Sofronas, A.
Tony Sofronas, D. Eng, was the worldwide lead mechanical engineer for ExxonMobil Chemicals before retiring. He now owns Engineered Products, which provides consulting and engineering seminars on machinery and pressure vessels. Dr. Sofronas has authored two engineering books and numerous technical articles on analytical methods.
Case 23: Analyzing a crack-like defect in a vessel wall
You should know what needs to be done but not necessarily how to do it
Case 22: The mysterious bending of impeller blades
A quick analysis helps solve an unexplained failure
Case 21: Analyzing a spline failure
Torsional spline failures are telling you something
Case 20: Cold startup bearing failures
Excessive clearance and hard starts can cause problems
Case 19: A steam turbine diaphragm failure
Confined water converted to steam develops high pressures
Case 18: Problem-solving technique
An orderly procedure allows data to be organized and analyzed
Integral gas engine compressor failures and solutions
Here are the causes and how to remedy them
Case 17: Wreck of a centrifugal pump
Understanding the entire flow system is important when determining the cause of a failure
Case 16: A piping failure due to water hammer
System upsets can develop high piping loads
Case 15: The thermally bowed shaft
Just a slight rub can self-generate more heat
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