The transfer of the components from the feed to the solvent is controlled by the solubility behavior. These calculations with their applications in many chemical engineering fields mass transfer, heat transfer, chemical kinetics,etc. Heat mass transfer analogy laminar boundary layer as noted in the previous chapter, the analogous behaviors of heat and mass transfer have been long recognized. Nptel chemical mass transfer operation 1 module 6 humidification and air conditioning lecture no. The species transferred to the liquid phase are referred to as solutes or absorbate. Me6502 hmt notes, heat and mass transfer lecture notes. The equation for conservation of chemical species expresses the conservation.
So far, we have dealt basically with pure component systems. In this first course, momentum transfer is studied thus involving the motion and deformation of fluids a. Ht1 introduction to engineering heat transfer these notes provide an introduction to engineering heat transfer. Correlation of mass transfer coefficients for single cylinder. Design of packed column absorber based on the individual mass transfer coefficient duration.
It means the concentration of the diffusing species at the start t 0 expressed in mass or molar units. Outside of this, the composition is uniform due to wellmixedness e. Nptel chemical engineering mass transfer operations i. Note the analogy to heat transfer, where in module 6 convection, for the. Upon completion of this course the students will be able. Heat and mass transfer study notes hand written free. To classify and use the accurate engineering correlations of diffusion and mass transfer coefficients to model a separation process. Download link is provided and students can download the anna university me6502 heat and mass transfer hmt syllabus question bank lecture notes syllabus part a 2 marks with answers part b 16 marks question bank with answer, all the materials are listed below for the students to make use of it and score good maximum marks with our study materials. Mass transfer boundary layer theory 93 in addition to this, fluidsolid interfaces have been investigated intensely with respect to heat transfer.
The above equation is the barometric equation and is used to calculate the pressure at any level above ground. We can make use of this due to the analogy between heat momentum and mass transfer. In the field of gas turbine heat transfer, several experimental studies have been done with mass transfer because of. Write ficks law and convective mass transfer equation. Interface balance equations balance at the interface surface generic transport equation massaveraged velocity.
An example is the heating up of gas turbine compressors as they are brought up to speed during takeoff. Draft notes me 608 numerical methods in heat, mass, and momentum transfer instructor. There is scarcely any industrial process that does not require a preliminary purification of raw materials or final separation of products. Derivation of the diffusion equation using ficks law. You are interested in experimentally determining the mass transfer coefficient for a particular application. Acces pdf solution of treybal mass transfer operations solution of treybal mass transfer operations mod01 lec37 diffusion mass transfer problems convective heat and mass transfer by prof.
Numerical methods in heat, mass, and momentum transfer. The equation of continuity, lecture notes, read from the site or after downloading pdf, 274 kb. Pdf me6502 heat and mass transfer lecture notes, books. Download link is provided and students can download the anna university ma6351 transforms and partial differential equations tpde syllabus question bank lecture notes syllabus part a 2 marks with answers part b 16 marks question bank with answer, all the materials are listed below for the students to make use of it and score good maximum marks with our study materials. Chemical engineering advanced heat and mass transfer nptel. The derivation will be repeated here in summarized form. The mass transfer coefficient is defined as the rate of mass transfer as we know is.
Download me6502 heat and mass transfer lecture notes, books, syllabus parta 2 marks with answers me6502 heat and mass transfer important partb 16 marks questions, pdf books. Heat and mass transfer video notes nptel lecturenotes. Mass transfer operations i introduction video youtube. The total mass concentration is the density of the mixture which is the total mass of the mixture per unit volume.
When we have more than one species present, and composition gradients occur, individual species will move from one location. Nptel syllabus mass transfer operations i web course course outline the importance of mass transfer operations in chemical processes is insightful. Basic principles and calculations in chemical engineering. In this 31st lecture, we will begin with convective mass transfer.
Transfer nptel mass transfer nptel eventually, you will enormously discover. Deriving the differential equations of mass transfer derives the differential equations for mass transfer using the integral method and shell. Equimolar counterdiffusion of a and b na nb correlation for convective mass transfer coefficient. Interphase mass transfer the transport of mass within a single phase depends directly on the concentration gradient of the transporting species in that phase. Chemical engineering mass transfer operations i nptel. So, let us see let us note down on this also that in step two now once we have. To demonstrate about gas liquid, vapour liquid and solid liquid and liquidliquid equilibrium. Nptel chemical engineering mass transfer operations i ch303 mass transfer operations i. If the temperature t is a function of the height z, then before integration you have to get the relation between t and z then substitute into equation 2. To describe a mass transfer process by the differential equations of mass transfer the initial and boundary conditions must be specified. Department of chemical and biomolecular engineering. Chemical and biomolecular engineering clarkson university heat transfer is the study of december 29th, 2018 nptel mechanical engineering heat and mass transfer. Schematic representation of adiabatic saturation of air. Mass may also transport from one phase to another, and this process is called interphase mass transfer.
The generic model for a one degreeoffreedom system is a mass connected to a linear spring and a linear viscous damper i. Lecture 33 introduction to mass transfer 1 youtube. Mass transfer coefficient concept and classifications nptel. Pdf me6502 heat and mass transfer hmt books, lecture. Pdf ma6351 transforms and partial differential equations. Mass transfer is the net movement of mass from one location to another or travel of individual chemical species from highconcentration regions to lowconcentration regions. You have a device where a number of system properties can be varied. Course outline, introduction and examples of transport problems.
Convective heat transfer is ubiquitous to many domains ranging from large scale power generation to microscale flow. This equation can also be represented as a temperature difference divided by a thermal resistance, which is it can be shown that a very low surface resistance, as might be represented by phase change phenomena, has the effect of imposing the. Heat transfer through fins introduction convection heat transfer between a hot solid surface and the surrounding colder fluid is governed by the newtons cooling law which states that the rate of convection heat transfer is directly proportional to the temperature difference between the hot surface. Because of its mathematical form, the mass springdamper system will be used as the baseline for analysis of a one degreeoffreedom system. Write convection heat transfer equations, indicate typical convective heat transfer coefficients. The course will first cover the basics of conservation equations in generalized convective heat transfer systems. Mass transfer coefficient concept and classifications dimensionless groups and. As part of nptel mooc on introduction to research, the youtube links for videos on group discussion and the module on literature survey are. Download me6502 heat and mass transfer lecture notes, books, syllabus parta 2 marks with answers me6502 heat and mass transfer important partb 16 marks questions, pdf books, question bank with answers key.
Gradients in the boundarytangential direction are negligible compared to boundarynormal gradients. Humidification chamber insulated wall air out at t, ys as air in at tg, y water spray makeup water at tas water at tas pump figure 6. Heat transfer equation sheet heat conduction rate equations fouriers law. So, note this definition of b, which we shall repeatedly encounter. Anna university regulation 20 mechanical engineering mech me6502 hmt notes for all 5 units are provided below. Mass transfer introduction to chemical and biological. This course introduces the topic of transport phenomena, which involves the development of mathematical models and physical understanding of the transfer of momentum, energy and mass.
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