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Xu Zhang, Guoqing Zhang, Mingzhong Gao, Yufeng Wen and Yaohui Wang
The Moon is the closest extraterrestrial celestial body to the Earth. Sampling and analysis of lunar regolith or rocks can pave the way for the development and utilization of lunar resources. The acquisition of lunar regolith samples with original strati...
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Alessandro Polla, Giacomo Frulla, Enrico Cestino, Raj Das and Pier Marzocca
The presented methodology offers the author?s view on how to bridge the gap between the numerical evaluation and physical response of a typical composite panel under high-velocity impact. A rational approach to failure conditions and progressive damage p...
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Mengjin Ma, Huan Li, Dongliang Yan, Yihan Zhang, Miaomiao Song, Yongchao Wang, Hao Wang, Ruixin Shao, Jiameng Guo and Qinghua Yang
The use of blended controlled-release urea (CRU) with normal urea has appeared to effectively improve grain yield and nitrogen use efficiency in summer maize systems. Nevertheless, the environmental impacts based on a life cycle assessment (LCA) and the ...
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Du-Song Kim, Hee-Keun Lee, Woo-Jae Seong, Kwang-Hyeon Lee and Hee-Seon Bang
The International Maritime Organization has recently updated the ship emission standards to reduce atmospheric contamination. One technique for reducing emissions involves using liquefied natural gas (LNG). The tanks used for the transport and storage of...
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Yangyu Lu, Qingming Zhang, Yijiang Xue, Wenjin Liu and Renrong Long
Three types of multi-wall shielding were experimentally investigated for their performances under the high-velocity impact of a cm-size cylindrical projectile by using a two-stage light-gas gun. The three shields contained the same two aluminum bumpers b...
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Lei Zhang, Honghao Li and Wei Wang
Two retrofit strategies, aiming at increasing the collapse resistance of simple connections by adding seat angles and steel plates with long-slotted holes, are proposed in order to address the vulnerability of steel gravity frames under column loss scena...
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Da Yu, Keren Dai, Jinming Zhang, Benqiang Yang, He Zhang and Shaojie Ma
In recent years, penetrating weapons have been used more and more to attack increasingly hard targets; therefore, the impact of such a penetrating process has increased to an extremely high level. As an important component of a fuze, the reliability of t...
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Zhihao Fang, Jiao Chen, Weifeng He, Zhufang Yang, Zhanwei Yuan, Mingrui Geng and Guangyu He
TiN/Ti coatings have great application potential in improving aero-engine server lives in a dusty environment. However, the damage behavior and mechanism of the coating and substrate under high impact speed and multi-direction loading conditions has scar...
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Disposing electronic plastic waste into construction materials is an eco-friendly and energy efficient solution to protect the environment. This work is aimed at enhancing the strength of self-compacting concrete (SCC) replacing sand with electronic wast...
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Jing Luo, Weilin Xu, Jun Deng, Yanwei Zhai and Qi Zhang
As a hydrodynamic phenomenon, cavitation is a main concern in many industries such as water conservancy, the chemical industry and medical care. There are many studies on the generation, development and collapse of cavitation bubbles, but there are few s...
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Rupali Sarmah, Troyee Tanu Dutta and K. Seshagiri Rao
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Khalid Bani-Melhem, Abeer Al Bsoul, Zakaria Al-Qodah, Nada Al-Ananzeh, Muhammad Rasool Al-Kilani, Mohammad Al-Shannag and Walid Bani-Salameh
Greywater (GW) treatment by the electrocoagulation (EC) technique alone might not meet the required standards in terms of pollutant removal, specifically when GW contains high loads of pollutants. In this preliminary study, a sand filtration (SF) unit wa...
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Prabal Pratap Singh and Deepu Philip
Terrorism perpetrated in any country by either internal or external actors jeopardizes the country?s security, economic growth, societal peace, and harmony. Hence, accurate modelling of terrorism has become a necessary component of the national security ...
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Gustavo Lopes, Loris Simonassi and Sergio Lavagnoli
The aerodynamics of a high-speed low-pressure turbine (LPT) cascade were investigated under steady and unsteady inlet flows. The tests were performed at outlet Mach (M) and Reynolds numbers (Re" role="presentation">????Re
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) of 0.90" role="presentatio...
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Sushma Sharma, Vikram Singh, Hemender Tanwar, Virender Singh Mor, Mukesh Kumar, Ramesh Chander Punia, Mohinder Singh Dalal, Mujahid Khan, Sonali Sangwan, Axay Bhuker, Chander Shekhar Dagar, Shikha Yashveer and Jogender Singh
Global warming has increased the temperature significantly over a large extent both spatially and temporally. The threat of heat stress during the germination and seedling establishment stages in the wheat crop is now more prevalent than ever before. The...
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Yogeshwar Jasra,Ravindra K. Saxena
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Kruthi Kiran Ramagiri, Patricia Kara De Maeijer and Arkamitra Kar
Alkali-activated binders (AABs) offer the opportunity to upcycle a variety of residues into products that can have added value. Although AABs are reported to have a superior high-temperature performance, their thermal behavior is heavily governed by thei...
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Ivana Janjic,Bojan Krstic,Sandra Milanovic
Pág. 253 - 271
This paper aims to examine the influence of R&D activity on the business performance of high-technology companies. In order to provide an empirical investigation of the impact of R&D activity on the business performance of high-technology compani...
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Ville Lahtela, Anil Kumar and Timo Kärki
An increased amount of textile waste will be available in the future, and its utilization requires attention from various perspectives. The re-utilization of textile waste in a second material cycle is an option for dealing with a global problem that put...
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Navya Gara, Velmurugan Ramachandran and Jayaganthan Rengaswamy
The present work investigates the impact behaviour of Al 2024-T3 alloy using FEM analysis performed through LS DYNA software. Johnson?Cookvisco-plastic model is used to study the ballistic impact resistance of target Al alloy impacted by a rigid steel cy...
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