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A major component of aircraft noise is the jet noise created by the high velocity hot stream exhausting from a jet engine, interacting with itself and with the surrounding cold air. In the present paper the flow and acoustic fields that are generated by two coaxial jets are considered. Numerically, the problem is divided into a flow related part (Navier-Stokes system of equation) and an acoustic p
A fast spectral approximation of a narrow-band computer model is proposed for prediction of thermal radiation in a generally nonisothermal and nonhomogeneous combustion environment. The approximation is made by assuming each discretized spatial element along a line of sight to be locally "gray" within each small narrow-band spectrum interval. For each spatial element, the local equivalent spectral
China has in the last three decades undergone massive economic changes due to the market reforms. This has had the consequence that many multinational companies (MNCs) have built up their businesses in China, competing for recruiting Chinese students with a higher education. This study employed a transcendental phenomenological method to explore the expectations of former Chinese International Stu
A persistent controversy in language evolution research has been whether language emerged in the gestural-visual or in the vocal-auditory modality. A "dialectic" solution to this age-old debate has now been gaining ground: language was fully multimodal from the start, and remains so to this day. In this paper, we show this solution to be too simplistic and outline a more specific theoretical propo
Clean technology has become a key feature due to increasing environmental concerns. Swirling flows, being directly associated with combustion performance and hence minimized pollutant formation, are encountered in most propulsion and power-generation combustion devices. In this study, the development process of the conceptual swirl burner developed at the Swedish National Centre for Combustion and
In line with the United Nation Sustainable Development goal #7 (clean and affordable energy), new carbon-neutral fuels need to be investigated. Methanol is a promising alternative e-fuel to fossil fuels for the application in gas turbines. The paper presents a numerical study of the efficient use of green methanol using in a wet Brayton cycle with chemical recuperation. The 1D flame analysis shows
Microsoft Word - abstract GLOW 36.docx 1 The quantificational asymmetry as a language-specific phenomenon Dutch and English are two closely related languages of the Germanic family, yet the acquisition of the Dutch binding principles by Dutch monolingual and Turkish-Dutch bilingual children is different from the acquisition of the English binding principles by English monolingual and Turkish-En
Business model PPT Sardinia 2011 The multiple market-exposure of Swedish municipally owned waste management companies Hervé Corvellec*, Torleif Bramryd** and Johan Hultman* * Department of Service Management ** Environmental Strategy Lund University The business model of Swedish MSW Swedish municipal waste companies are responsible f or a large share of waste collection and waste processing. Their
https://www.ses.lu.se/sites/ses.lu.se/files/oki-business_model_ppt_sardinia_2011.pdf - 2026-05-17
