TEP4185 - Gas Technology


Examination arrangement

Examination arrangement: Portfolio assessment
Grade: Letter grades

Evaluation Weighting Duration Grade deviation Examination aids
Home examination 70/100 4 hours
Oral examination 15/100 15 minutes F
Oral examination 15/100 15 minutes F

Course content

The course comprises selected industrial applications of industrial process systems and energy conversion processes, with emphasis on natural gas. Introductorily, an overview of important problems and challenges in Norwegian gas industry is given. Then some selected applications are treated in more detail. These applications are natural gas processing, natural gas power plants and LNG-technology. Hydrogen as well as carbon capture and storage (CCS) are also covered. The course is taught in close cooperation with relevant Norwegian industry.

Learning outcome

The course provides the student with knowledge about: - The natural gas value chain from well to market - How to describe central process units and some of the main equipment in the chain - Mathematical models used in HYSYS process simulator and programmed in Python - Processes for removal of H2S and CO2 from natural gas - The elements of LNG chains with main focus on natural gas liquefaction technology - Basic thermodynamic properties and characteristics of LNG - Natural gas purification needs and quality specifications for LNG - LNG plant block diagrams - Process flow diagrams and principles for the major types of liquefaction processes - Optimization of single mixed refrigerant processes. - Cryogenic heat exchanger principles - Gas turbine based power generation, with respect to unit operations involved and system integration - Fluid flow in turbo machinery; compressors and turbines, as well to understanding how thermal energy is converted to work - Steam production in Heat Recovery Steam Generators (HRSG) - Operational characteristic of a gas turbine; compressor map, turbine map, choking conditions for pressure determination. - Basic control of gas turbines - Hydrogen processes and carbon capture and storage. The course gives the student insight about: - Natural gas processing - Production and handling of LNG - Power generation and cogeneration with natural gas Skills: The course should enable the student to: - Establish process simulation models for gas processing steps in the process simulator HYSYS. - Construction of heating/cooling curves of LNG processes by the use of HYSYS. - The student shall be able to calculate an off-design and or part-load conditions of a gas turbine. - How to calculate the steam production in HRSGs. General competence: The course should give the student: - Insight in industrial processes based on thermodynamics and mass and heat transfer. Further, the student should develop skills in applying basic theory in solving engineering problems.

Learning methods and activities

Lectures and computer exercises with a process simulation tool and programming in Python. The lectures, exercises, and exam are in English.

Compulsory assignments

  • Exercises

Further on evaluation

Portofolio assessment is the basis for the grade in the course. The portfolio includes a written exam (70%) and two oral exams (each 15%).

If there is a re-sit examination, the examination form may be changed from written to oral.

For a re-take of examination, all assessments during the course must be re-taken.

For a re-take of an examination, assignments shall not be re-taken. Assignment scores from first attempt will be used.

Course materials


Credit reductions

Course code Reduction From To
SIO4030 7.5
More on the course



Version: 1
Credits:  7.5 SP
Study level: Second degree level


Term no.: 1
Teaching semester:  AUTUMN 2021

Language of instruction: English

Location: Trondheim

Subject area(s)
  • Energy and Process Engineering
  • Petroleum Engineering
  • Thermal Energy and Hydropower
  • Chemical Engineering
  • Chemical Engineering
  • Chemistry and processing
  • Technological subjects
Contact information
Course coordinator: Lecturer(s):

Department with academic responsibility
Department of Energy and Process Engineering


Examination arrangement: Portfolio assessment

Term Status code Evaluation Weighting Examination aids Date Time Examination system Room *
Autumn ORD Home examination 70/100





Room Building Number of candidates
Autumn ORD Oral examination 15/100 F
Room Building Number of candidates
Autumn ORD Oral examination 15/100 F
Room Building Number of candidates
Summer UTS Home examination 70/100 INSPERA
Room Building Number of candidates
Summer UTS Oral examination 15/100 F
Room Building Number of candidates
Summer UTS Oral examination 15/100 F
Room Building Number of candidates
  • * The location (room) for a written examination is published 3 days before examination date. If more than one room is listed, you will find your room at Studentweb.

For more information regarding registration for examination and examination procedures, see "Innsida - Exams"

More on examinations at NTNU