Pulsation & Vibration theory for Reciprocating Compressors

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    4 modules
    Wijnand Schoemakers, MSc

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    Course Objective

    "To provide piping professionals with a solid understanding of pressure pulsation phenomena and evaluation methods." 

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    100% online training

    Video lectures by Experts
    watch multiple times

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    1-year unlimited access

    PDH Hours qualified course

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    About the course


       4 modules

       2.5 hours


      1-yr access


    This course teaches you fundamental knowledge and understanding of pressure pulsations in piping due to reciprocating compressors in the context of API 618 analyses.

    By means of several real-life case studies you are thought the details of how pulsations are caused by compressors and what their consequences can be. Associated assessment methods such as pulsation analysis using software are discussed by the instructor as well as conformity checks for the pulsations and resulting vibrations. Possible mitigation measures and good design practices are provided.

    Discussions and analyses will be illustrated using the software BOSpulse. No knowledge of this software is required.

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    Course Brochure for Pulsation & Vibration Theory for Reciprocating Compressors

    Meet your instructor

    Wijnand Schoemakers, MSc

    Project Engineer, Dynaflow Research Group

    Mechanical, Piping, FEA, Flow

    Program & Details

    1. Welcome & Your instructor

    2. Content Overview

    3. How to use this course

    4. Questions Forum

    1. Pressure pulsations Foundations - Part 1

    2. Pressure pulsations Foundations - Part 2

    3. Shaking forces due to pulsations

    4. Periodic excitations in piping systems

    5. Pulsation control in piping systems

    6. Acoustic resonance in piping systems

    7. Acoustic resonance typical problematic modes

    8. Orifice plates to change modes

    9. General considerations for piping systems

    10. Recap of Module 1

    A sample of the first module is available for free, so you can learn more about the teaching style and understand if the course fits your needs.

    1. Case Introduction 

    2. Operating modes

    3. Result discussion

    4. Damper design 

    1. Vibration risks in piping systems

    2. Types of vibrations in piping systems

    3. Mechanical excitation due excitation source

    4. Single DOF systems Degree Of Freedom

    5. Mechanical response to pressure pulsations

    6. Mechanical eigenmodes in piping systems

    7. Evaluating vibration in piping systems

    8. Mechanical response versus acoustic response

    1. Case Introduction 

    2. Compressor harmonics

    3. Mechanical resonance

    4. System modifications

    5. Conclusions 

    1. Course evaluation survey

    2. Your Personal Certificate

    3. Rate this course

    4. Related resources

    5. Follow up


    After this course, you...

    • understand what pressure pulsations due to reciprocating compressors are and what consequences they can have,

    • are familiar with calculation methods for analyzing pressure pulsations,

    • know the basics of performing API 618 pulsation analysis,

    • have an understanding of assessing associated vibrations,

    • know what mitigation measures are available and when they are applicable,

    • have seen several real-life cases (2 in much detail).

    Who should attend this course

    • Anyone working piping systems connected to reciprocating compressors,

    • Those involved with piping systems prone to vibrations,

    • Engineers working with the API 618.


      • Basic understanding of piping systems. 

      • Discussions and analyses will be illustrated using the software BOSpulse.

      • No knowledge of this software is required.

    Level: Intermediate

    Access to the course. 
    After your purchase is confirmed it will be activated to your account on the EngineeringTrainer learning portal. Here you will find the course in your dashboard and you will be guided step-by-step through the different course modules. You receive 1-year unlimited access to the course. This allows you to perform modules again when you need to refresh knowledge for your work projects.

    Learn by doing.
    The course is mainly based on video content: video lectures and video software demonstrations. English subtitles are available and videos can be viewed as many times as desired. The video lectures help you to grasp the important technical concepts and in the video demonstrations the instructor uses the software and discusses all the steps and actions. You are recommended to follow the steps of the instructor in the software to optimize your learning curve.

    Exercises are available in the form of multiple-choice quizzes to help you grasp technical concepts and in the form of .pdf-files with instructions to build and analyze different models and answer related questions. Video demonstrations of the exercises are available.

    This course is self-paced and is not subject to specific dates. The course contains 4 modules with a total of 2.5 hours of content which can be performed at your own pace. A Personal Certificate will be provided to participants if they finish the course within the first month after purchase. This incentive will motivate you to perform the course quickly thereby improving your learning curve.

    You receive 1-year unlimited access to all modules. This allows you to perform modules again when you need to refresh knowledge for your work projects.

    Participants of this course receive a personal digital certificate if they meet the following requirements:

    • completion of each module of the course,

    • filling in the Course Evaluation Survey.

    Example Certificate:

    Example Certificate of Completion


    • Video lectures,

    • Video demonstrations,

    • Discussions forum with other participants & instructor.

    The majority of training material are videos. These are not available for download, but can be accessed directly with your account on the portal. Apart from quizzes the exercise files can be downloaded. These can include .pdf files with the exercise questions, software models or other file types. 

    You receive 1-year unlimited access to the course. This allows you to watch content again if this is beneficial for your work projects.

    We encourage participants to submit feedback and questions in the Discussions Forum of the course. These are either answered directly in the forum or form the basis for new videos that are added to the online course on a regular basis.

    Participants receive 1-year unlimited access to the course including new videos that are added during this year. Participants receive an email notification upon addition of new course videos.

    No software is required for participants of this course.

    Demonstrations are provided using the software BOSpulse, but having access to this software is not required.

    If your computer and internet connection is able to play videos online (YouTube) you will be able to follow the course. Note that almost all browsers are supported, except for Internet Explorer.

    Yes, this course qualifies for PDH hours as per the NCEES CPC Guidelines.

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    Questions? Contact Us

    Training Coordinator & Engineer Luuk Hennen, MScLuuk Hennen    
    Product specialist


      +31 (0)85 058 0051

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