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Bao, H. (author), Huang, X. (author), Roekaerts, D.J.E.M. (author)
The Delft Jet-in Hot Coflow (DJHC) burner is used to investigate flameless combustion by imitating the recirculation flow characteristics appearing in a real complex furnace via a hot diluted coflow[1]. A welldefined stream of high temperature, low oxygen concentration combustion products is injected around the...
abstract 2016
document
Huang, X. (author), Tummers, M.J. (author), Roekaerts, D.J.E.M. (author)
Flameless combustion, named as Moderate or Intense Low-oxygen Dilution (MILD) combustion or high-temperature air combustion (HiTAC), is a promising technology to improve the thermal efficiency while suppressing NOx formation in combustion systems. Flameless combustion can occur when fresh air (and/or fuel)...
abstract 2017
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Roekaerts, D.J.E.M. (author), Bao, H. (author), Huang, X. (author), Vasavan, A. (author), van Oijen, J.A. (author), Labahn, J. (author), Devaud, C. (author)
We report on a comparative study of model predictions of jet-in-hot-coflow flames. TheDelft Jet-in-Hot- Coflow (DJHC) burner was built to mimic the important characteristics of flameless combustion without the complications of a real furnace [1,2]. The DJHC burner has been used to create a turbulent diffusion...
abstract 2016
document
Taveau, J.R. (author), Lemkowitz, S.M. (author), Hochgreb, Simone (author), Roekaerts, D.J.E.M. (author)
abstract 2018
document
Huang, X. (author), van Veen, E.H. (author), Tummers, M.J. (author), Roekaerts, D.J.E.M. (author)
abstract 2018
document
Huang, X. (author), Tummers, M.J. (author), Roekaerts, D.J.E.M. (author)
Mild combustion in a lab-scale furnace has been experimentally and numerically studied. The furnace was operated with Dutch natural gas (DNG) at 10 kW and at an equivalence ratio of 0.8. OH∗chemiluminescence images were taken to characterize the reaction zone. The chemiluminescence intensity is relatively low compared to conventional flames...
abstract 2016
document
De, Ashoke (author), Sarras, G. (author), Roekaerts, D.J.E.M. (author)
A probability density function (PDF)-based combustion modeling approach for RANS simulation of a jet issuing into a hot and diluted coflow is performed. A tabulated chemistry-based model, i.e., flamelet-generated manifold (FGM), is adopted in the PDF method. The manifolds are constructed using igniting counterflow diffusion flamelets with...
book chapter 2021
document
Fathi, Mohamad (author), Hickel, S. (author), Roekaerts, D.J.E.M. (author)
Transcritical fuel sprays form an indispensable part of high-pressure energy-conversion systems. Modeling the complex real-fluid effects in the high-pressure multiphase regime of such sprays accurately, especially the hybrid subcritical-to-supercritical mode of evaporation during mixing fuel and oxidizer, is essential and challenging. This...
book chapter 2023
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Louwers, J. (author), Gadiot, G.M.H.J.L. (author), M. Versluis, M. (author), Landman, A.J. (author), Van Der Meer, Th.H. (author), Roekaerts, D. (author)
conference paper 1998
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Ma, L. (author), Naud, B. (author), Roekaerts, D.J.E.M. (author)
MILD Combustion, also known as flameless combustion, is attracting wide scientific interest due to its potential of high efficiency and low NOx emission. This paper focuses on the numerical modeling of one of the ethanol spray flame cases from the Delft Spray-in-Hot-Coflow (DSHC) burner, which has been used to study MILD oxidation of liquid...
conference paper 2014
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Louwers, J. (author), Gadiot, G.M.H.J.L. (author), Landman, A.J. (author), Peeters, T.W.J. (author), Van Der Meer, Th.H. (author), Roekaerts, D. (author)
conference paper 1999
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Pecnik, Rene (author), Smit, S.H.H.J. (author), Patel, A. (author), Roekaerts, D.J.E.M. (author)
In this paper we investigate and compare two dierent solar receiver technologies for concentrated solar power plants operating with supercritical CO2. The rst receiver is based on conventional surface absorbers, while the second receiver is based on an innovative idea to use volumetric receivers where sunlight is transmitted through a...
conference paper 2016
document
Huang, X. (author), Tummers, M.J. (author), Roekaerts, D.J.E.M. (author)
Mild combustion in a lab-scale furnace has been experimentally and numerically studied. The furnace was operated with Dutch natural gas (DNG) at 10 kW and at an equivalence ratio of 0.8. OH∗chemiluminescence images were taken to characterize the reaction zone. The chemiluminescence intensity is relatively low compared to conventional flames...
conference paper 2017
document
Ma, L. (author), Naud, B. (author), Roekaerts, D.J.E.M. (author)
This paper presents a numerical modeling study of one ethanol spray flame from the Delft Spray-in-Hot-Coflow (DSHC) database, which has been used to study Moderate or Intense Low-oxygen Dilution (MILD) combustion of liquid fuels (Correia Rodrigues et al. Combust. Flame 162(3), 759–773, 2015). A “Lagrangian-Lagrangian” approach is adopted where...
journal article 2015
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Li, G. (author), Naud, B. (author), Roekaerts, D. (author)
journal article 2003
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Merci, B. (author), Naud, B. (author), Roekaerts, D. (author)
journal article 2007
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Wouters, H.A. (author), Peeters, T.W.J. (author), Roekaerts, D. (author)
journal article 1996
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Beishuizen, N.A. (author), Naud, B. (author), Roekaerts, D. (author)
journal article 2007
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Van der Voort, M.M. (author), Van den berg, A.C. (author), Roekaerts, D.J.E.M. (author), Xie, M. (author), De Bruijn, P.C.J. (author)
Explosive evaporation of a superheated liquid is a relevant hazard in the process industry. A vessel rupture during storage, transport or handling may lead to devastating blast effects. In order to assess the risk associated with this hazard or to design protective measures, an accurate prediction model for the blast generated after vessel...
journal article 2012
document
Van Veen, E.H. (author), Roekaerts, D. (author)
An optimal system for temperature measurements by coherent anti-Stokes Raman spectroscopy (CARS) in turbulent flames and flows is presented. In addition to a single-mode pump laser and a modeless dye laser, an echelle spectrometer with a cross disperser is used. This system permits simultaneous measurement of the N2 CARS spectrum and the...
journal article 2005
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