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Dersin Bilgileri

Dersin Adı
Türkçe Yanma
İngilizce Combustion
Dersin Kodu
UCK 427E Kredi Ders
Dönem 3
3 3 - -
Dersin Dili İngilizce
Dersin Koordinatörü İskender Gökalp
Dersin Amaçları Acquire research tools and methodologies to solve combustion related
problems in a carbon constrained world.
• Combustion is a mode of chemical conversion of energy. Several fuels, gaseous liquid or solid, may undergo combustion chemical reactions provided that enough oxidant and ignition heat source are provided.
• Several combustion regimes can be engineered such as laminar or turbulent / premixed or non-premixed / subsonic or supersonic / subcritical or supercritical under various pressure / initial temperature / mixture composition / gravitational conditions.
• Unwanted combustıon phenomena may also occur such as fıres and explosıons.
• Combustion science and technology has today attained a very significant
advancement level, developing experimental, theoretical, computational approaches using several advanced research tools such as laser diagonstics, chemical kinetics and turbulence, theoretical modelling and various numerical approaches, including direct numerical simulations.
• An important feature of combustion studies is their strong interdisciplinary nature mobilizing knowledge areas ranging from chemical kinetics to turbulence, heat transfer, physics, thermodynamics, optics, analytical technics, spectroscopy, and applied mathematics.
• Combustion is today at the heart of energy and environmental challenges. Burning carbon containing fuels emits C2, cause of global warming, and also many other pollutants such as particulate matter and NOx that are hazardous for human health.
• The task for combustion science and technology today is to conceive and optimize new fuels and non-polluting / low / zero carbon emission chemical conversion systems.
• The main topics are combustion of hydrogen and hydrogenated fuels / oxycombustion and carbon capture / energy valorization of organic waste materials by various gasification and pyrolysis processes / hydrogen generation by coal gasification, metal hydrolysis, natural gas pyrolysis / burning of sustainable aviation fuels…
• The course will provide the necessary research and engineering tools for future engineers to become familiar with the state of the art studies in modern combustion science and technology areas
Dersin Tanımı Development of the course
Oriented towards problem solving capacities acquisition
Combustion (or more generally chemical conversion of energy) being an interdisciplinary research and technology domain, several knowledge areas and R&D techniques are needed to be mobilized. Most of the individual knowledge areas composing the combustion domain
are today consigned in textbooks (thermodynamics, transport phenomena, fluid mechanics and turbulence, heat transfer, materials sciences, computational reactive fluid dynamics, optical and laser-based
measurement techniques…).
• Acquiring this archival knowledge will be essentially based on the students’ efforts with the guidance of the instructor. The course topics listed below will be particularly deepened in the weekly courses. A list of major combustion textbooks are provided below and they will be specified for various course contents.
• Attendance of weekly courses is obligatory.
• Grades will be assigned based on students’ performances in midterm exams (1 or 2depending on the progress of the learning process but the total weight for midterms will be 30%), final exam/or term project (40%), homework (30%). The exams wil
judge multifaceted problem-solving capacity of the students and will be based not on equation writing or solving but on real problem solving in a complex situation with various constraints, mostly combustion related technical but not only.
• Term projects will be selected by the students or assigned by the instructor related tothe weekly course topics or from the research projects that the instructor and his research team are developing.
• The goal of the course is to prepare combustion engineering students to outstanding academic carriers in aerospace propulsion & defense and energy & environment related advanced knowledge and technology areas, or to high level executive management carriers in Turkish or international companies in related industrial activity domains, or to entrepreneurship experiences in their own innovative start-up projects.
Dersin Çıktıları • understand the present challenges of combustion science and technology,
• know basic physical, chemical, and thermodynamic concepts that are important in the study of combustion,
• know the fundamentals of chemical processes and the importance of chemical kinetics in the study of combustion,
• know the fundamentals of turbulent processes and multiphase phenomena relevant in the study of combustion,
• comprehend the underlying physics and chemistry of laminar premixed flames,
• comprehend the general characteristics of turbulent premixed flames and understand the basic knowledge on the analytical and modelling approaches to study them,
• comprehend the basic knowledge on multiphase combustion such as atomization, droplet combustion, metal particle combustion, solid fuel combustion, spray and cloud combustion,
• comprehend the basic knowledge on the effects of high pressures, supersonic velocities, supercritical conditions on combustion phenomena,
• understand the recent challenges surrounding combustion applications such as carbon capture and utilization, introduction of hydrogen as a clean fuel...
• understand the recent challenges on the chemical conversion of energy such as gasification and pyrolysis of organic materials (including lignite, biomass and waste streams) CO2 hydrogenation, hybridization of energy systems, circular economy, sector coupling,
• apply the acquired knowledge to challenging combustion problems,
• know how to become curious about the energy issues in general in relation with the environmental issues; how to develop his/her interests in these topics in a rational way through literature search and articulation of several knowledge bodies; learn how to be open to interdisciplinary thinking; learn how to articulate R&D to societal challenges.

