Technical Project References

  1. Root Cause Analysis of HP Drum Nozzle Cracking
  2. CFD Analysis of GRP Piping Caustic Dosing
  3. Diverter Damper Design and Operation Review
  4. MSV Stellite Cracking Failure Analysis
  5. Flow Accelerated Corrosion Risk Assessment 
  6. Boiler Tube Failure Root Cause Analysis
  7. HP Evaporator Tube Failure Analysis
  8. Attemperator Sleeve Failure Study
  9. HP Bypass Finite Element Analysis
  10. Site Condition Assessment
  11. High Energy Piping (HEP) Remaining Life Assessment 
  12. Study of Impact of cyclic loads on Superheater Tubes
  13. Superheater Tube Root Cause Failure Analysis
  14. CFD Study of HRSG Gas Path
  15. Field Assessment of Piping Water Hammer Event
  16. LP EVAP Tube Failure Analysis
  17. HRSG Boiler Preservation Study
  18. Thermohydraulic Attemperator Study using PPS&D
  19. Stress Analysis Study of SH section
  20. HRSG Vibration Study
  21. CFD Analysis of Failed 180° Bend
  22. LP Economiser Header Failure Analysis

Technical White Papers

Guides

Tetra has published the following guides which are available for ordering:

  • HRSG Tube Failure Diagnostic Guide (3rd Edition)
  • HRSG Inspection Planning Guide (2nd Edition)
  • This email address is being protected from spambots. You need JavaScript enabled to view it.

Please contact This email address is being protected from spambots. You need JavaScript enabled to view it. at our offices in the United States to complete your order.

Papers, Presentations and Articles

Selected papers, presentations and articles from major industry conferences and events.

Title Author Place / Date
Assuring Pressure Part Manufacturing & Repair Quality - has ticking the box become more important than the end product?  Fabricius, A. Taylor, M. Malloy, J. Inspectioneering Journal, March/April, 2019
This email address is being protected from spambots. You need JavaScript enabled to view it. Jackson, P. Presented at the 501 User Conference, February, 2019
Using Thermohydraulic Simulations to Assess HRSG Performance Monnac, J-M Power Magazine, February 2019
Observations on HRSG Tube Module Weld Quality Taylor, M. HRSG User Group, Nottingham, UK, November 2017
This email address is being protected from spambots. You need JavaScript enabled to view it.
This email address is being protected from spambots. You need JavaScript enabled to view it.
This email address is being protected from spambots. You need JavaScript enabled to view it.
Fabricius, A., Moelling, D., Rusaas, J. PowerGen Asia Conference Proceedings, Seoul, South Korea, September, 2016.
Premature Grade 91 failures: Worldwide Plant Operational Experiences Fabricius, A., Jackson, P. Journal of Engineering Failure Analysis, August 2016, Volume 66, Pages 398-406
Understanding Variations in Flow-Accelerated Corrosion Wear Rates in HRSG Evaporator Tubes Malloy, J., Rusaas, J., Taylor, M.

International Conference on Flow Accelerated Corrosion, EdF, France, 2016.

Power Plant Chemistry Magazine, 2017.

HRSG Condition Assessments Identify CAPEX, Maintenance Priorities. Jackson, P., Moelling, D. Power Magazine, April, 2016.
Covered Piping Systems: O&M Programs for CCGT Plants Rosario, R. Power Magazine, April, 2016.
Impact of Startup Purge Credit on Combined Cycle Plant Operation Fabricius, A., Taylor M., Moelling D. ASME Power and Energy Conversion Conference, San Diego, 2015
This email address is being protected from spambots. You need JavaScript enabled to view it. Malloy, J. European HRSG Forum, Munich, 2015.
Role of Boiling Mode and Rate in Formation of Waterside Deposits in Heat Recovery Steam Generator Evaporator Tubes Moelling, D., Malloy, J. ASME POWER 2014 Conference, July, 2014.
Evaluating Contributions of Flow-Accelerated Corrosion and Liquid Droplet Impingement to Pipe Thinning in HRSG Evaporator Tubes Malloy, J., A., Graham, Taylor, M., Fabricius,  M., Moelling, D. EdF FAC Conference Avignon, May 2013
and
Power Plant Chemistry 2013
Design factors for avoiding FAC erosion in HRSG low-pressure evaporators Malloy, J., Taylor, M., Fabricius, A., Graham, M., Moelling, D. July 2013, ASME POWER Conference, USA
Ten Year Retrospective Look at HRSG FAC Assessment and Incidence P.S. Jackson, D.S. Moelling, M.J. Taylor (Tetra) Jul 1, 2010, Fossil FAC International Conference, USA
Computer Simulation of HRSGs Can Improve O&M J.W. Malloy (Tetra), C. Daublebsky (KED) Jun 1 , 2009, Power Magazine
This email address is being protected from spambots. You need JavaScript enabled to view it. M.J. Taylor (Tetra) and O. Cotton (Derwent Cogeneration Co Ltd) 2008, POWERGEN INTERNATIONAL, USA
Deaerator degradation: Managing remaining life and component replacement P.S. Jackson (Tetra ) and T. Acteson (Chugach Electric Association) Sep 15, 2008, Power Magazine
Extend EOH tracking to the entire plant P.S. Jackson, D.S. Moelling (Tetra) Mar 15, 2008, Power Magazine
This email address is being protected from spambots. You need JavaScript enabled to view it. M.J. Taylor (Tetra) 2007, Heat Recovery Steam Generator User Group, UK
Combined Cycle Plants - O&M problems not caused by cycling P.S. Jackson, D.S. Moelling, J.W. Malloy (Tetra) May 15, 2007, Power Magazine
First-class maintenance in a developing country F.J. Berté, (Tetra ); J. Sandoval, (Tekna S.A.); A. Carrillo (Gensa S.A) Feb 15, 2007, Power Magazine
O&M staff keep their cool at Alaskan plant P.S. Jackson (Tetra ) and John Kotrotsios (Chugach Electric Association) Mar 15, 2006, Power Magazine
Operating Experience of Large Reheat HRSGs in Merchant Service P.S. Jackson, D.S. Moelling, F.C. Anderson, J.W. Malloy (Tetra) 2004, POWERGEN INTERNATIONAL, USA,
This email address is being protected from spambots. You need JavaScript enabled to view it. F.C. Anderson, P.S. Jackson, D.S. Moelling (Tetra) and F. Glasgow (PGE NEG - Hermiston) Mar 2003, NACE Corrosion/2003 Expo, San Diego
This email address is being protected from spambots. You need JavaScript enabled to view it. D. Moelling, A. Cozza, (Tetra )
and C. Pillar (Scientech)
Dec 2002, POWERGEN INTERNATIONAL in Orlando Flordida USA
This email address is being protected from spambots. You need JavaScript enabled to view it. D. Moelling, F. Berté, P Jackson et.al. (Tetra) 2001, POWERGEN EUROPE Brussels
This email address is being protected from spambots. You need JavaScript enabled to view it. P Jackson, D. Moelling, F. Anderson (Tetra) 2001 EPRI International Maintenance Conference, Houston
This email address is being protected from spambots. You need JavaScript enabled to view it. D. Moelling, F. Anderson, M. Taylor (Tetra) 1999, EPRI Maintenance Conference, Atlanta, GA.

 

About Us

Established in 1988, Tetra Engineering has more than 25 years experience providing solutions to the power industry. We specialize in solutions for HRSGs, conventional boilers & steam-cycle balance of plant.

Links

Our Locations

Offices in: Connecticut, USA; Nice, France; Dubai, UAE.