Mass transfer

rapid increase in the use of the stirred tank bioreactors. The volumetric mass transfer coefficient (kLa) is often used to compare the efficiency of the bioreactors and as an important scale-up factor. It characterizes the oxygen mass transfer in stirred tank bioreactors. In the present work, a mathematical and statistical approach was adopted to study the effects of the various experimental variables on volumetric mass transfer coefficient in a 1 L stirred tank bioreactor. Air/water system is used

Nonlinear Heat and mass transfer in MHD Homann nanofluid flow through a porous medium with chemical reaction, heat generation and uniform inflow N.T. EL-Dabe1, H.A. Attia2, M.A.I. Essawy3,* , A.A. Ramadan4, A. H. Abdel-Hamid4 1Department of Mathematics, Faculty of Education, Ain Shams University, Roxy, Heliopolis, Cairo, Egypt 2Department of Engineering Mathematics and Physics, Faculty of Engineering, Fayoum University, 63415, Egypt 3Higher Technological Institute (HTI), 3rd zone, 7th section

Chapter 1 : Introduction Drying is a simultaneous mass and heat transfer process that converts a liquid, solid or semi-solid feedstock into a solid product having lower moisture content. This is usually done by applying heat to evaporate the liquid into a vapor phase. Sometimes drying takes place below the triple point of the liquid to be removed and the solid phase is directly converted to vapor phase via sublimation as in case of freeze drying. [1] As drying must involve a phase change of the liquid

The traditional mass-transfer equipment has been known to have several disadvantages such as flooding, weeping, entrainment, channeling, etc. Further, the above mentioned operational problems were in addition to the technical scale up problems that were faced while the installation

for gas/ liquid separation which have many advantages over conventional direct gas/ liquid techniques such as spray towers and packed/tray columns [6]. In this process, two phases gas phase and an absorbent solvent come into direct contact for mass transfer without the dispersion of one phase into the other due to the presence of the

Thermal radiation effect on heat and mass transfer across steady MHD flow of power-law nanofluid over a rotating disk N.T. EL-Dabe1, H.A. Attia2, M.A.I. Essawy3,* , A.A. Ramadan4, A. H. Abdel-Hamid4 1Department of Mathematics, Faculty of Education, Ain Shams University, Roxy, Heliopolis, Cairo, Egypt 2Department of Engineering Mathematics and Physics, Faculty of Engineering, Fayoum University, 63415, Egypt 3Higher Technological Institute (HTI), 3rd zone, 7th section – P.O Box NO. 4 - 6th of October

Last year, FIFA 17 was the best selling game on the PS4 with over a whopping 10 million units sold worldwide. Not only did it perform exceptionally well on the PlayStation, on all platforms, it came second to Pokemon Sun/Moon on the 3DS. Unquestionably, EA's FIFA series is huge. It's fair to say, certainly by now at least, EA Sports know that they're going to top the sales charts each year. While it's possible this may cause complacency, EA never seem to rest on their laurels. Although last year

Last year, FIFA 17 was the best-selling game on the PlayStation 4 with over 10 million units sold worldwide. Not only did it perform exceptionally well on the PlayStation, across all platforms, only Pokemon Sun/Moon on the 3DS sold more copies. Without doubt, the FIFA franchise is huge and while EA Sports know that they’re likely to top the sales charts each year, I’m happy to report that with FIFA 18, they are not resting on their laurels. Thanks to subtle improvements to the gameplay, as well

Introduction Player transfers assume a focal part in professional football. Each season clubs attempt to build their squads by keeping their best players, exchanging and/or signing others with a definitive point of building a superior team and improving performances on the pitch. Since the Bosman ruling in 1996, the significance of transfers has expanded and has turned into a key part of each club 's core business. Today, it is exceptionally hard to envision the modern form of the sport without

surrounding. The methods by which heat can be transferred are conduction, convection and radiation. Conduction is the transfer of energy from one object to another by contact and it will depends on factors such as surface area of the objects and thermal conductivity, k, is the property that indicates how good conductor of thermal energy is certain material (2). Convection is the transfer of energy due to a bulk motion of a fluid and can only be experimenter by liquids or gases (2). Finally, radiation