Numerical investigation on band-broadening characteristics of an ordered packed bed with novel particles
Sign Up to like & getrecommendations! Published in 2017 at "Applied Energy"
DOI: 10.1016/j.apenergy.2016.03.045
Abstract: Ordered structures are considered as the potential choice to improve the efficiency of separation. Moreover, the pore connectivity and pore size distribution of structured packed beds could be designed to improve the column separation performance.… read more here.
Keywords: separation performance; packed beds; investigation; ordered packed ... See more keywords
Measurement of local wall heat transfer coefficient in randomly packed beds of uniform sized spheres using infrared thermography (IR) and water as working medium
Sign Up to like & getrecommendations! Published in 2017 at "Applied Thermal Engineering"
DOI: 10.1016/j.applthermaleng.2017.07.174
Abstract: Abstract The needs for compact and effective heat transfer equipments are in growing demand and porous media caters to this need. Packed beds are a simple type of porous media devices which help in transport… read more here.
Keywords: packed beds; wall heat; heat transfer; heat ... See more keywords
Simulation of propane-air premixed combustion process in randomly packed beds
Sign Up to like & getrecommendations! Published in 2018 at "Applied Thermal Engineering"
DOI: 10.1016/j.applthermaleng.2018.05.104
Abstract: Abstract Real geometric structures of randomly packed beds are modeled using the discrete element software LIGGGHTS. The wall-adapting local eddy-viscosity (WALE) model and the EBU-Arrhenius combustion model are used to simulate the propane-air premixed combustion… read more here.
Keywords: packed beds; combustion; combustion process; propane air ... See more keywords
Heat transfer to a gas from densely packed beds of monodisperse spherical particles
Sign Up to like & getrecommendations! Published in 2017 at "Chemical Engineering Journal"
DOI: 10.1016/j.cej.2016.12.124
Abstract: Abstract Particle resolved direct numerical simulation (PR-DNS) has emerged as a promising method to improve gas-particle heat transfer closure models. To date, this method has been applied in random and regular particle assemblies at comparably… read more here.
Keywords: densely packed; packed beds; particle; heat transfer ... See more keywords
Influence of confining wall on pressure drop and particle-to-fluid heat transfer in packed beds with small D/d ratios under high Reynolds number
Sign Up to like & getrecommendations! Published in 2019 at "Chemical Engineering Science"
DOI: 10.1016/j.ces.2019.115200
Abstract: Abstract The presence of the confining wall exerts critical influences on packing structure, as well as transport properties of packed beds with small D/d ratios. In the present work, the variations of pressure drop and… read more here.
Keywords: packed beds; fluid; pressure drop; wall ... See more keywords
Influence of material properties on voidage of numerically generated random packed beds
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DOI: 10.1016/j.ces.2020.116406
Abstract: Abstract Numerical studies on random packed beds require information on pellet arrangement. Often, the packing structure is taken for granted and not given much attention. This study presents an investigation of the influence of bed… read more here.
Keywords: material properties; influence; packed beds; numerically generated ... See more keywords
CFD-DEM and PR-DNS studies of low-temperature densely packed beds
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Heat and Mass Transfer"
DOI: 10.1016/j.ijheatmasstransfer.2020.120056
Abstract: Abstract Over the past few decades, granular media is gaining attention as a viable option for heat transfer fluids (HTFs). Several research efforts are studying the use of particle-based heat transfer fluids in a wide… read more here.
Keywords: packed beds; cfd dem; heat transfer; transfer ... See more keywords
Porous structure of cylindrical packed beds with aspect ratios between 1 and 2
Sign Up to like & getrecommendations! Published in 2020 at "Nuclear Engineering and Design"
DOI: 10.1016/j.nucengdes.2019.110451
Abstract: Abstract The paper provides a comprehensive summary of the analysis of the porous structure of cylindrical packed beds with aspect ratios between 1 and 2. For the first time a proper geometrical explanation is given… read more here.
Keywords: packed beds; beds aspect; aspect ratios; porous structure ... See more keywords
Analysing the porous structure of packed beds of spheres using a semi-analytical approach
Sign Up to like & getrecommendations! Published in 2019 at "Powder Technology"
DOI: 10.1016/j.powtec.2018.10.017
Abstract: Abstract In this paper methodologies are described for the analysis of the porous structure of cylindrical and annular packed beds consisting of spheres when the coordinates and sizes of the spheres are known. Methodologies to… read more here.
Keywords: structure packed; packed beds; porous structure; porosity ... See more keywords
Mechanisms governing the “gasification to char oxidation transition” in counter-current flame propagation in packed beds: insights from single-particle experiments
Sign Up to like & getrecommendations! Published in 2020 at "Particulate Science and Technology"
DOI: 10.1080/02726351.2020.1767245
Abstract: Abstract Mechanisms governing the gasification to combustion regime transition in counter-current packed bed biomass systems are investigated in the current work. Single-particle experiments are performed with different oxidizer streams (air, mixtures of O2/CO2) to bring… read more here.
Keywords: char; transition; flame; packed beds ... See more keywords
EXPERIMENTAL RESEARCH OF PRESSURE DROP IN PACKED BEDS OF MONOSIZED SPHERES A NOVEL CORRELATION FOR PRESSURE DROP CALCULATION
Sign Up to like & getrecommendations! Published in 2017 at "Thermal Science"
DOI: 10.2298/tsci161025327s
Abstract: Flow through packed beds of spheres is a complex phenomenon and it has been extensively studied. Although, there is many different correlations there is still no reliable universal equation for prediction of pressure drop. The… read more here.
Keywords: packed beds; pressure drop; correlation; experimental research ... See more keywords