Academic literature on the topic 'Continous blowing'

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Journal articles on the topic "Continous blowing"

1

McCulloch, John G. "The History of the Development of Melt Blowing Technology." International Nonwovens Journal os-8, no. 1 (1999): 1558925099OS—80. http://dx.doi.org/10.1177/1558925099os-800123.

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Almost a half century ago development efforts were initiated by very different entities, in widely different locations, to demonstrate one step processes to convert polymer to web: • Major fiber producers (DuPont, Freudenberg, Monsanto) began work on converting polymer (PE, PET, Nylon) into continuous “cold drawn” filaments and integrating the conversion of these filaments into a random-laid bonded nonwoven fabric. • An oil company (Exxon), building on the earlier work (1950's) of the Naval Research Labs to produce fine fibers, began work on converting their recently commercialized PP polymer
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2

Margaris, P., and I. Gursul. "Wing tip vortex control using synthetic jets." Aeronautical Journal 110, no. 1112 (2006): 673–81. http://dx.doi.org/10.1017/s0001924000001536.

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AbstractAn experimental investigation was conducted to study the effect of synthetic jet (oscillatory, zero net mass flow jet) blowing near the wing tip, as a means of diffusing the trailing vortex. Velocity measurements were taken, using a Particle Image Velocimetry system, around the tip and in the near wake of a rectangular wing, which was equipped with several blowing slots. The effect of the synthetic jet was compared to that of a continuous jet blowing from the same configurations. The results show that the use of synthetic jet blowing is generally beneficial in diffusing the trailing vo
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3

Yang, Chenghao, Elias J. G. Arcondoulis, Yannian Yang, et al. "Active control of airfoil turbulent boundary layer noise with trailing-edge blowing." Journal of the Acoustical Society of America 153, no. 4 (2023): 2115–30. http://dx.doi.org/10.1121/10.0017787.

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Large Eddy Simulation (LES) and Ffowcs Williams-Hawkings acoustic analogy are performed to study the effect of trailing-edge blowing on airfoil self-noise. Simulations were conducted using a National Advisory Committee for Aeronautics 0012 airfoil at zero angle of attack and a chord-based Reynolds number of [Formula: see text]. The aerodynamic and aeroacoustic characteristics of the baseline airfoil were thoroughly verified by comparison with previous numerical and experimental data. The noise reduction effects of continuous and local blowing with different blowing ratios and blowing momentum
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4

Li, Wenjie, Shibo Wang, Jianxin Xu, et al. "Numerical Investigation of the Enhanced Stirring Characteristics of a Multi-Lance Top-Blowing Continuous Converting Furnace for Lance Arrangement and Variable-Velocity Blowing." Energies 16, no. 5 (2023): 2412. http://dx.doi.org/10.3390/en16052412.

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Oxygen lances are key equipment for copper converters. The effect of the lance arrangement on the mixing of a gas–slag two–phase is discussed using numerical simulation and experimental verification with a water model, and the stirring characteristics enhanced by variable–velocity blowing are explored. The results showed that the single–row lance arrangement (SA) increased the average velocity in the slag phase by 17.93% and reduced the disturbance to the metal phase by 27.78% compared to the double–row lance arrangement (DA). Compared to the constant–velocity blowing system (CSB), the sine–wa
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5

Meijie, Z., G. Huazhi, H. Ao, Z. Hongxi, and D. Chengji. "Numerical simulation and industrial practice of inclusion removal from molten steel by gas bottom-blowing in continuous casting tundish." Journal of Mining and Metallurgy, Section B: Metallurgy 47, no. 2 (2011): 137–47. http://dx.doi.org/10.2298/jmmb110120006m.

