Transport Phenomena - Delft University of Technology

Robert F. Mudde

R.F. Mudde

Contact details

  • Prof. dr. Robert F. Mudde
  • Vice Dean Faculty of Applied Sciences
  • Professor of Multiphase Flow
  • Dept. Chemical Engineering
  • Delft University of Technology
  • Julianalaan 136, 2628 BL, Delft, The Netherlands
  • Phone: +31-(0)15 27 82834
  • Fax: +31-(0)15-27 82838

Research interests

Multiphase flows

Full publication record

Social Media

Latest publications

  • Characterization of Tio2 Nanoparticles Fluidization Using X-Ray Imaging and Pressure Signals, Jesus Gomez-Hernandez, Sergio Sanchez-Delgado, Evert Wagner, Robert F. Mudde, and J. Ruud van Ommen. Powder Technology 2017, 316  (SI), 446–454.
    [Full Details]     [BibTeX]     Publisher: [DOI] 
  • Lagrangian Modeling of Hydrodynamic-Kinetic Interactions in (Bio) Chemical Reactors: Practical Implementation and Setup Guidelines, Cees Haringa, Henk J. Noorman, and Robert F. Mudde. Chemical Engineering Science 2017, 157 , 159–168.
    [Full Details]     [BibTeX]     Publisher: [DOI] 
  • Inflatable Plastic Solar Still With Passive Condenser for Single Family Use, R. Bhardwaj, M. V. ten Kortenaar, and R. F. Mudde. Desalination 2016, 398 , 151–156.
    [Full Details]     [BibTeX]     Publisher: [DOI] 
  • Euler-Lagrange Computational Fluid Dynamics for (Bio)Reactor Scale Down: an Analysis of Organism Lifelines, Cees Haringa, Wenjun Tang, Amit T. Deshmukh, Jianye Xia, Matthias Reuss, Joseph J. Heijnen, Robert F. Mudde, and Henk J. Noorman. Engineering in Life Sciences 2016, 16  (7), 652–663.
    [Full Details]     [BibTeX]     Publisher: [DOI] 
  • Characterization of Fluidized Nanoparticle Agglomerates by Using Adhesive Cfd-Dem Simulation, Daoyin Liu, Berend G. M. van Wachem, Robert F. Mudde, Xiaoping Chen, and J. Ruud van Ommen. Powder Technology 2016, 304  (SI), 198–207.
    [Full Details]     [BibTeX]     Publisher: [DOI] 


Transport Phenomena App

App for iPhone and Android with tables, graphs, relation & equations, unit conversion and math that is useful for Transport Phenomena, i.e. heat, mass and momentum transport. It can compute terminal velocities of spheres, pressure drops and heat conduction through slabs, cylinders and spheres. The app can be downloaded via itunes and google play.

Problem Solving in Transport Phenomena

Click the image for the web pages on Problem Solving with animations and interactive examples.

Classical Mechanics - basics

Click the image for a concise web page of basic Classical Mechanics.

  • Classical Mechanics & Special Relativity (TN1612TU)
    Classical Mechanics: Newton's laws & Galilei Transformation; Conservation of energy, momentum and angular momentum; central forces & Keppler's laws; two-particle & many particle problems; solid bodies; non-inertial systems & apparent forces; collisions.
    Special Relativity: Einstein's axioms; Lorentz Transformation; length contraction & time dilatation; Minkowski space; Relativistic kinematic & dynamics; four vectors, mass-energy equivalence.
  • Transport Phenomena (CE4052)
    Balance equations & conservation laws; micro- & macro balances; dimensional analysis; drag force; convective & diffusive transport of heat, mass and momentum; Radiation; Nusselt & Sherwood relations; Navier-Stokes equation; laminar flow of Newtonian and non-Newtonian fluids.
  • Thermodynamics & Transport Phenomena for Nano-Biology (NB2011)
    First Law, Heat and Work, Entropy, Enthalpy & Gibbs Energy, Chemical Potential, Osmosis, Balances; Convection-Diffusion, laminar flow

Click for BSc/MSc Projects Test

Research description

In our research, we focus on dispersed multiphase flows, like gas bubbles in water or granular matter and powders in a gas stream. The focus is on industrial reactors, like bubble columns and fluidized beds. However, the research portfolio is broader and at the moment encompasses for example in-line separation of oil from water for the oil and gas production.
Both numerical simulations and advanced experiments are carried out. Some examples are:

Very Uniform Bubbly Flow
Using a special needle sparger (with 561 needles), bubbly flow in a bubble column can be uniform up to 55%. Bubbles rise with virtually all the same velocity and have the sime sizes. The large scale liquid circulation, that is usually present in bubble columns at these gas fractions, is absent.

LDA bubble column Needle Sparger
Animated gif of bubble in x-ray tomograph
Bubble in a fluidized bed, imaged with Xray tomography.
Fast X-ray Tomography

One of the difficulties with experiments in multiphase flows, is the opaque nature of most multiphase systems. Consequently, laser-based techniques are of limited use. However, matter is to a certain extend transparant to X-rays. We exploit this in our fast X-ray CT scanner. With this device we can reconstruct the spatial distribution of the various phases in two parallel cross sections of the reactor. We can go up to maximum a diameter of 40cm, so we can study real reactors. At present we apply our X-ray scanner to bubbling fluidized beds.

Xray setup Xray setup
Animated gif of bubble in x-ray tomograph
View from below with wake indenting the bubble base.

Positions and memberships

  • Distinguished Professor in Science Education
  • Director Delft Teaching Lab & Teaching Academy
  • Acting Chair department of Imaging Physics
  • Former Chair department of Multi-Scale Physics
  • Member Management Team Delft Institute for Process Technology
  • Member National Research School for Fluid Mechanics, "J.M. Burgerscentrum"
  • Member National Research School for Process Technology, "OSPT"
. © Delft University of Technology - TP group 2012