IDENTIFYING DATA 2023_24
Subject (*) THERMAL ENGINEERING Code 20244119
Study programme
Bachelor's Degree in Food Bioprocess Technology (2018)
Cycle 1st
Descriptors Credits Type Year Period
6 Compulsory Second 1Q
Language
Castellà
Department Mechanical Engineering
Coordinator
BOUROUIS CHEBATA, MAHMOUD
E-mail mahmoud.bourouis@urv.cat
Lecturers
BOUROUIS CHEBATA, MAHMOUD
Web
General description and relevant information <p><b>GENERAL DESCRIPTION OF THE SUBJECT</b></p><p> Study of heat transfer mechanisms. Development ofmethodologies that facilitate the identification and calculation of themechanisms present in a heat transfer process and the application to differentcases of interest. Establish the calculation bases for heat transfer systemsand/or equipment. Fundamentals of cold and air conditioning techniques. </p>

Competences
Type A Code Competences Specific
 A1.1 Effectively apply knowledge of basic, scientific and technological subjects pertaining to engineering.
 A1.5 Apply the principles of engineering in the context of the life sciences to define conditions and strategies that make it possible to design and optimise the production processes of biological systems.
 A4.2 Ability to understand and use the principles of heat transfer and their application in the design of equipment and/or systems.
Type B Code Competences Transversal
 B1.5 Use ICT to efficiently manage information and knowledge (CT2)
 B4.1 Learn effective ways to assimilate knowledge and behaviour.
Type C Code Competences Nuclear

Learning outcomes
Type A Code Learning outcomes
 A1.1 Coneix, comprèn i utilitza els principis d'Enginyeria del medi rural: càlcul d'estructures i construcció, hidràulica, motors i màquines, electrotècnia, projectes tècnics.
 A1.5 Utilitza els coneixements adquirits en el càlcul de sistemes i equips de transferència de calor.
Calcula la càrrega tèrmica d'una cambra frigorífica.
Resol problemes de disseny en grup.
 A4.2 Coneix els mecanismes de transferència de calor: conducció, convecció i radiació.
Identifica i diferencia els mecanismes que actuen en problemes de transferència de calor.
Empra les magnituds físiques, els sistemes d'unitats i les xifres significatives correctament.
Coneix l'ordre de magnitud de les variables.
Aplica els mètodes de càlcul per a cada un dels mecanismes de transferència de calor.
Coneix el funcionament dels equips de refrigeració per compressió mecànica de vapor.
Aprèn a gestionar el diagrama psicomètric i els diagrames h-p dels refrigerants.
Busca a la literatura els valors de les propietats físiques i termodinàmiques.
Type B Code Learning outcomes
 B1.5 Coneix el maquinari bàsic dels ordinadors.
Coneix el sistema operatiu com a gestor del maquinari i el programari com a eina de treball.
Utilitza programari per a comunicació: editors de textos, fulls de càlcul i presentacions digitals.
Utilitza programari per a comunicació virtual: eines interactives (web, moodle, blocs..), correu electrònic, fòrums, xat, vídeo-conferències, eines de treball col·laboratiu etc.
Localitza i accedeix a la informació de manera eficaç i eficient.
 B4.1 Desenvolupa estrategies pròpies per resoldre problemes i trobar solucions.
Type C Code Learning outcomes

Contents
Topic Sub-topic
1. Introduction - Heat transmission mechanisms.
- Fundamental concepts and basic modes of heat transmission.
- Electrical analogy. Series and parallel heat transfer mechanisms.
2. One-dimensional conduction in a stationary regime without heat generation - General driving equation.
- Flat cylindrical and spherical geometry.
- Heat transfer through fins.
3. Convection - Fundamental concepts in heat transfer by convection.
- Dimensionless numbers for the calculation of convection coefficients.
- Heat transfer by forced convection in external flow.
- Heat transfer by convection in the internal flow in pipes and ducts.
- Natural convection.
- Heat transfer in boiling and condensation.
4. Heat exchangers - Types of heat exchangers.
- Selection criteria. Selection between possible options.
- Global heat transfer coefficient.
- Average logarithmic temperature difference.
- NTU method for the design and analysis of a heat exchanger.
- Kern method for the calculation of shell and tube exchangers without phase change.
5. Industrial cooling - Thermodynamics and physical principles of refrigeration.
- Refrigerant fluids, nomenclature, properties, and environmental problems.
- Cooling by mechanical vapor compression.
- Psychometry
- Thermal load of refrigerating chambers.

Planning
Methodologies  ::  Tests
  Competences (*) Class hours
Hours outside the classroom
(**) Total hours
Introductory activities
1 0 1
Lecture
A1.1
A1.5
A4.2
B4.1
36 48 84
Problem solving, exercises in the classroom
A1.1
A1.5
A4.2
B4.1
14 40 54
Personal attention
1 0 1
 
Multiple-choice objective tests
A1.1
A1.5
A4.2
B4.1
2 2 4
Multiple-choice objective tests
A1.1
A1.5
A4.2
B4.1
2 2 4
Practical tests
A1.1
A1.5
A4.2
B1.5
B4.1
2 0 2
 
(*) On e-learning, hours of virtual attendance of the teacher.
(**) The information in the planning table is for guidance only and does not take into account the heterogeneity of the students.

Methodologies
Methodologies
  Description
Introductory activities Presentation of the objectives and contents of the subject.
Lecture Presentation of the contents of the subject. Combination of lecture class and case studies.
Problem solving, exercises in the classroom Formulation, analysis, solving problems or exercises, related to the subject matter.
Personal attention Advice to the student in the development of his work in the subject.

Personalized attention
Description

Tutorials will take place online, by email or via Teams meetings. E-mail: mahmoud.bourouis@urv.cat


Assessment
Methodologies Competences Description Weight        
Practical tests
A1.1
A1.5
A4.2
B1.5
B4.1
Design of a process plant (API).
15
Multiple-choice objective tests
A1.1
A1.5
A4.2
B4.1
Intermediate individual test using short conceptual questions and problems on the content provided so far. 40
Multiple-choice objective tests
A1.1
A1.5
A4.2
B4.1
Individual test at the end of the academic period which can be global or restricted according to the previous performance of the students. 45
Others  
 
Other comments and second exam session
1. For students who do not take API, the details of the assessment will be specified in the subject's Moodle.

2. The minimum grade in each of the continuous assessment tests is 3/10.

3. The exam of the second call will be of all the subject material and will have a weight of 100%.

4. During the assessment tests, mobile phones, tablets and other electronic devices that are not expressly authorized by the test must be switched off and out of sight.

Sources of information

Basic Mahmoud Bourouis, Ingeniería Térmica, Universitat Rovira i Virgili, 2023
Incropera, F.P.; DeWitt, D.P., Fundamentos de transferencia de calor, Prentice Hall; 4a Ed., Mèxic, 1999
Çengel, Y.A., Heat transfer: A practical approach, McGraw-Hill, 1998

Complementary

Recommendations


Subjects that it is recommended to have taken before
COMPUTING IN PROCESS ENGINEERING/20234002
FLUID MECHANICS ENGINEERING/20234110
(*)The teaching guide is the document in which the URV publishes the information about all its courses. It is a public document and cannot be modified. Only in exceptional cases can it be revised by the competent agent or duly revised so that it is in line with current legislation.