At the end of this course, students will

• understand the present challenges of energy and environmental issues related to chemical conversion of energy in general, and related to combustion in particular, both for propulsion and energy applications,
• comprehend the basic phenomena in combustion science and technology for various combustion applications,
• know which knowledge body should be mobilized to understand and solve a combustion problem,
• use the existing state of the art to suggest solutions to solve a combustion problem.

1 introduction to the course: what is it for, presentation of the course approach (for each topic problem position, available R&D tools, state of the art, current R&D ambitions), how we shall work, what shall be demanded from the students, how the work of the students will be judged, what they will be requested etc. Assignment of term projects and seminars to groups of students

2,3 lean turbulent premixed flames (introduction to turbulence, laminar flames, turbulent combustion regimes, laminar and turbulent flame propagation velocities, ignition energies, ignition delays, CO2 diluted combustion, pollutants, NOx…)

4, 5 chemical kinetics of combustion

6,7 lean partially prevaporized flames (liquid fuel atomization regimes, droplet vaporization and combustion, spray combustion)

8 high pressure combustion (high pressure effects in combustion, supercritical combustion)

9 high velocity combustion (supersonic combustion)

10 solid fuels combustion, metal combustion

11 hydrogen combustion (combustion of hydrogenated gaseous mixtures, syngas, hydrogen enriched natural gas, hydrogen risks)

12 sustainable aviation fuels

13,14 rocket propulsion science and technologies
Ders Kitabı Suggested textbooks and readings

Stephen Turns, An Introduction to Combustion. Concepts and Applications. McGraw Hill (2nd Edition), 2000

K.W. Ragland and K.M. Bryden, Combustion Engineering. CRC Press (2nd Edition) 2011

Andrei Lipatnikov, Fundamentals of Premixed Turbulent Combustion. CRC Press, 2013

T. Lieuwen, V. Yang, R. Yetter (Eds.) Synthesis Gas Combustion. Fundamentals and Applications. CRC Press (2010)

J. Warnatz, U. Maas, R. W. Dibble, Combustion. Physical and Chemical Fundamentals, Modeling and Simulation, Experiments, Pollutant Formation. Springer (4th Edition), 2006

Irvin Glassman, Richard A. Yetter, Nick G. Glumac. Combustion. Academic Press (5th Edition), 2015

S.M. Allister, J-Y. Chen, A.C. Fernandez Pello, Fundamentals of Combustion Processes. Springer, 2011

K.K. Kuo, Principles of Combustion. Wiley (2nd. Edition), 2005

C.K. Law, Combustion Physics. Cambridge Univ. Press, 2006

Norbert Peters, Combustion Theory. RWTH Aachen University, 2010

Th. Poinsot and D. Veynante, Theoretical and Numerical Combustion. Edwards, 2001

Santanu De, Avinash Kumar Agarwal, Swetaprovo Chaudhuri, Swarnendu Sen (Eds.) Modeling and Simulation of Turbulent Combustion. Springer, 2018

A.H. Lefebvre and V. G. McDonell, Atomization and Sprays CRC Press (2nd Edition), 2017

A.H. Lefebvre and D.R. Ballal. Gas Turbine Combustion. Alternative Fuels and Emissions. CRC Press (3rd Edition), 2010

G. P. Sutton and O. Biblarz, Rocket Propulsion Elements. Wiley (7t Edition), 2013

H. Tennekes and J.L. Lumley, A First Course in Turbulence. MIT Press, 1972

P.A. Davidson, Turbulence. Oxford Univ. Press (2nd Edition), 2015

U. Frisch, Turbulence, Cambridge Univ. Press, 1995

Marcel Lesieur, Turbulence in Fluids. Springer (4th Edition), 2008
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