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Gas blowing at the bottom of tundish is an efficient metallurgy technique in clean steelmaking. In this paper, the removal of small size inclusions in the gas bottom-blowing tundish was studied by numerical simulation and industrial practice. The residence time distribution (RTD) of molten steel in the tundish was calculated by mathematical modeling. The content of small size inclusions in the slab was analyzed using a oxygen probing and metallographic images. The results show that the molten steel characteristics obviously change when applied gas bottom-blowing, the average residence time of
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6

Sugiura, Konosuke, and Tetsuo Ohata. "Large-scale characteristics of the distribution of blowing-snow sublimation." Annals of Glaciology 49 (2008): 11–16. http://dx.doi.org/10.3189/172756408787814960.

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AbstractTo consider the large-scale characteristics of blowing-snow sublimation and its importance in the hydrological cycle in the cryosphere, we investigated the sublimation of blowing snow particles on a global scale using the global datasets of the European Centre for Medium-RangeWeather Forecasts (ECMWF) re-analysis data and the International Satellite Land Surface Climatology Project (ISLSCP) Initiative I data for 1987. The sublimation fluxes of blowing snow particles were estimated globally with 2.5˚ resolution at 6 hour intervals. We found that the sublimation of blowing snow particles
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7

Ayuni, Farihah, Gina Selvia Rahayu, Nesty Ermin Nadhirah, Tegar Selaras Gustavisiana, and Hisny Fajrussalam. "Perspektif Islam terhadap “Kaum Majusi” Modern." YASIN 3, no. 3 (2023): 342–51. http://dx.doi.org/10.58578/yasin.v3i3.1080.

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In this modern era, we often encounter celebrations by blowing out candles as part of the event. This continues to develop and grow into a culture in society. As for Islam, it strictly prohibits a celebration in which there is uproar and blowing out candles as the culmination of the event because it seems to have cultivated the habits of the former Magi. However, some other Muslims actually think that blowing out candles at a celebration is a sign of gratitude. This research is aimed at analyzing how many people cultivate candle blowing in celebrations and how Muslims view blowing candles at a
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8

Wang, Dazhi, Fang Gao, Lidong Xing, Jianhua Chu, and Yanping Bao. "Continuous Prediction Model of Carbon Content in 120 t Converter Blowing Process." Metals 12, no. 1 (2022): 151. http://dx.doi.org/10.3390/met12010151.

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A continuous prediction model of carbon content of 120 t BOF is established in this paper. Based on the three-stage decarburization theory and combined with the production process of 120 t converter, the effects of oxygen lance height and top blowing oxygen flow rate are also considered in the model. The explicit finite difference method is used to realize continuous prediction of carbon content in the converter blowing process. The model parameters such as ultimate carbon content in molten pool are calculated according to the actual data of 120 t BOF, which improves the hit rate of the model.
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9

Yoshinaga, Etsuo. "Blow Analytic Mappings and Functions." Canadian Mathematical Bulletin 36, no. 4 (1993): 497–506. http://dx.doi.org/10.4153/cmb-1993-065-1.

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AbstractLet π: M —> Rn be the blowing-up of Rn at the origin. Then a continuous map-germ f: (Rn — 0,0) —> Rm is called blow analytic if there exists an analytic map-germ such that Then an inverse mapping theorem for blow analytic mappings as a generalization of classical theorem is shown. And the following is shown. Theorem: The analytic family of blow analytic functions with isolated singularities admits an analytic trivialization after blowing-up.
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10

Zhang, M. J., H. Z. Gu, A. Huang, H. X. Zhu, and C. J. Deng. "Physical and mathematical modeling of inclusion removal with gas bottom-blowing in continuous casting tundish." Journal of Mining and Metallurgy, Section B: Metallurgy 47, no. 1 (2011): 37–44. http://dx.doi.org/10.2298/jmmb1101037z.

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Gas blowing at the bottom of tundish is an efficient metallurgy technique in clean steelmaking and has been widely concerned. In this paper, spherical alumina particles were selected to model inclusions, 1:3 scale model was utilized, the removal efficiency of inclusions with the gas bottomblowing in the tundish was studied by physical and mathematical modeling. The mathematical model is validated by comparing the predicted and measured residence time distributions and dye flow patterns of tracer. The results show that while the removal efficiency of large size particles has no obvious changes,
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