What Every Energy Engineer Needs to Know about Thermodynamics and Liquefication Systems - Part 2

In What Every Energy Engineer Needs to Know About Liquefied Natural Gas Safety, you'll learn ...

• How to use thermodynamic software instead of charts for performing thermodynamic analyses
• Application of the software for solving liquefying mixtures of natural gas
• Understanding how thermodynamic software can show deviations from ideal gas solutions
• Applying thermodynamic software to plant operations, such as analysis of in-tank and external LNG pumps

Overview

Preview a portion of this course before purchasing it.

Credit: 7 PDH

Length: 139 pages

This course is the second in a 4-course series.

• Part 1 is based on understanding thermodynamic concepts and using pressure enthalpy charts.
• Part 2 builds onto part 1 but uses thermodynamic software instead of pressure enthalpy charts for analysis and goes into additional depth.
• Part 3 (consisting of Parts 3A and 3B) builds on parts 1 and 2 to apply thermodynamics to understand air conditioning and refrigeration systems from ¼ hp size units to 300,000 hp size units. Part 3A focuses on pure substances and mixed refrigerant liquefaction systems. Part 3B focuses on nitrogen expansion liquefaction systems.

Note that each course in the series is a “stand alone” course. It is not necessary to first complete Parts 1 and 2 in order to study Parts 3A & 3B, provided the learner already possesses the prerequisite knowledge needed.

This course (Part 2) introduces the learner to using thermodynamic software instead of charts for performing thermodynamic analyses. Such software is much more time efficient, accurate and flexible. Thermodynamic software allows the learner to dive deeper into their understanding of the field of thermodynamics. In this part, we will build on the learning of Part 1 and expand our ability to deal with mixtures rather than solely the pure fluid of methane.

In Part 2, a major focus is made on broadening the scope of understanding thermodynamics. Pump and compressor efficiencies and understanding many facets of thermodynamics that would not be adequately explained without using thermodynamic software are explained.

Learning Objectives

Upon completion of this course, participants will be able to:

• Use thermodynamic software to analyze thermodynamic processes.
• Solve thermodynamic problems, including problems similar to those addressed in Part 1.
• Apply thermodynamic software to the liquefaction of natural gas mixtures.
• Explain how thermodynamic software represents deviations from ideal-gas solutions.
• Apply thermodynamic software to plant operations, including the following:
• Analyze in-tank and external LNG pumps.
• Produce graphs, including T-x diagrams for binary mixtures and P-h diagrams for multicomponent mixtures.
• Explain how and why recondensers work.
• Determine horsepower requirements and heat added to fluids by LNG pumps, compressors, and cold blowers.
• Calculate the heat requirements of vaporizers.
• Analyze temperature and power requirement changes resulting from changes in LNG and BOG mixture composition, such as nitrogen in BOG compared with pure methane in BOG.
• Explain the three stratification modes that can result in LNG rollover.
• Apply thermodynamic concepts through reinforcement exercises, including the following:
• Analyze positive-displacement compressors.
• Evaluate BOG compressors at varied inlet pressures.
• Analyze boiler feedwater pumps.
• Evaluate recondensers.
• Determine flash output compositions.
• Analyze what occurs when two fluids are mixed.
• Calculate velocities downstream of a JT valve.
• Analyze pressure and temperature changes downstream of a compressor resulting from changes in fluid mixture composition.
• Explain the relationship between liquid height in an LNG tank and BOG production.
• Describe BOG production resulting from a change in LNG tank pressure.

Certificate of Completion

You will be able to immediately print a certificate of completion after passing a multiple-choice quiz consisting of 45 questions. PDH credits are not awarded until the course is completed and quiz is passed.