Ya Zhou, Chaojun Wang, Tao Ren, Changying Zhao,
... machine learning based full-spectrum correlated k-distribution (FSCK) model previously developed by Zhou et al. (2020), ... scenarios. In addition, the previous machine learning based-FSCK model was trained in Python and requires several ... In this paper, a new machine learning based-FSCK model is developed for the radiatively participating species ... and soot, by accurately fitting the gas-soot FSCK look-up table. Major improvements include: (1) The ... learning model; (2) The developed machine learning based-FSCK model now includes gas-soot mixtures, but with ...
Tópico(s): Combustion and flame dynamics
2021 - Elsevier BV | Journal of Quantitative Spectroscopy and Radiative Transfer
Huaqiang Chu, Jean-Louis Consalvi, Mingyan Gu, Fengshan Liu,
... band correlated-k (WBCK), full-spectrum correlated-k (FSCK), spectral-line based weight-sum-of-gray-gases ( ... gases (WSGG). An optimized NBCK model, an optimized FSCK model, and a WBCK model were proposed and ... models. The optimized NBCK model and the optimized FSCK model are much more computationally efficient than the ... little loss in accuracy. The NBCK, WBCK, and FSCK models are accurate and their normalized errors in ... the total pressure. Whatever the pressure considered, the FSCK is found to provide accurate predictions by considering ...
Tópico(s): Wind and Air Flow Studies
2017 - Elsevier BV | Journal of Quantitative Spectroscopy and Radiative Transfer
Chaojun Wang, Michael F. Modest, Boshu He,
The full-spectrum correlated-k-distribution (FSCK) look-up table previously developed by the authors Wang et al. (2018) provides an efficient means for accurate calculations of radiative properties ... radiative transfer equation (RTE) solvers. However, the current FSCK look-up table cannot be combined with statistical ... Wang et al. (2018) for the use of FSCK tables together with photon Monte Carlo (PMC) RTE ... is studied to test the performance of the FSCK/PMC method using both FSCK look-up table and random-number database. Results ...
Tópico(s): Atmospheric and Environmental Gas Dynamics
2018 - Elsevier BV | International Journal of Heat and Mass Transfer
Huaqiang Chu, Mingyan Gu, Jean-Louis Consalvi, Fengshan Liu, Huaichun Zhou,
... grey-gases (WSGG), and full-spectrum correlated-k (FSCK) models. The LBL calculations were conducted using the ... other models. Calculations of the SNB, SNBCK, and FSCK were conducted using both the 1997 EM2C SNB ... models investigated. The errors of both WSGG and FSCK using the 2012 EM2C SNB model parameters increase ... 1997 EM2C SNB model parameters the accuracy of FSCK only slightly decreases with increasing the total pressure.
Tópico(s): Calibration and Measurement Techniques
2015 - Elsevier BV | Journal of Quantitative Spectroscopy and Radiative Transfer
Ya Zhou, Chaojun Wang, Tao Ren,
The full-spectrum correlated-k-distribution (FSCK) look-up table previously developed by Wang et al. (2018) provides an efficient means for accurate calculations of radiative properties in nonhomogeneous ... thermodynamic states. However, the total size of the FSCK look-up table is about 3.2 GB. ... a machine learning approach to accurately fit the FSCK look-up table, in order to provide an efficient and compact FSCK model. Without interpolation on the fly, correct k- ...
Tópico(s): Spectroscopy and Laser Applications
2020 - Elsevier BV | Journal of Quantitative Spectroscopy and Radiative Transfer
Xinyu Li, Zhaohua Liu, Hui Lin, Guangxing Wang, Hua Sun, Jiangping Long, Meng Zhang,
... obtain various datasets or data scenarios. A DC-FSCK approach that integrates feature variable screening and a ... forest (RF) for feature variable selection. The DC-FSCK considers the self-correlation and combination effect among ... estimation models, the proposed variable selection method DC-FSCK led to more accurate GSV estimates compared with ... the fused image Red_Landsat with the DC-FSCK and Stacking algorithm led to the best performance ...
