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Alons-Hoen, Kristel (author), Somers, Guy (author), van Duin, Ron (author)
Pressure on more sustainable transport and increased congestion provide <br/>opportunities for intermodal transport, but it suffers from unreliable transport times due to a lack of coordination at the operational level. Synchromodal transport can mitigate this effect by taking an integral perspective. It appears that the majority of research to...
journal article 2023
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Bao, Hesheng (author), Akargun, Hayri Yigit (author), Roekaerts, D.J.E.M. (author), Somers, Bart (author)
In this work, an extension of the Flamelet Generated Manifold (FGM) method is developed suitable for igniting turbulent flames. To create the FGM, the strongly stretched flamelet equations (SSFE) are solved. Whereas in the standard basic method a single representative flamelet strain rate is used, in the new method a range of strain rates is...
journal article 2023
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Bao, Hesheng (author), Han, Jinlin (author), Zhang, Yan (author), Di Matteo, Andrea (author), Roekaerts, D.J.E.M. (author), Van Oijen, Jeroen (author), Somers, Bart (author)
In the current work, the Flamelet Generated Manifold (FGM) method is applied with large-eddy simulation (LES) to investigate the effect of methane on dual-fuel (DF) spray ignition. The diesel surrogate n-dodecane is injected as the so-called pilot fuel into selected lean methane–air mixtures, ranging from ϕ<sub>CH<sub>4</sub></sub>=0 to ϕ<sub...
journal article 2023
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de Vos, P. (author), Somers, L.M.T. (author), Tinga, T. (author), Foekema, E.M. (author), van der Zwaan, B. (author), Negenborn, R.R. (author)
Several news items and short movies have appeared online recently, announcing that the AmmoniaDrive Consortium was awarded a prestigious NWO Perspectief grant. But what is the AmmoniaDrive research project? How does it contribute to combatting shipping-induced climate change? Who are in the consortium and why? And finally, what research...
journal article 2022
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Alons-Hoen, Kristel (author), Somers, Guy (author), van Duin, Ron (author)
This article shows the results of our study to determine the general level of synchromodal maturity for shippers and logistics service providers operating in The Netherlands and Belgium. A questionnaire was used to assess the maturity of synchromodal transport for 41. This research extends the literature by applying the model to a broader...
conference paper 2021
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Alons-Hoen, Kristel (author), van Duin, Ron (author), Somers, Guy (author)
journal article 2019
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Alons-Hoen, Kristel (author), Somers, Guy (author), van Duin, Ron (author)
In order to meet emission targets for 2050 in Europe transport needs to be executed more 2 efficiently. A promising way to make transport more efficient is synchromodal transport. When the 3 service provider has more flexibility to arrange transport, the utilization and use of intermodal transport, 4 such as rail, can be increased and emissions...
conference paper 2019
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Alons, Kristel (author), Somers, Guy (author), van Duin, Ron (author)
Synchromodaal transport biedt een oplossing om goederen efficiënter en betrouwbaarder te vervoeren, maar blijkt in de praktijk vaak nog lastig te realiseren. Welke uitdagingen zijn er voor bedrijven van intermodaal naar synchromodaal transport over te schakelen?
report 2019
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Borst, C. (author), Somers, V.L.J. (author), Mulder, Max (author)
Air Traffic Control (ATC) workload is a limiting factor for air traffic growth, creating a need for objective ATC workload metrics. Previous research has shown that the solution space diagram can be a basis for a workload prediction metric. The current solution space metric however, does not incorporate altitude. In this paper, a 3D solution...
journal article 2019
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Strauch, M. (author), Somers, P.A.A.M. (author), Bociort, F. (author), Urbach, Paul (author)
A technique to create aspheric surface shapes on commercially available electrowetting liquid lenses is demonstrated. Based on a previously published surface oscillation model a technique using a Hankel transform is proposed and tested experimentally. An alternating actuation voltage is applied to the liquid lens to stimulate surface...
journal article 2018
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De Keersmaecker, W. (author), Lhermitte, S.L.M. (author), Hill, M.J. (author), Tits, L. (author), Coppin, P. (author), Somers, B. (author)
Within the context of climate change, it is of utmost importance to quantify the stability of ecosystems with respect to climate anomalies. It is well acknowledged that ecosystem stability may change over time. As these temporal stability changes may provide a warning for increased vulnerability of the system, this study provides a methodology...
journal article 2017
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Somers, P.A.A.M. (author), Bhattacharya, N. (author)
Speckle-based interferometry systems are useful tools for measuring vibration patterns at harmonically vibrating objects. The standard method for processing the speckle patterns acquired is to eliminate additive background noise and speckle phase, yielding Bessel-type fringe patterns whose values are proportional to the absolute value of the...
journal article 2016
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Somers, P.A.A.M. (author), Bhattacharya, N. (author)
journal article 2007
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Somers, P.A.A.M. (author), Bhattacharya, N. (author)
Phase stepping algorithms are mostly based on three or more interferograms that can either be acquired sequentially, involving some temporal phase stepping mechanism, or in parallel. When a phase step is applied between acquisitions, object phase changes may cause phase errors when calculating phase. A new system that allows the object to change...
conference paper 2006
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Somers, P.A.A.M. (author), Bhattacharya, N. (author)
A polarization phase stepping method is presented based on the use of a polarization plane rotator that establishes a relative phase shift between two counter-rotating circularly polarized beams. The phase step can be made relatively accurate, since it just depends on the accuracy with which the rotator is manufactured, and not on its...
conference paper 2005
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Somers, P.A.A. (author)
Device and method for obtaining a series of interference patterns from an interferometry device, comprising processing means (21) that are connected to detection means (2) of the interferometry device (1). The processing means (21) comprise computing means (22) and memory means (23) connected to the computing means. The computing means (22) are...
patent 2005
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Somers, P.A.A. (author)
Method and device for the alignment of an interferometer arrangement, which comprises an object beam part (4), a beam splitting part (5) and a beam combination part (6). A detector unit (2) is arranged to detect an interference pattern for two beams that can be differentiated, via each of n optical paths, and the interferometer is aligned by...
patent 2005
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Bhattacharya, N. (author), Somers, P.A.A.M. (author)
Poster of the Optics Research Group TU Delft Supported by the Technology Foundation STW, applied science division of NWO and the technology program of the Ministry of Economic Affairs.
journal article 2005
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Somers, P.A.A.M. (author), Bhattacharya, N. (author)
journal article 2005
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Somers, C.M.G. (author), Klein Breteler, M. (author)
report 1999
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