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Christian Lehr, Pascal Munsch, Romuald Skoda and Andreas Brümmer
The acoustic properties of a single-stage centrifugal pump with low specific speed are investigated by means of compressible 3D CFD simulations (URANS) and experiments. In order to determine the pump?s acoustic transmission and excitation characteristics...
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Katarzyna Leszczynska-Sejda, Andrzej Chmielarz, Dorota Kopyto, Michal Ochmanski, Grzegorz Benke, Arkadiusz Palmowski, Agnieszka Sobianowska-Turek, Przemyslaw Los, Agnieszka Fornalczyk, Michal Zygmunt and Karolina Goc
This paper presents comparative experimental results for the single-stage and two-stage counter-current acid leaching of battery masses, with the addition of a booster, from different types of LIB waste. Three different types of battery masses were used ...
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Marco Sabatini and Giovanni B. Palmerini
This paper investigates the performance of the forthcoming lunar navigation satellite systems for estimating not only the position of an onboard receiver in a lunar inertial reference frame but also, and with a consistent accuracy, the relative position ...
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Tsu-Chuan Shen and Edward T.-H. Chu
Existing elevator systems lack the ability to display the number of people waiting on each floor and inside the elevator. This causes an inconvenience as users cannot tell if they should wait or seek alternatives, leading to unnecessary time wastage. In ...
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Jiahao Li, Ronja Güldenring and Lazaros Nalpantidis
Autonomous weeding robots need to accurately detect the joint stem of grassland weeds in order to control those weeds in an effective and energy-efficient manner. In this work, keypoints on joint stems and bounding boxes around weeds in grasslands are de...
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Jin Gao, Ziyi Kang, Weiheng Sun, Youyin Wang, Junlong Zhang and Wen Bao
With the in-depth research on hypersonic aerodynamics and hypersonic propulsion technology, humans are growing closer to space travel. Recent studies have shown that the pre-cooled air-turborocket (ATR) or turboexpander engines are some of the potential ...
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Razvan Edmond Nicoara, Daniel Eugeniu Crunteanu and Valeriu Alexandru Vilag
Extensively used in modern gas turbine engines in various applications, ranging from aerospace, marine and terrestrial propulsion to power generation and gas pumping, the axial flow turbines have been continuously updated and are now capable of high perf...
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Mohammed Mizanur Rahman, Mahfuzur Rahman and Md. Abdul Kaium Masud
This study examines the determinants of financial intermediation costs of banks in ten Emerging Economies (EEs) in the period 2000?2018 using panel data of 1335 banks. Empirically, this study applies the single-stage dealership model and its extensions b...
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Clémence Rannou, Julien Marty, Geoffrey Tanguy and Antoine Dazin
The tip gap region of an axial compressor rotor is a source of complex flows, inducing losses and stability issues. Recent works have proven the ability of blowing high-speed jets in the tip region to improve the surge margin of an axial compressor stage...
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Jianmin Wen, Chenqi Fu, Hong Zhang and Bindi You
The internal beveloid gear has good scientific research value and a broad application field. However, there is a lack of research on the nonlinear vibration characteristics of internal beveloid gears. The present study establishes a nonlinear vibration m...
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