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Hongzhang Pan, Yongmei Zhu and Mingjiang Fang
Maraging steel is the material of deep sea pressure equipment. The characteristics of corrosion fatigue crack initiation in 18Ni (250) were investigated by performing a tensile fatigue test under different loading conditions. The mechanism of corrosion f...
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Bin Qu, Zilong Chen, Dengke He, Fei Zeng, Youfu Song, Yuqing Ouyang and Lei Luo
Today, impingement cooling structures with dimples can effectively ease the burden of turbine blades. This paper investigates the effect of dimple diameter and depth on the heat transfer of the target surface on a laminar-cooled turbine blade with a cros...
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Zunce Wang, Yimin Wang, Jinglong Zhang, Sen Li and Yan Xu
The processing of dimple on the outer wall of tube will produce corresponding protrusion dimple on the inner wall. The turbulent flow and heat transfer performance of a tubular heat exchanger containing a dimpled inner tube is studied numerically. The re...
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Dimple Dimple, Jitendra Rajput, Nadhir Al-Ansari, Ahmed Elbeltagi, Bilel Zerouali and Celso Augusto Guimarães Santos
India?s water resources are under tremendous pressure due to elevated demand for various purposes. The over-exploitation of these valuable resources has resulted in an imbalance in the watershed ecology. The application of spatial analysis tools in study...
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Long Wang, Huawei Lu, Zhitao Tian, Yi Yang, Shuang Guo, Hong Wang and Xiaozhi Kong
The influence of the ratio of dimple depth-to-print diameter (λ" role="presentation">???
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) on the highly loaded compressor cascade NACA0065-K48 is investigated based on the Reynolds-averaged Navier?Stokes (RANS) method. Simulations are conduc...
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Jaehyun Lee, Ehsan Esmaili, Giho Kang, Baekhoon Seong, Hosung Kang, Jihoon Kim, Sunghwan Jung, Hyunggun Kim and Doyoung Byun
The dimple occurs by sudden pressure inversion at the droplet?s bottom interface when a droplet collides with the same liquid-phase or different solid-phase. The air film entrapped inside the dimple is a critical factor affecting the sequential dynamics ...
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Ambareen Khan, Parvathy Rajendran and Junior Sarjit Singh Sidhu
In the present world, passive control finds application in various areas like flow over blunt projectiles, missiles, supersonic parallel diffusers (for cruise correction), the engine of jets, static testbeds of rockets, the ports of internal combustion e...
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Qi Jing, Yonghui Xie and Di Zhang
The trailing edge regions of high-temperature gas turbine blades are subjected to extremely high thermal loads and are affected by the external wake flow during operation, thus creating great challenges in internal cooling design. With the development of...
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Dimple Sharma, Lev Kirischian and Valeri Kirischian
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Jin-Fang Peng, Ming-Xue Shen and Zhen-Bing Cai
Tribological properties of nano diesel soot (DS) as an additive were investigated. Textures in linear radiating arrays were prepared on the surface of a spring-steel plate by laser radiation. The texture densities were 19.6%, 22.1%, and 44.2%, and the de...
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