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R. Gayathri, Jen-Yi Chang, Chia-Cheng Tsai and Tai-Wen Hsu
An oscillating water column (OWC) is designed for the extraction and conversion of wave energy into usable electrical power, rather than being a standalone renewable energy source. This review paper presents a comprehensive analysis of the mathematical m...
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Xiaojie Zhang, Weiyu Chen, Dianyin Hu and Rongqiao Wang
In recent years, hollow fan blades have been widely used to meet the requirements of aeroengines for lightweight and better performance. However, the hollow fan blade will change from the manufacture shape to the operating shape with large deformations d...
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Osasu Osaze and Sanjeev Khanna
In this study, experimental measurements of porous polypropylene (PP) using the DTC-25 TA laboratory equipment and a hot box test are compared. The thermal conductivity of building materials indicates their insulation capability. Excellent building mater...
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Dong-Hwan Kim, Min-Jun Kim, Min-Su Jo, Hyeong-Gook Kim, Yeo-Jin Yoon and Kil-Hee Kim
This study aimed to evaluate the flexural behavior characteristics of prestressed concrete hollow-core slabs (HCSs) through bending experiments. Six specimens were used as variables, both with and without reinforced concrete, in the HCS. A four-point loa...
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Sahar Fatima, Muhammad Imran, Farah Kanwal, Ayesha Javaid, Shoomaila Latif and Grzegorz Boczkaj
In this work, polymeric microspheres derived from polystyrene-co-methyl methacrylate embedded with magnetic ZnO nanoparticles (poly(styrene-co-MMA)-3MPS-Fe (ZnO)) were synthesized using the suspension polymerization method. The surfaces of polymeric Fe(Z...
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Bingyue Jia, Yining Zhang, Hao Meng, Fanxiao Meng, Hu Pan and Yanji Hong
Rotating detonation engines (RDEs) are a promising propulsion technology featuring high thermal efficiency and a simple structure. To adapt the practical engineering applications of ramjet RDEs, rotating detonation combustion using a liquid hydrocarbon a...
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Md Rezaul Hoque Khan, Atiqul Alam Chowdhury, Mohammad Rakibul Islam, Md Sanowar Hosen, Mhamud Hasan Mim and Mirza Muntasir Nishat
For the quick identification of diverse types of cancer/malignant cells in the human body, a new hollow-core optical waveguide based on Photonic Crystal Fiber (PCF) is proposed and numerically studied. The refractive index (RI) differs between normal and...
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Yutao Feng, Weibin Li and Nan Lu
In this paper, the mechanical properties of hollow precast utility tunnels are studied by experimental and numerical methods. Through full-scale experiments, the failure modes of ordinary and hollow utility tunnels are studied, and the failure stages of ...
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Yingtao Sun, Aijun Yao, Lei Dong, Yanlin Li and Yifei Gong
The hollow structure of large-diameter ring piles (LDRPs) reduces the amount of concrete used, is economically efficient, and reduces the weight of the pile. However, its bearing characteristics and safety performance are still not fully known. In this s...
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Jinji Sun, Jianyi Ren, Yun Le and Hanmou Wang
Hollow-cup motors are usually used in spacecraft because of their low power consumption and high control accuracy. However, because the air-gap between the permanent magnets (PMs) and the rotor of the hollow-cup motor is uniform, the sinusoidal character...
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