Tópico(s): Remote Sensing in Agriculture
2020 - Multidisciplinary Digital Publishing Institute | Remote Sensing
Chaojun Wang, Boshu He, Michael F. Modest,
The full-spectrum correlated-k-distribution (FSCK) look-up table previously developed by the authors Wang et al. (2018) provides an efficient means for accurate calculations of radiative properties ... properties of particles are impossible to tabulate in FSCK look-up tables since particles of different compositions ... with those of gas-soot mixtures from the FSCK look-up table, two schemes named gas FSK- ... the radiative properties of gas-particle mixtures in FSCK form on-the-fly while the FSK-Gray ...
Tópico(s): Combustion and flame dynamics
2019 - Elsevier BV | International Journal of Heat and Mass Transfer
Xin Yang, Alastair G. Clements, Janos Szuhánszki, Xiaohong Huang, Oscar Farias Moguel, Jia Li, Jon Gibbins, Zhaohui Liu, Chuguang Zheng, D.B. Ingham, Lin Ma, Bill Nimmo, Mohamed Pourkashanian,
... property models, using the full-spectrum correlated k (FSCK) model and Mie theory based data, compared with ... the radiation energy source term obtained from the FSCK property model is higher within the flame region ... non-grey radiation behaviour of gases through the FSCK is enhanced in the large scale furnace as ... term is in much closer agreement between the FSCK and the WSGG for the pilot-scale furnace. ...
Tópico(s): Thermochemical Biomass Conversion Processes
2017 - Elsevier BV | Applied Energy
Vitali Kez, F. Liu, Jean-Louis Consalvi, Jochen Ströhle, Bernd Epple,
... k (WBCK) model, the full spectrum correlated-k (FSCK) model, and several weighted sum of gray gases (WSGG) models. Calculations of SNB, SNBCK, and FSCK were conducted using the updated EM2C SNB model ... the other models considered. Results of SNBCK and FSCK are in good agreement with the benchmark solution. ... WBCK model is less accurate than SNBCK or FSCK. Considering the three formulations of the WBCK model, ...
Tópico(s): Oil, Gas, and Environmental Issues
2015 - Elsevier BV | Journal of Quantitative Spectroscopy and Radiative Transfer
Rodrigo Demarco, Jean-Louis Consalvi, Andrés Fuentes, S. Melis,
... Gases (WSGG) model, the Full-Spectrum Correlated-k (FSCK) model, the Spectral-Line-Based Weighted-Sum-of- ... Spectrum (FS) k-distributions required to run both FSCK and SLW are assembled from the same narrow ... a 2-point Gauss–Legendre quadrature scheme. The FSCK and the SLW, using FS k-distributions assembled ... accuracy and computational requirements. It is found that FSCK predictions remain satisfactory by reducing the number of ...
Tópico(s): Air Quality and Health Impacts
2011 - Elsevier BV | International Journal of Thermal Sciences
Daniel Thomas Pawlak, Eugene E. Clothiaux, Michael F. Modest, Jason N. S. Cole,
Abstract The full-spectrum correlated k-distribution (FSCK) method, originally developed for applications in combustion systems, is adapted for use in shortwave atmospheric radiative transfer. By weighting k distributions by the solar source function, the FSCK method eliminates the requirement that the Planck function ... bands. The resulting two-band approach in the FSCK formalism produces broadband rms clear-sky flux and ... use. An evaluation of fluxes calculated by the FSCK method in cases with idealized clouds demonstrates that ...
Tópico(s): Atmospheric chemistry and aerosols
2004 - American Meteorological Society | Journal of the Atmospheric Sciences
Vitali Kez, Jean-Louis Consalvi, F. Liu, Jochen Ströhle, Bernd Epple,
... band correlated-k (WBCK), full-spectrum correlated-k (FSCK), and weighted-sum-of-grey-gases (WSGG) models, ... the updated EM2C parameters is achieved by the FSCK model. The WBCK model is less accurate. The ... fuel combustion among the six sets considered. The FSCK model offers the best performance in terms of ...
