Author Archives: Khashayar Hajiahmad

🔥 Which Bearing Runs the HOTTEST in GE, Siemens & MHI Turbomachinery? Let me ask you a simple question… 👉 In a GE Frame 5, 7, or 9 gas turbine…👉 Or a Siemens / MHI turbomachinery train… Which bearing do you think runs the hottest? Most people answer quickly…❌ “Thrust bearing!”❌ “Generator side!” But the real answerContinueContinue reading “🔥 Which Bearing Runs the HOTTEST in GE, Siemens & MHI Turbomachinery?”

🔴 Steam Leakage → Water Ingress into Bearing Housing (Labyrinth + Carbon Ring Failure Mechanism) 1. What the Image Really Shows (Critical Interpretation) Your image highlights a classic but dangerous design reality: Steam flows through the turbine (center section) At shaft exits → carbon rings + labyrinth seals Beyond that → bearing housings (oil-filled) 👉 The red arrowsContinueContinue reading “🔴 Steam Leakage → Water Ingress into Bearing Housing”

Turbine Oil Particle Counting vs. Elemental Analysis (And Why You Should NEVER Look at Them Separately) 1. Oil Analysis Framework – Where These Two Fit In any serious turbomachinery reliability program, oil analysis answers three core questions: Contamination → Particle counting Wear source → Elemental analysis Oil health → Chemistry (RULER, TAN, FTIR, etc.) Particle counting and elemental analysisContinueContinue reading “Turbine Oil Particle Counting vs. Elemental Analysis”

⚙️ Executive Summary Maintenance professionals do not need to become chemists—but they must develop applied lubrication chemistry literacy to manage turbine oil as a reliability asset, not just a consumable. The required level sits between: ❌ Basic operator awareness ❌ Full laboratory chemist expertise ✅ Applied condition monitoring + lubricant chemistry interpretation 🎯 1. The Core Principle: “You Don’t NeedContinueContinue reading “🧪 How Much Chemistry Knowledge Do Maintenance People Need for Turbine Oil Reliability?”