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"Measuring Liquid Droplet Size in Two-Phase Nozzle Flow Employing Numer" by Lin Jiang, Wei Rao et al.

The flavoring process ensures the quality of cigarettes by endowing them with special tastes. In this process, the flavoring liquid is atomized into particles by a nozzle and mixed with the tobacco in a rotating drum. The particle size of the flavoring liquid has great influence on the atom-ization effect; however, limited research has addressed the quantitation of the liquid particle size in two-phase nozzle flow. To bridge this research gap, the authors of this study employed numerical and experimental techniques to explore the quantitative analysis of particle size. First, a simulation model for the flavoring nozzle was established to investigate the atomization effect under different ejection pressures. Then, an experimental test is carried out to compare the test results with the simulation results. Lastly, the influencing factors of liquid particle size in two-phase nozzle flow were analyzed to quantify particle size. The analysis results demonstrated that there was a cubic corre ....

Atomization Effect , Iquid Particle Measuring , Quantitative Analysis , Two Phase Flow ,

Frontiers | Integrating Multidisciplinary Observations in Vent Environments (IMOVE): Decadal Progress in Deep-Sea Observatories at Hydrothermal Vents

The unique ecosystems and biodiversity associated with mid-ocean ridge (MOR) hydrothermal vent systems contrast sharply with surrounding deep-sea habitats, however both may be increasingly threatened by anthropogenic activity (e.g., mining activities at massive sulphide deposits). Climate change can alter the deep-sea through increased bottom temperatures, loss of oxygen, and modifications to deep water circulation. Despite the potential of these profound impacts, the mechanisms enabling these systems and their ecosystems to persist, function and respond to oceanic, crustal, and anthropogenic forces remain poorly understood. This is due primarily to technological challenges and difficulties in accessing, observing and monitoring the deep-sea. In this context, the development of deep-sea observatories in the 2000s focused on understanding the coupling between sub-surface flow and oceanic and crustal conditions, and how they influence biological processes. Deep-sea observatories provide ....

United States , France General , United Kingdom , San Diego , Caribbean Sea , Belize General , Jan Mayen , Noord Holland , Middle Valley , New South Wales , Pacific City , Champagne Ardenne , Jina Mousseau , Van Audenhaege , Van Ark , Nadine Lebris , Mirocaris Fortunata , Johnp Tully , Guillaume Roullet , Charcos Llorens , Jerome Dyment , Catherine Borremans , Greace Crystle , Arctic Ocean , Nitratiruptoraceae Rommevaux , Pacific Ocean ,

Seeking enhanced materials for nuclear reactors


Credits:
Photo: Gretchen Ertl
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One of India’s largest commercial and research nuclear reactor facilities lies just south of Arunkumar Seshadri’s hometown of Chennai, India. It was there, during a high school field trip, that the seeds of his interest in nuclear power were planted.
“We learned the basic outline of how a reactor functions,” recalls Seshadri, a fifth-year doctoral student in nuclear science and engineering. “I was fascinated by how such a little bit of uranium or other fuel could produce such an enormous amount of energy.”
This fascination quickly found a formal outlet during Seshadri’s undergraduate years, and continues to propel him now at MIT. ....

Tamil Nadu , John Clark Hardwick , Arunkumar Seshadri , Koroush Shirvan , Department Of Energy , Career Development Professor , Mit Energy Initiative Mitei , Nuclear Safety , Radiation Damage , Nuclear Fuels , Arunkumar Seshadri , Koroush Shirvan , Two Phase Flow , Gamma Radiation , Ilicon Carbide Composite , Light Water Reactors , Mit Nuclear Science And Engineering , தமிழ் நாடு , துறை ஆஃப் ஆற்றல் , தொழில் வளர்ச்சி ப்ரொஃபெஸர் ,