Tópico(s): Thermochemical Biomass Conversion Processes
2017 - Elsevier BV | International Journal of Thermal Sciences
... k (NBCK) model, the full-spectrum correlated k (FSCK) model, the multi-scale full-spectrum k-distribution ( ... fuel-rich core of pool fires. Finally, the FSCK provide predictions within 10% of LBL solutions with ... be considered, improving substantially the predictions of the FSCK. Keywords: Fuel-rich coreGas radiative property modelsPool fireRadiation
Tópico(s): Atmospheric chemistry and aerosols
2014 - Taylor & Francis | Combustion Science and Technology
Xinyu Li, Hui Lin, Jiangping Long, Xiaodong Xu,
... distance correlation coefficient and k-nearest neighbors (DC-FSCK). The comparison indicated that the AFCO program not ... those of RF, SRF, KNN-FIFS, and DC-FSCK, respectively. The GSV distribution map obtained by the ...
Tópico(s): Forest ecology and management
2021 - Multidisciplinary Digital Publishing Institute | Remote Sensing
Produção Nacional
Revisado por pares
Jean-Louis Consalvi, Frédéric André, Felipe Ramos Coelho, Francis França, Fatiha Nmira, Mathieu Galtier, Vladimir P. Solovjov, Brent W. Webb,
... Two versions of the full-spectrum correlated k (FSCK) model, the Rank-Correlated full-spectrum k-distribution/ ... relevant comparison. Model results suggest that the SLW/FSCK methods coupled to the so-called improved scheme ...
Tópico(s): Wind and Air Flow Studies
2020 - Elsevier BV | Journal of Quantitative Spectroscopy and Radiative Transfer
Yuying Liu, Guanghai Liu, Fengshan Liu, Jean-Louis Consalvi,
... flames. The Full-Spectrum Correlated K-distribution methods (FSCK) with the original correlated-K solution scheme (Modest ... RC-FSK demonstrates almost the same accuracy as FSCK with the hybrid scheme when the Planck temperature ...
Tópico(s): Air Quality and Health Impacts
2020 - Elsevier BV | Applied Thermal Engineering
Vitali Kez, Jean-Louis Consalvi, Fengshan Liu, Tim Gronarz, Jochen Ströhle, Reinhold Kneer, Bernd Epple,
... the NBCK model. The full-spectrum correlated-k (FSCK) scheme proposed by Modest and Riazzi (2005) based ... heat fluxes. Thus, it is concluded that the FSCK model is appropriate to model the radiative heat ...
Tópico(s): Combustion and flame dynamics
2019 - Elsevier BV | International Journal of Heat and Mass Transfer
Alastair G. Clements, S. Black, Janos Szuhánszki, Katarzyna Stęchły, A. Pranzitelli, W. Nimmo, Mohamed Pourkashanian,
... gases (WSGG) and the full-spectrum correlated k (FSCK) model, while the LES case was calculated using the FSCK radiation model. The results show that the choice ...
Tópico(s): Thermochemical Biomass Conversion Processes
2015 - Elsevier BV | Fuel
... k (NBCK) model, the full-spectrum correlated-k (FSCK) model, the multi-scale full-spectrum k-distribution ( ... heat transfer through the fuel rich core. The FSCK model presents the best compromise in terms of ...
Tópico(s): Combustion and flame dynamics
2014 - Elsevier BV | International Journal of Thermal Sciences
Jean-Louis Consalvi, Rodrigo Demarco, Andrés Fuentes,
... modelled by using the Full-Spectrum Correlated-k (FSCK) method. Turbulence-Radiation Interactions (TRI) are taken into ... in Computer Processing Unit (CPU) time when the FSCK is used to treat gas radiation. Keywords: radiationFSCKturbulence- ...
Tópico(s): Fire dynamics and safety research
2012 - Taylor & Francis | Combustion Theory and Modelling
Jean-Louis Consalvi, Rodrigo Demarco, Andrés Fuentes, S. Melis, J.P. Vantelon,
... SNBCK) and the Full Spectrum Correlated k model (FSCK). Full spectrum (FS) k-distributions are assembled from ... band (NB) databases. It is found that the FSCK can be used with confidence in such problems ...
