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March 20, 2026

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LMTD Limitations

Diagram showing pinch point and phase change zones where LMTD becomes unreliable in heat exchangers
PPI March 11, 2026 0

When LMTD Fails – Phase Change & Pinch Points – The Situations Where a Reliable Tool Stops Being Reliable

LMTD is one of the most useful tools in heat exchanger design. Under the right conditions, it provides a compact and effective way to represent temperature driving force. However, LMTD…

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