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Träfflista för sökning "LAR1:lu ;pers:(Zhu J.)"

Search: LAR1:lu > Zhu J.

  • Result 1-10 of 417
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1.
  • Ehn, A., et al. (author)
  • Investigations of microwave stimulation of a turbulent low-swirl flame
  • 2017
  • In: Proceedings of the Combustion Institute. - : Elsevier BV. - 1540-7489. ; 36:3, s. 4121-4128
  • Journal article (peer-reviewed)abstract
    • Irradiating a flame by microwave radiation is one of several plasma-assisted combustion (PAC) technologies that can be used to modify the combustion chemical kinetics in order to improve flame-stability and to delay lean blow-out. One practical implication is that engines may be able to operate with leaner fuel mixtures and have an improved fuel flexibility capability including biofuels. In addition, this technology may assist in reducing thermoacoustic instabilities that may severely damage the engine and increase emission production. To examine microwave-assisted combustion a combined experimental and computational study of microwave-assisted combustion is performed for a lean, turbulent, swirl-stabilized, stratified flame at atmospheric conditions. The objectives are to demonstrate that the technology increases both the laminar and turbulent flame speeds, and modifies the chemical kinetics, enhancing the flame-stability at lean mixtures. The study combines experimental investigations using hydroxyl (OH) and formaldehyde (CH2O) Planar Laser-Induced Fluorescence (PLIF) and numerical simulations using finite rate chemistry Large Eddy Simulations (LES). The reaction mechanism is based on a methane (CH4)-air skeletal mechanism expanded with sub-mechanisms for ozone, singlet oxygen, chemionization, electron impact dissociation, ionization and attachment. The experimental and computational results show similar trends, and are used to demonstrate and explain some significant aspects of microwave-enhanced combustion. Both simulation and experimental studies are performed close to lean blow off conditions. In the simulations, the flame is gradually subjected to increasing reduced electric field strengths, resulting in a wider flame that stabilizes nearer to the burner nozzle. Experiments are performed at two equivalence ratios, where the leaner case absorbs up to more than 5% of the total flame power. Data from experiments reveal trends similar to simulated results with increased microwave absorption.
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2.
  • Jelvez Serra, N. S., et al. (author)
  • Identification of stable fly attractant compounds in vinasse, a byproduct of sugarcane–ethanol distillation
  • 2017
  • In: Medical and Veterinary Entomology. - : Wiley. - 0269-283X. ; 31:4, s. 381-391
  • Journal article (peer-reviewed)abstract
    • The stable fly, Stomoxys calcitrans (Diptera: Muscidae), is a worldwide pest of livestock. Recent outbreaks of stable flies in sugarcane fields in Brazil have become a serious problem for livestock producers. Larvae and pupae found inside sugarcane stems after harvesting may indicate that stable flies use these stems as potential oviposition or larval development sites. Field observations suggest that outbreaks of stable flies are associated with the vinasse and filter cake derived from biomass distillation in sugarcane ethanol production that are used as fertilizers in sugarcane fields. Adult stable flies are attracted to vinasse, which appears to present an ideal larval development site. The primary goal of the present study is to demonstrate the role of vinasse in influencing the sensory physiological and behavioural responses of stable flies, and to identify its associated volatile attractant compounds. Both laboratory and field studies showed that vinasse is extremely attractive to adult stable flies. Chemical analyses of volatiles collected revealed a wide range of carboxylic acids, alcohols, phenols and aldehydes as potential attractant compounds. These newly identified attractants could be used to develop a tool for the attractant-baited mass trapping of stable flies in order to reduce infestations.
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  • Result 1-10 of 417
Type of publication
journal article (415)
conference paper (1)
research review (1)
Type of content
peer-reviewed (416)
other academic/artistic (1)
Author/Editor
Arai, Y. (312)
Aad, G (311)
Abbott, B. (311)
Abdinov, O (311)
Adye, T. (311)
Albrand, S. (311)
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Aleksa, M. (311)
Aleksandrov, I. N. (311)
Alexander, G. (311)
Alexopoulos, T. (311)
Amako, K. (311)
Amelung, C. (311)
Amram, N. (311)
Anastopoulos, C. (311)
Ancu, L. S. (311)
Andari, N. (311)
Anderson, K. J. (311)
Annovi, A. (311)
Antonelli, M. (311)
Antonov, A. (311)
Arabidze, G. (311)
Arnaez, O. (311)
Asai, S. (311)
Asquith, L. (311)
Assamagan, K. (311)
Avolio, G. (311)
Bachacou, H. (311)
Backes, M. (311)
Backhaus, M. (311)
Baines, J. T. (311)
Baker, O. K. (311)
Banas, E. (311)
Barisonzi, M. (311)
Barklow, T. (311)
Barlow, N. (311)
Barnett, R. M. (311)
Barone, G. (311)
Barton, A. E. (311)
Bates, R. L. (311)
Batley, J. R. (311)
Bauer, F. (311)
Beau, T. (311)
Beck, H. P. (311)
Belanger-Champagne, ... (311)
Bella, G. (311)
Bellomo, M. (311)
Beltramello, O. (311)
Benary, O. (311)
Benekos, N. (311)
Benhammou, Y. (311)
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University
Lund University (417)
Stockholm University (291)
Royal Institute of Technology (289)
Uppsala University (289)
Karolinska Institutet (4)
Högskolan Dalarna (2)
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University of Gothenburg (1)
Chalmers University of Technology (1)
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Language
English (417)
Research subject (UKÄ/SCB)
Natural sciences (411)
Medical and Health Sciences (4)
Engineering and Technology (2)
Agricultural Sciences (1)

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