نتایج جستجو برای: plasma arc
تعداد نتایج: 388705 فیلتر نتایج به سال:
Although wire arc additive manufacturing (WAAM) of Ti alloys using gas metal yields a high deposition rate, cathode spots exhibit unstable behavior. In this study, the cold-metal-transfer process and an electrode-negative (EN) polarity were used in WAAM Ti–6Al–4V alloy. High-speed imaging was performed to investigate mechanisms stabilize plasma jets, plasma, molten transfer EN polarity. Arc jet...
Glucocorticoid receptors are highly expressed in the hypothalamic paraventricular nucleus (PVN) and arcuate nucleus (ARC). As glucocorticoids have pronounced effects on neuropeptide Y (NPY) expression and as NPY neurons projecting from the ARC to the PVN are pivotal for balancing feeding behavior and glucose metabolism, we investigated the effect of glucocorticoid signaling in these areas on en...
The influence of metal vapour on the arc behaviour during the arc-splitting process in the quenching chamber of a low-voltage circuit breaker is investigated numerically. A three-dimensional magnetohydrodynamic model of air arc plasma, taking into account the production of metal vapour from erosion of an iron splitter plate, is developed. An equation describing conservation of the iron vapour m...
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