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Course outline Review of conduction, resistance concept, extended surfaces, lumped capacitance Radiation Introduction to Convection, boundary layer theory, natural and forced convection, correlations Heat exchangers Interphase


  1. Course outline • Review of conduction, resistance concept, extended surfaces, lumped capacitance • Radiation • Introduction to Convection, boundary layer theory, natural and forced convection, correlations • Heat exchangers • Interphase mass transfer, mass transfer coefficient, theories for interphase mass transfer, overall mass transfer coefficient, correlations • mass transfer with chemical reaction • simultaneous heat and mass transfer • analogy between momentum, heat and mass transfer

  2. Mathematics is a language of science Experimentation is also a language of science In this course … • Science behind (heat and mass) transport processes • Methods to model and analyze • Mathematics as a tool

  3. Applications – in several length and time scales • Consumer items Uptake of detergents, Leaching of dirt, Softeners • Food Lassi making, Uptake rate, Juice making, … • Infrastructure Car (radiators, mufflers, ….), air conditioner, drug manufacturing • Diseases Drug uptake, Cellular transport, Fever, Dialysis … • Environment Global warming, aerosol transport, … • Lot more to come … India needs engineers to come up good, low cost processes

  4. Ramkrishna D, Amundson N. Mathematics in chemical engineering, AIChE J.;50(1):7-23.

  5. Marks distribution (Max. marks 50) Class avg: 28 20 Grading policy Passing score for the course is 40% of the minimum score set for AA. Any score below the passing score will be awarded an FR. Score range for all other grades 10 will be set based on equal divisions between the minimum score for AA and the passing score. 0 0 -- 10 10 -- 15 15 -- 20 20 -- 25 25 -- 30 30 -- 35 35 -- 40 >40

  6. The Light Story • Sir Humphrey Davy (1809) – Arc-lamp between electrodes • de La Rue (1820) – Incandescent lamp (Pt coil in glass tube) • ……. • Joseph Swan (1878) – Evacuated carbon filament lamp • Thomas Edison (1880) – complete incandescent lamp Edison had the tenacity to fully develop an idea … 10 th verse, Chapter 6 कठोपनिषत्

  7. 8 th verse, 33 rd dasaka of “ SrimanNarayaniyam ”, by M. Narayana Bhattatiri Translation Knowledge and austerity will evoke respect only when combined with humility. Thank you and best wishes

  8. 8 th verse in 33 rd dasaka of “ SrimanNarayaniyam ”, by M. Narayana Bhattatiri Translation: Knowledge and austerity will evoke respect only when combined with humility. Thank you and best wishes

  9. 10 th verse, Chapter 6 कठोपनिषत्

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