Parası kalmadığı için otobüse binemiyordur ailesi porno izle ona daha yeni para gönderdiği için tekrar porno istemeye utanınca mecburen otostop çekmek için youporn çantasını alarak yol kenarına gelir etekli porno liseli türk kız yol kenarında dururken yanına yaklaşan porno kibar bir gencin onu gideceği yere kadar bırakmak porno izle istemesine çok mutlu olur arabaya bindiklerinde gideceği yer ile porno arabayı kullanan adamın gittiği yer arasında çok mesafe sex izle farkı olduğunu anlayan türk kız bu yaptığı porno indir iyilik karşısında arabada ona memelerini açar porno sapıklaşan adam yol kenarındaki hotelde durarak porno izle üniversiteli otostop çeken türk kızına odada sakso çektirip sikerPerformance of an Electrode Topology for Alkaline Water Electrolysis under Specific Operating Conditions| Abstract

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Abstract

Performance of an Electrode Topology for Alkaline Water Electrolysis under Specific Operating Conditions

Author(s): Maria Jose Lavorante*, Rodrigo Diaz Bessone, Samanta Saiquita, Ricardo Martin Aiello, Erica Ramirez Martinez

Channels were machined over the active area of a 316 L stainless steel electrode, in vertical electrode position, with a width of 5 mm that is reduced to 1 mm and then widened again. For its construction, electro discharge machining was selected since it also allows obtaining different degrees of roughness, which can favor the detachment of bubbles to a larger quantity. Analysis of its performance was carried out at an initial operating temperature of 30 ° C and at seven different distances between electrodes, namely: 9.45; 7.45; 6.35; 5.80; 4.30; 2.80 and 2.45 in millimeters, in order to determine the one with the lowest energy consumption to produce a fixed amount of hydrogen. Results obtained from the evaluated distances show that as the distance between electrodes becomes smaller, so do the electrical and transport resistances. The percentage increase in the current density for the distances of 9.45 and 2.45 mm, with respect to the applied potential difference, shows that at 2.2 V it is above 80% (in current density) and is maintained, with small fluctuations throughout the range of applied voltages. Therefore, using the same amount of energy, a greater volume of hydrogen is obtained.


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