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Penghui Li, Dong Yang, Zixuan Fang, Qingfei Fu and Lijun Yang
Gelled fuels have promising applications in the aerospace field. Higher density and calorific value can be achieved with the addition of energetic metal particles to gelled fuels, which can also effectively improve the combustion efficiency of the fuel a...
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Jihyoung Cha, Erik Andersson and Alexis Bohlin
This study presents an optimal design approach of a pintle injector for a deep throttlable liquid-propellant rocket engine (LPRE). Even though the pintle injector is used in rocket engines, it has become more important since reusable launch vehicles (RLV...
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Seongphil Woo, Jungho Lee, Ingyu Lee, Seunghan Kim, Yeoungmin Han and Youngbin Yoon
The momentum flux ratio (MFR) significantly affects the mixing characteristics and combustion efficiency of propellants in rocket engine injectors. The spray characteristics of three gas-centered swirl-coaxial injectors used in a full-scale combustion te...
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Dominic Wirz, Anne Friebel, Kevin Rave, Mario Hermes, Romuald Skoda, Erik von Harbou and Hans-Jörg Bart
The presented image-based telecentric probe is unique in its functionality and can be applied to determine particulate properties of various multiphase flows.
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Xianggeng Wei, Yiming Feng, Jinying Ye, Na Li and Oskar J. Haidn
This study conducted cold flow experimental research on the influence of mass flow rate on the atomization characteristics of screw conveyer swirl injectors in an opening environment. The Phase Doppler Particle Analyzer (PDPA) and high-speed photography ...
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Daniel Feldmeyer, Claude Meisch, Holger Sauter and Joern Birkmann
Socio-economic indicators are key to understanding societal challenges. They disassemble complex phenomena to gain insights and deepen understanding. Specific subsets of indicators have been developed to describe sustainability, human development, vulner...
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Intarat Naruemon, Long Liu, Dai Liu, Xiuzhen Ma and Keiya Nishida
In diesel engines, fuel mixing is an important process in determining the combustion efficiency and emissions level. One of the measures used to achieve fuel mixing is controlling the nature and behavior of the fuel spray by shaping the injection rate. T...
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Matthias Koegl, Kevin Baderschneider, Florian J. Bauer, Bernhard Hofbeck, Edouard Berrocal, Stefan Will and Lars Zigan
In this work, the possibility of using planar droplet sizing (PDS) based on laser-induced fluorescence (LIF) and Mie scattering was investigated within the framework of measuring the droplet Sauter mean diameter (SMD) of direct-injection spark-ignition (...
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Athanasios G. Kanaris, Theodosios I. Pavlidis, Ariadni P. Chatzidafni and Aikaterini A. Mouza
This work concerns the performance of bubble columns equipped with porous sparger and investigates the effect of gas phase properties by conducting experiments with various gases (i.e., air, CO2, He) that cover a wide range of physical property values. T...
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Jacob E. Wilson, Stephen W. Grib, Adnan Darwish Ahmad, Michael W. Renfro, Scott A. Adams and Ahmad A. Salaimeh
Electrostatic Rotary bell (ESRB) atomizers are used as the dominant means of paint application by the automotive industry. They utilize the high rotational speed of a cup to induce primary atomization of a liquid along with shaping air to provide seconda...
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