delivery, gene therapy, and molecular imaging entail the problems of manipulating microbubbles by means of a high-intensity focused ultrasound (HIFU) pressure field; namely stable cavitation. ...
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Christian Vanhille and Kullervo Hynynen
We studied the effects of a small bubble cloud located at the pre-focal area of a high-intensity focused ultrasound field. Our objective is to show that bubbles can modify the bioeffects of an ultrasound treatment in muscle tissue. We model a three-dimen...
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Marjan Bakhtiari-Nejad and Shima Shahab
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Helen Papadaki, Evaggelos Kaselouris, Makis Bakarezos, Michael Tatarakis, Nektarios A. Papadogiannis and Vasilis Dimitriou
The dynamic behavior of solid Si targets irradiated by nanosecond laser pulses is computationally studied with transient, therm?mechanical three-dimensional finite element method simulations. The dynamic phase changes of the target and the generation and...
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Sergey Y. Romanov
Pág. 98 - 102
A method of nondestructive ultrasound tomographic imaging employing a rotating transducer system is proposed. The rotating transducer system increases the number of emitters and detectors in a tomographic scheme by several times and makes it possible to ...
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Alexander V. Goncharsky,Sergey Y. Romanov,Sergey Y. Seryozhnikov
Pág. 41 - 66
Currently, tomographic imaging is widely used in medical and industrial non-destructive testing applications. X-ray tomography is the prevalent imaging technology. Modern medical X-ray CT scanners provide up to 1 mm spatial resolution. The disadvant...
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Alina Karki and Junru Wu
The relationship between ultrasonic parameters (attenuation coefficients and velocity) and bone porosity in bovine cancellous bone is explored to understand the possibility of fracture risk diagnosis associated with osteoporosis by applying ultrasound. I...
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Bei Liu, Xian Zhang, Xiao Zou, Jing Cao and Ziqi Peng
Biological tissue damage monitoring is an indispensable part of high-intensity focused ultrasound (HIFU) treatment. As a nonlinear method, multi-scale permutation entropy (MPE) is widely used in the monitoring of biological tissue. However, the tradition...
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Ana Paula Biz, Elisandra Rigo, Angélica Patrícia Bertolo, Darlene Cavalheiro
Pág. e48792
Spent yeast biomass is one of the residues of brewing. It is specifically the second-largest residue from brewing industry. Most of the spent yeast is sold at low prices, or disposed as waste or used as animal feed. Spent yeast biomass is predominantly c...
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Ana Paula Biz, Elisandra Rigo, Angélica Patrícia Bertolo, Darlene Cavalheiro (Author)
Pág. e48792
Spent yeast biomass is one of the residues of brewing. It is specifically the second-largest residue from brewing industry. Most of the spent yeast is sold at low prices, or disposed as waste or used as animal feed. Spent yeast biomass is predominantly c...
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