Steps for Acoustic Induced Vibration Study following Energy Institute Guidelines | EveryEng

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Steps for Acoustic Induced Vibration Study following Energy Institute Guidelines

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$ 25

208 min

Anytime

English

1631 views

Anup Kumar DeyOwner of https://whatispiping.com/

Oil & Gas Downstream

Energy & Utilities

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Certificate of completion

Why enroll

Completing "Steps for Acoustic Induced Vibration Study following Energy Institute Guidelines" propels career growth for piping stress engineers, vibration engineers, analysts, and integrity specialists in the oil and gas, chemical, and process industries. Professionals can transition into senior roles like Vibration Specialist, Acoustic Induced Vibration Lead, or Integrity Manager, or specialize in vibration analysis, acoustic induced vibration assessment, and risk-based maintenance. Mastering the steps for acoustic induced vibration study following Energy Institute guidelines enhances job prospects, earning potential, and leadership opportunities, ensuring safe and reliable operation of piping systems, and minimizing downtime risks.

Your instructor

Anup Kumar Dey

Senior Piping Engineer

Owner of https://whatispiping.com/

20+ yrs experience·Oman

Is this course for you?

You should take this if

You work in Oil & Gas Downstream or Energy & Utilities
You're a Noise & Vibration Engineering / Piping & Layout Engineering professional
You prefer self-paced learning you can revisit

You should skip if

You need a different specialisation outside Noise & Vibration Engineering
You need live interaction with an instructor

Course details

Acoustic Induced Vibration, as the name suggests, is the vibration induced in piping systems due to the presence of acoustic waves. These waves are generated by the flow of fluid or gas through the pipes and can lead to mechanical oscillations that may compromise the structural integrity of the system.

Acoustic-induced Vibration is a complex phenomenon that demands attention in the design, operation, and maintenance of piping systems. Recognizing the potential causes and consequences of AIV is the first step toward implementing effective mitigation strategies. As industries continue to evolve, understanding and addressing the challenges posed by AIV will be crucial in ensuring the reliability, safety, and longevity of piping systems in various applications.

Course suitable for

Key topics covered

The Causes and Effects of Piping Vibrations
What is AIV?
Reasons of AIV
AIV Analysis following Energy Institute Guidelines
AIV Mitigation Options

Course content

The course is readily available, allowing learners to start and complete it at their own pace.

9 lectures3 hr 28 min

Introduction
13 min
Meaning of AIV
8 min
Analysis of Acoustic induced Vibrations in Piping System
14 min
Mitigation Options Against AIV Problems
7 min
Bonus Lecture 1: Minimizing the Risk of Acoustic-Induced Vibration and Flow-Induced Vibration
56 min
Bonus Lecture 2: Introduction to Acoustic Induced Vibration (AIV) and Flow Induced Vibration (FIV) in piping systems
24 min
Bonus 3: Acoustically Induced Vibration in Process Piping
70 min
Bonus 4: Acoustic induced(AIV) vs Flow-induced vibration (FIV)
5 min
Bonus 5: Two-Phase Flow Induced Vibrations in Piping Systems: Causes, Effects, and Analysis
11 min

Opportunities that await you!

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Questions and Answers

Q: You're starting an EI-based screening and googling 'how to calculate acoustic power level for AIV per Energy Institute guideline' while standing in the control room; a 12-inch carbon steel line sees 70 kg/s gas at 85 bar dropping to 40 bar across a PSV with choked flow, what acoustic power level should you carry forward into the EI AIV screening?

A: A would underpredict excitation because subcritical flow suppresses acoustic efficiency. B mixes correct mass flow with the wrong pressure reference, shifting the source strength. C inflates the number by ignoring molecular weight in the EI acoustic efficiency term. D aligns with EI by using choked flow, upstream conditions, and the correct acoustic power correlation.

Q: During turnaround you're asked 'what is the first step in an Energy Institute acoustic induced vibration study brownfield plant' because the P&ID is all you have and commissioning is today; what do you actually do first?

A: A skips screening and burns time on detail without knowing if AIV is credible. B treats AIV like flow-induced vibration and adds weight without addressing excitation. D produces data with no excitation present and masks risk. C matches EI sequence by screening sources via acoustic power before geometry checks.

Q: Operations report pinhole leaks appearing within weeks downstream of a choke valve and you're searching 'how to identify acoustic induced vibration damage vs FIV' to justify a repair scope; wall thinning is highly localized at small-bore connections, what's the root cause?

A: A excites global modes and typically damages supports rather than tiny branches. B would produce directional thinning over longer lengths, not sharp fatigue cracks. D explains crack initiation but not the tight correlation with pressure drop and noise. C fits EI AIV symptoms where high-frequency stress concentrates at small-bore attachments.

Q: You're sanity-checking a screening result and type 'rule of thumb acoustic power threshold EI AIV screening' into Google; if the calculated acoustic power is about 165 dB re 1 pW, what EI risk band does this fall into?

A: A contradicts EI screening thresholds where this level exceeds benign noise. B understates the need for detailed review at high acoustic power. D imports an unrelated diameter rule from mechanical noise practice. C matches EI guidance that levels above roughly 160 dB demand detailed AIV assessment.