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Zhanlin Feng, Kuanliang Wang and Honghui Teng
This study numerically investigates the effects of diluent gas proportion, the overdrive factor, and throat width on the wave structure and thrust performance of a ram accelerator operating in super-detonative mode. For premixed gas of a high energy dens...
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Cuiping Kuang, Jiadong Fan, Xuejian Han, Hongyi Li, Rufu Qin and Qingping Zou
With the recent development from grey infrastructures to green infrastructures, artificial reefs become more popular in coastal protection projects. To investigate the responses of beach profile evolution to the presence of an artificial reef, a non-hydr...
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Chun-Yuan Lin, Ching-Jer Huang and Tai-Wen Hsu
Unsteady two-dimensional Reynolds Averaged Navier-Stokes (RANS) equations coupled with the ??-??
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turbulence model was developed to simulate the viscous flow field near seawalls. The complex free-surface configuration was captured using the particl...
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Hans-Joachim Raida
The second-order partial differential wave Equation (Cauchy?s first equation of motion), derived from Newton?s force equilibrium, describes a standing wave field consisting of two waves propagating in opposite directions, and is, therefore, a ?two-way wa...
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Sevgi Cavdar and Ali Uyumaz
A roadway?s capacity to drain itself is of utmost importance for the safety and comfort of its users. Standing water and any amount of channelized flow on roadways create nuisances to the users, and the extent of encroachment into the lanes and the water...
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Grigory I. Dolgikh, Olga S. Gromasheva, Stanislav G. Dolgikh and Alexander A. Plotnikov
This paper reviews the results of the processing of synchronized data on hydrosphere pressure variations and the Earth?s crust deformation in the microseismic range (5?15 s), obtained over the course of numerous experiments, using a coastal laser strainm...
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Shufang Qin, Jun Fan, Haiming Zhang, Junwei Su and Yi Wang
Oscillating buoy device, also known as point absorber, is an important wave energy converter (WEC) for wave energy development and utilization. The previous work primarily focused on the optimization of mechanical design, buoy?s array configuration and t...
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Chang-Thi Tran, Jen-Yi Chang and Chia-Cheng Tsai
This paper investigates the scattering of oblique water waves by multiple thin barriers over undulation bottoms using the eigenfunction matching method (EMM). In the solution procedures of the EMM, the bottom topographies are sliced into shelves separate...
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Colby Niles Horner, Adrian Sescu, Mohammed Afsar and Eric Collins
Multiple competing factors are forcing aircraft designers to reconsider the underwing engine pod configuration typically seen on most modern commercial aircraft. One notable concern is increasing environmental regulations on noise emitted by aircraft. In...
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Xiaocui Yang, Xinmin Shen, Haiqin Duan, Fei Yang, Xiaonan Zhang, Ming Pan and Qin Yin
Sound absorption performance of polyurethane foam could be improved by adding a prepositive microperforated polymethyl methacrylate panel to form a composite sound-absorbing structure. A theoretical sound absorption model of polyurethane foam and that of...
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