* Distinct configurations used (fixed [V](/MSP/Materials/lumped-par-model-examples/gas-tank-models/Fig-9-48-Petrone16.png) and fixed [P](/MSP/Materials/lumped-par-model-examples/gas-tank-models/Fig-9-50-Petrone16.png)).
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*
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* Model [derivation](/MSP/Materials/lumped-par-model-examples/gas-tank-models/gas-tank-model-vfix.pdf) (fixed V).