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Artificial neural network modeling for steam ejector design

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An artificial neural network (ANN) model for a steam-centered ejector was established and the effect of different training algorithms on the prediction effectiveness of the ANN model was discussed, which found that the ANN model produces better results than the conventional thermodynamic model on the fitting and prediction of experimental data. The Levenberg-Marquardt(LM) trained model yielded the best results among three chosen ANN models, with the experimental accordance improvement of 68% and the prediction error within 15% under given operating conditions. The LM model made the prediction for a steam ejector in a certain system that the outlet area ratio exhibits a smaller effect on the system operation, compared with the entrainment ratio and throat area ratio, which assists to optimize system design and maintain operation stability.

Artificial neural networkSteam ejectorSystem stabilityTraining algorithm

Zhang K.、Han Y.、Zhang Z.、Gu Y.、Zhu X.、Qiu Q.

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School of Ocean and Civil Engineering Dalian Ocean University

Nuclear Power Institute of China

Key Laboratory of Ocean Energy Utilization and Energy Conservation of Ministry of Education Dalian University of Technology

2022

Applied thermal engineering

Applied thermal engineering

EISCI
ISSN:1359-4311
年,卷(期):2022.204
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