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<document>
<title>Energy and Mass Transfer in Process Technology</title>
<cid>MAM-7.5</cid>
<bkey>mm0</bkey>
<ctypes>
<hours>6</hours>
<type>V</type>
<hours>2</hours>
<type>U</type>
</ctypes>
<cp>9</cp>
<semester>7</semester>
<mandatory>yes</mandatory>
<language>German</language>
<exam>Prep. of class summaries and worksheets, written exam</exam>
<curriculum>
<curriculum_entry>
<cid>MAM-7.5</cid>
<branch>Engineering and Management</branch>
<semester>7</semester>
<mandatory_tag>mandatory course</mandatory_tag>
</curriculum_entry>
</curriculum>
<workload>
120 class hours (= 90 clock hours) over a 15-week period.The total student study time is 270 hours (equivalent to 9 ECTS credits).There are therefore 180 hours available for class preparation and follow-up work and exam preparation.</workload>
<prerequisites>
</prerequisites>
<knowledge>Bachelor’s degree</knowledge>
<prerequisitesfor>
</prerequisitesfor>
<convenor>Prof. Dr.-Ing. Horst Altgeld</convenor>
<convenor-person-key>hal</convenor-person-key>
<lecturers>
<lecturer>Prof. Dr.-Ing. Horst Altgeld</lecturer>
<lecturer-person-key>hal</lecturer-person-key>
</lecturers>
<objectives>Advanced thermodynamics:
Students will be able to: explain the difference between ideal an real processes; construct and calculate energy balance schemes; calculate the available energy (‘exergy’) and non-available energy (‘anergy’) in a system; explain and calculate idealized thermodynamic cycles involving ideal gases; explain and calculate the steam-turbine process; compute the states of ideal and real mixtures.

Heat transfer:
Students will be able to: solve complex heat transfer problems; compile and compute thermal balance schemes; list, explain and calculate the various mechanisms of heat transfer; perform calculations on simple heat exchanger systems.

Mass transport:
Students will be able to: compile and compute mass balance schemes; list, explain and calculate the various mechanisms of mass transfer; understand and explain the relationship between mass transport and chemical reactions.

Applications in the energy and process industries:
Students will understand, explain and quantitatively analyse the basic operations and equipment used in the energy and process engineering sectors.</objectives>
<content>- Advanced thermodynamics
	- Introduction and basic terminology
		- Equations of state and changes of state; exact differential
		- Equation of state for ‘real’ gases
		- The first law applied to a general, non-stationary system
		- The second law of thermodynamics; available energy (‘exergy’) and non-available energy (‘anergy’) and exergy loss
	- Cyclical processes, Carnot efficiency and figures of merit
		- Exergetic efficiency
		- Idealized cyclical processes with ideal gases
			- Reference cycles: Ericsson (Ackeret Keller) cycle, Stirling cycle, dual cycle, heat pump
	- Pure, real substances and their applications
		- Steam engines (steam turbine)
		- Real one-stage and multi-stage steam turbine processes with irreversible steps
		- Efficiency chain from primary energy to end-use consumption 
	- Thermal and energetic properties of mixtures
		- General properties of mixtures
		- Ideal mixtures
			- State variables
			- Entropy creation from mixing ideal gases
		- Real mixtures
			- Air, steam, water and ice
			- Changes of state in an H-X diagram

Heat transfer:
Non-stationary heat conduction; Analytical solutions to one-dimensional problems; Finite difference methods; Multi-dimensional, non-stationary heat conduction; Cell method; Calculation of simple heat exchangers; Heat transfer involving phase changes (vaporization and condensation) for free and forced convection

Mass transfer:
Fundamentals of mass transfer; Stationary diffusion and convection; Diffusion coefficients gases, liquids and solids; Mass transfer coefficients; Substance-specific and overall mass transfer; Thermal diffusion; Pressure diffusion; Forced diffusion; Non-stationary diffusion; Diffusion and reaction

Applications in the energy sector:
Complex heat transfer; Three-stream heat exchange; Steam generation; Condensation; Cooling (wet-air cooling, back cooling, tower cooling) 

Applications in thermal process engineering:
Introduction and basic terminology; Energy transport and energy balance schemes; Phase diagrams; Drying (properties of drying materials, convection drying, contact drying); Evaporation and concentration; Crystallization (solubility, nucleation, crystal growth); Sublimation; Distillation; Rectification</content>
<media>Guide to lectures; Problems and exercises on topics covered in the lectures; Worksheet problems and topics for presentation</media>
<literature>Cerbe&amp;Hoffmann:  Einführung in die Thermodynamik
Schmidt, Stephan, Mayinger:  Thermodynamik
Hahne, Lüdecke, Lüdecke: Thermodynamik
Elsner:  Technische Thermodynamik
v. Böckh, P.:  Wärmeübertragung
Stephan:  Wärmeübergang beim Kondensieren und beim Sieden
Mersmann, A.:  Stoffübertragung 
Gnielinski, V., et al.:  Verdampfung, Kristallisation, Trocknung
Elsner, N, Dittmann, A.:  Grundlagen der Technischen Thermodynamik II – Wärmeübertragung
VDI Wärmeatlas
Energietechn. Arbeitsmappe
Rohsenow, W.P. et al.:  Handbook of Heat Transfer Vol. I u. II
Vauk, Müller:  Grundoperationen chemischer Verfahrenstechnik
Hemming:  Verfahrenstechnik
Baehr, Stephan:  Wärme- und Stoffübertragung
Cussler:  Diffusion – Mass Transfer in Fluid Systems
Jakubith:  Grundoperationen und chemische Reaktionstechnik
Mulder:  Basic Principles of Membrane Technology
Bockhardt, Güntzschel, Poetschukat:  Grundlagen der Verfahrenstechnik für Ingenieure
Sattler:  Thermische Trennverfahren</literature>
<offered>
</offered>
<moduldb-query>Tue Aug 18 03:28:39 CEST 2026, CKEY=meusidp, BKEY=mm0, CID=[?], LANGUAGE=en, DATE=18.08.2026</moduldb-query>
</document>
