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Jayson Craig Small and Liwei Zhang
The performance of detonation engines depends on propellant injectors. This study investigates a fluidic-valve injector mounted to a detonation tube. The injector is equipped with a recessed cavity connecting to the fuel plenum. After verifying the theor...
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Andreas Neumann and Michaela Brchnelova
Electric space propulsion is a technology that is used in a continuously increasing number of spacecrafts. The qualification of these propulsion systems has to run in ground-based test facilities which requires long testing times and powerful pumping sys...
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Francesca Aureli, Andrea Maranzoni, Gabriella Petaccia and Sandra Soares-Frazão
Laboratory experiments of dam-break flows are extensively used in investigations of geophysical flows involving flood waves, to provide insight into relevant aspects of the physics of the process and collect experimental data for validating numerical mod...
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Maurizio Cutini, Carlo Bisaglia, Massimo Brambilla, Andrea Bragaglio, Federico Pallottino, Alberto Assirelli, Elio Romano, Alessandro Montaghi, Elisabetta Leo, Marco Pezzola, Claudio Maroni and Paolo Menesatti
Simulation systems have become essential tools for both researchers and virtual laboratory experiments. In the Agri-food-chain, SimAgri, a driving simulator for tractors and operating machines, has been developed for precision agriculture (PA) research a...
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Dennis Beier, Anja Schnepf, Sean Van Steel, Naiquan Ye and Muk Chen Ong
The use of floating offshore wind farms for electrical energy supply is expected to rise significantly over the coming years. Suspended inter-array power cables are a new design to connect floating offshore wind turbines (FOWTs) with shorter cable length...
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Yonggai Dai, Zongchen Li and Boyu Wang
Maritime transportation plays a critical role in global trade as it accounts for over 80% of all merchandise movement. Given the growing volume of maritime freight, it is vital to have an efficient system for handling ships and cargos at ports. The curre...
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Dongfang Liang, Jie Huang, Jingxin Zhang, Shujing Shi, Nichenggong Zhu and Jun Chen
In the past few decades, there have been many numerical studies on the scour around offshore pipelines, most of which concern two-dimensional setups, with the pipeline infinitely long and the flow perpendicular to the pipeline. Based on the Ansys FLUENT ...
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Hans-Georg Raumer, Daniel Ernst and Carsten Spehr
In the field of aeroacoustic source imaging, one seeks to reconstruct acoustic source powers from microphone array measurements. For most setups, one cannot expect a perfect reconstruction. The main effects that contribute to this reconstruction error ar...
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Tuncay Yalçinkaya and Bahadir Gürsoy
Spacecraft are exposed to severe mechanical loads, i.e., shock loads, during their journey to orbit. Such loads usually develop due to a separation event through the activation of pyrotechnic devices. They might be transmitted throughout the entire struc...
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Ming Ju, Xiaodong Xing, Liquan Wang, Feihong Yun, Xiangyu Wang and Hongqian Liao
During the reeling process of the reel-lay method, the pipe will be subjected to combined loading of tension and bending. Excessive ovalization of the pipe will affect the structural performance and even lead to structural instability of the pipe. In thi...
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