Applied Sciences, 2020 Liquid holdup and wetting efficiency are essential parameters for design of trickle bed reactors. Both parameters play an important role in reactor performance including pressure drop, conversion, and heat transfer.
Hao Deng +4 more
doaj +1 more source
Investigation and prediction of slug flow characteristics in highly viscous liquid and gas flows in horizontal pipes [PDF]
, 2015 Slug flow characteristics in highly viscous liquid and gas flow are studied experimentally in a horizontal pipe with 0.074 m ID and 17 m length. Results of flow regime map, liquid holdup and pressure gradient are discussed and liquid viscosity effects ...
Lao, Liyun, Yeung, H., Zhao, Y.
core +1 more source
An Explicit Analytical Solution for Transient Two-Phase Flow in Inclined Fluid Transmission Lines
Fluids, 2021 Due to the complex nonlinearity characteristics, analytical modeling of compressible flow in inclined transmission lines remains a challenge. This paper proposes an analytical model for one-dimensional flow of a two-phase gas-liquid fluid in inclined ...
Taoufik Wassar +3 more
doaj +1 more source
Dynamics of a three-phase upflow fixed bed catalytic reactor [PDF]
, 1999 A dynamic model of an upflow fixed-bed catalytic reactor is developed to examine numerically transient axial temperature and concentration profiles obtained for the consecutive hydrogenation of 1,5,9-cyclododecateriene on a Pd/Al2O3 catalyst.
Delmas, Henri +4 more
core +2 more sources
ChemEngineering, 2020 Accurate prediction of the hydrodynamic profile is important for circulating fluidized bed (CFB) reactor design and scale-up. Multiphase computational fluid dynamics (CFD) simulation with interphase momentum exchange is key to accurately predict the gas ...
Mukesh Upadhyay +4 more
doaj +1 more source
Heterogeneous Batch Distillation Processes: Real System Optimisation [PDF]
, 2008 In this paper, optimisation of batch distillation processes is considered. It deals with real systems with rigorous simulation of the processes through the resolution full MESH differential algebraic equations. Specific software architecture is developed,
B. Kotai +41 more
core +1 more source
Identification method for flow pattern in upward pipe based on wavelet transform and neural network
You-qi chuyun, 2020 In order to realize the intelligent identification of gas-liquid two-phase flow patterns in upward pipes, the flow pattern identification method based on wavelet transform and probabilistic neural network was proposed.
Shuang LI, Yuxing LI, Dongxu WANG
doaj +1 more source
Hydrodynamics in a cocurrent gas-liquid trickle bed at elevated pressures [PDF]
, 1991 Data on design and operation of trickle beds at elevated pressures are scarce. In this study the influence of the gas density on the liquid holdup, the pressure drop, and the transition between trickle and pulse flow has been investigated in a tricklebed
de Baas, C.M. +6 more
core +3 more sources
PIV measurements in an aerated tank stirred by a down- and up-pumping axial flow impeller [PDF]
, 2004 Liquid phase hydrodynamics in an aerated tank stirred by a down- and an up-pumping pitched blade turbine have been investigated using Particle Image Velocimetry.
Aubin, Joelle +4 more
core +3 more sources
Heterogeneous Extractive Batch Distillation of Chloroform - Methanol – Water : Feasibility and Experiments [PDF]
, 2008 A novel heterogeneous extractive distillation process is considered for separating the azeotropic mixture chloroform – methanol in a batch rectifying column, including for the first time an experimental validation of the process.
Berg +35 more
core +1 more source