Impact of metal filings and acoustic waves on solar still performance

Résumé

The current study investigates the parameters for improving the performance of a water stiller. The paper looks at two influencing factors. The first parameter is the effect of various metal filings at changing concentrations. The second parameter is the impact of acoustic waves of different shapes. Copper, aluminum, iron, and stainless-steel filings are used at concentrations of 25 g/l, 50 g/l, 75 g/l, and 100 g/l. Acoustic waves are sine waves, square waves, triangular waves, and sawtooth waves that have frequencies of 290 Hz, 300 Hz, and 320 Hz. The results show that the highest water productivity from this water stiller can be achieved by using copper filings at 75 g/l filing concentration. Water production rises by 8.8% when copper filings are used instead of none. Desalinating water with copper filings costs 0.57 LE per liter. Acoustic waves reduce water productivity regardless of wave shape. Triangular waves have the lowest influence. At 300 Hz, triangular waves produce an average water productivity of 86 ml, whereas the average water productivity without waves is 90.55 ml. Copper filings with a low concentration (no more than 75 grammes per liter) can boost water distiller yields while also placing the distiller in a quiet location away from sound waves.

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