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Kheir Al-Kodmany
The first two decades of the twenty-first century represent a major milestone in skyscraper developments. By analyzing extensive data, the research presented here contrasts building activities of skyscrapers before and after the turn of the 21st century....
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Hua Li, Zifeng Yu, Runan Hua, Chenqi Li, Chao Guo, Houlin Liu and Liang Dong
The biomimetic surface with Space-V grooves can effectively reduce flow resistance and noise. Our investigation was in order to further enhance the drag reduction and noise reduction performance of a marine centrifugal pump with Space-V-groove-shaped bio...
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Yongchong Li, Xin Hui, Haijun Yan and Diyi Chen
Water application uniformity is an important performance parameter when designing and operating an irrigation system. Performance tests of a center pivot irrigation system equipped with fixed and rotated spray plate sprinklers (FSPS and RSPS, respectivel...
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Muhammad Fakhruddin,Mochammad Agus Choiron,Anindito Purnowidodo
Pág. 23 - 30
Abstract The experimental study of the influence of process parameters towards collar height on incremental backward hole-flanging (IBHF) process with a...
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Yu Zheng, Chunfang Lu, Xiaomin Huang, Weibing Xu, Daxing Zhou, Jin Li, Jianxiang Li, Liqun Hou, Kuan Wang and Yulong Sun
To study how varying the parameters of expansion joints and bearing supports (E-B parameters) affects the dynamic response of a coupled vehicle?bridge system for curved girder bridges, a dynamic response analysis method for the coupled vehicle?joint (bea...
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Jianguo Wang, Yun Geng, Jialei Zhang, Lin Li, Feng Guo, Sha Yang, Jie Zou and Shubo Wan
Excessive nitrogen and insufficient calcium could significantly impact peanut yields. This study investigated the effects of nitrogen and calcium fertilizers on nutrient absorption, utilization, and yield; experiments were conducted using the peanut cult...
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Yisheng Zhang, Jiangfei Wang, Qi Zhou, Yingchun Cai and Wei Tang
In this study, a quasi-stumps group structure was proposed and placed upstream of the bridge piers to mitigate the scour of the waterflow on the riverbed. Both experiment and numerical simulations using FLOW 3D were employed to study the protective effec...
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Chun-Gu Lee, Seung-Hwa Yu and Joong-Yong Rhee
The use of unmanned aerial spray systems (UASS) has increased owing to their many advantages. However, studies related to a standardized method to evaluate the spray performance of UASS are lacking. Therefore, in the present study, a quantitative analyti...
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Zhaoping Yang, Hugjiltu Minggagud, Qian Wang and Hongyuan Pan
It is unclear how N addition and mowing interactively affect grassland community structure and function. We studied the short-term effects of N addition and mowing on the species diversity and biomass of a typical grassland in Inner Mongolia using a spli...
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Min Roh, Sang-Myeong Oh, Pil-Hun Chang, Hyun-Suk Kang and Hyung-Suk Kim
A regional wave forecasting system in East Asia, including the Korean Peninsula, was built based on WAVEWATCH III using offshore wind forecast data from the Global Data Assimilation Prediction System. The numerical simulations were performed on the sensi...
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Huan Zhao, Tingting Xie, Houjun Xiao and Ming Gao
Optimizing fertilization strategies is crucial for obtaining high crop yields and efficient N utilization. This study aimed to understand the potential increase in crop yield and the N utilization efficiency under biochar-based fertilizer (BF) in a maize...
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Wenwen Wei, Tingting Liu, Lei Shen, Xiuyuan Wang, Shuai Zhang and Wei Zhang
Intercropping is a breakthrough in land-use optimization. This work aimed to study the effects of intercropping patterns on the growth, yield, root morphological characteristics, and interspecific competition of maize and soybean, as well as provide a re...
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Jiahao Guo and Zhou Zhou
The distributed propulsion system applied to the vertical take-off and landing aircraft must maintain the high performance in both hover and cruise flight. The gap of the power unit has an adverse effect on the distributed ducted fan system, especially i...
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Ram P. Sharma, Zdenek Vacek, Stanislav Vacek and Milo? Kucera
Height-to-diameter at breast height (DBH) ratio (HDR) is an important tree and stand stability measure. Several factors such as stand dynamics, natural and anthropogenic disturbances, and silvicultural tending significantly affect HDR, and, therefore, in...
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Yuan Wei, Renliang Chen, Ye Yuan and Luofeng Wang
This study assesses the influence of engine dynamic characteristics on helicopter handling quality during hover and low-speed forward flight. First, we construct the helicopter?engine coupling model (HECM) based on the power-matching relationship between...
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Yangyang Gao, Linguang Ren and Lizhong Wang
A series of physical model tests were performed to investigate the wave propagation, pressure, and wave overtopping processes for vertical and sloped seawalls on the reef flat. For both regular and irregular waves, the effects of incident wave height, wa...
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Di Zhang, Hongliang Wang, Jinhua Liu, Chuan Wang, Jie Ge, Yong Zhu, Xinxin Chen and Bo Hu
To study the influence of impinging height H/D on the flow field characteristics of oblique submerged impinging jets, the numerical calculation of an oblique submerged impinging jet was carried out based on Wray?Agarwal (W?A) turbulence model. The jet fl...
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Faradila Mei Jayani, Arief Juniarto
Pág. 353 - 360
The loss of biodiversity in Indonesia is triggered by a decline in forest area. Institut Teknologi Sumatera (ITERA) in collaboration with the Indonesian Institute of Sciences (LIPI) conducts the development of the ITERA Botanical Gardens having an import...
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Faradila Mei Jayani, Arief Juniarto
Pág. 353 - 360
The loss of biodiversity in Indonesia is triggered by a decline in forest area. Institut Teknologi Sumatera (ITERA) in collaboration with the Indonesian Institute of Sciences (LIPI) conducts the development of the ITERA Botanical Gardens having an import...
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Through a numerical analytical approach based on piezoelectric analysis and meta-modeling, this study investigated the effect of the component design of an accelerometer sensor on sensitivity and resonance frequency. The results of the study confirmed th...
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