Abstract A data-driven artificial intelligence framework is developed to predict and optimize the performance of nanophotonics-enabled solar membrane distillation reactor for water and wastewater treatment. An artificial neural network (ANN) is constructed to model the nonlinear relationships between operating conditions and system performance. The ANN model considers five input parameters: feed temperature, coolant temperature, solar irradiance, feed flow rate, and sweeping air humidity, and predicts three key performance indicators: permeate flux, gain-to-output ratio (GOR), and heat loss. To address the challenge of ANN architecture selection, a genetic algorithm (GA) is employed to systematically optimize the network architecture: hidden layers and neurons. Unlike traditional ANN-based membrane distillation models that rely on manual tuning, the proposed GA-optimized framework provides a computationally efficient and globally optimal approach for ANN architecture optimization. The constructed ANN model using GA demonstrates high accuracy without overfitting, achieving coefficients of determination values approaching 0. 99, mean squared error below 1 10^-3, and average relative error under 6%. Single-objective GA optimization is applied to determine the optimal operating conditions for maximizing flux, minimizing heat loss, and maximizing GOR. To account for trade-offs among these performance indicators, multi-objective optimization is conducted using the nondominated sorting genetic algorithm II. The optimization results identify practical operating ranges, with a maximum flux of 1. 38-1. 54 (kg/m^2/h), heat losses ranging from 32. 47 to 33. 38\%, and a GOR reaching 0. 944–1. 24. The algorithm is validated against published experimental data and demonstrates superior predictive accuracy over trial-and-error ANN models, confirming its robustness and applicability for membrane distillation optimization.
Elrakhawi et al. (Fri,) studied this question.
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