Tópico(s): Combustion and flame dynamics
2012 - Elsevier BV | Fire Safety Journal
... longwave spectrum. The resulting full-spectrum correlated-k (FSCK) method requires significantly fewer pseudomonochromatic calculations than standard ... the heating rates and fluxes calculated by the FSCK method from line-by-line calculations for a ...
Tópico(s): Atmospheric chemistry and aerosols
2010 - American Meteorological Society | Journal of the Atmospheric Sciences
Xiaojing Sun, Philip J. Smith,
... of the scaled FSK (FSSK) and correlated FSK (FSCK) methods for the case, such as g point ... carried out. The results from the FSSK and FSCK are only affected by the chosen reference states ...
Tópico(s): Combustion and flame dynamics
2009 - ASM International | Journal of Heat Transfer
Hongmei Zhang, Michael F. Modest,
... as well as the full-spectrum correlated-k (FSCK) model, the new model may be used with ... compared with line-by-line benchmarks and the FSCK model, showing very good accuracy in situations with ...
Tópico(s): Calibration and Measurement Techniques
2002 - Elsevier BV | Journal of Quantitative Spectroscopy and Radiative Transfer
Farid Alinejad, Hadi Bordbar, Simo Hostikka,
... this paper, a new solution form for the FSCK method is presented which accurately accounts for both. This so-called "separated" form of FSCK method solves the contributions of medium emission and ... different reference temperatures. The advantages of the separated FSCK method is exhibited through three case studies using ... irradiation at the boundary. The separated form of FSCK exhibits its best performance when the incident intensity ... phase, the accuracy of both separated and classical FSCK solutions decreases, though, the separated solution still provides ...
Tópico(s): Fire dynamics and safety research
2021 - Elsevier BV | International Journal of Heat and Mass Transfer
Yuying Liu, Kunlin Liu, Guanghai Liu,
... radiating gases. The Full-Spectrum Correlated K-distribution (FSCK) methods with original correlated-K scheme (Modest and ... oxy-fuel flames. To improve the accuracy of FSCK, the accuracy of the Multi-Group FSK (MGFSK) ... and grouping strategies demonstrate better accuracies than corresponding FSCK for both dry and wet oxy-fuel flames. MGFSK reduce the dependence of FSCK on the reference (or Planck) temperature and flame ...
Tópico(s): Air Quality and Health Impacts
2020 - Elsevier BV | Applied Thermal Engineering
Guanghai Liu, Yuying Liu, Fengshan Liu, Jean-Louis Consalvi, Jiale Xu,
... accuracy of the Full-Spectrum Correlated K-distribution (FSCK) method in calculations of nongray-wall radiative heat ... efficiency, a nongray-wall emissivity model for the FSCK method is proposed based on uniform-medium assumption. ... show that the nongray-wall emissivity model for FSCK demonstrates much better accuracy than the gray-wall ...
Tópico(s): Combustion and flame dynamics
2021 - Elsevier BV | International Journal of Heat and Mass Transfer
Junjun Guo, Xudong Jiang, Hong G. Im, Zhaohui Liu,
... phase media. The full spectrum correlated k-distributions (FSCK) model was used to calculate the radiative property ...
Tópico(s): Thermochemical Biomass Conversion Processes
2022 - Elsevier BV | Combustion and Flame
Yuying Liu, Jinyu Zhu, Guanghai Liu, Fengshan Liu, Jean-Louis Consalvi,
... The accuracy of Full-Spectrum Correlated K-distribution (FSCK) methods with the original scheme (Modest and Zhang, ...
Tópico(s): Advanced Combustion Engine Technologies
2022 - Elsevier BV | International Journal of Thermal Sciences
Runzhou Han, Om Rameshwar Gatla, Mai Zheng, Jinrui Cao, Di Zhang, Dong Dai, Yong Chen, Jonathan E. Cook,
... observed in BeeGFS and its recovery component BeeGFS-FSCK. We analyze the root causes of the abnormal ...
Tópico(s): Advanced Data Storage Technologies
2022 - Association for Computing Machinery | ACM Transactions on Storage