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Questions related from Youssef Essam
I have a flowsheet that I made using aspen plus and it includes 4 heat exchangers each with it's own fresh cooling water stream and I want to make a HEN
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I have constructed a Tauc plot from data I obtained form a UV DRS test. I am using origin lab software and I am beginner. So, I was wondering what is the suitable method in order to remove the...
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I have synthesized TiO2 nanoparticles for making a thin fil to be deposited on a DSSC and the predominant phase was anatase. However, the XRD showed the presence of TiO2 with anorthic crystal...
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Anoynone got any references or tutorial video for the design and sizing of an equilibrium reactor?
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I previously prepared TiO2 NPs via aq sol-gel route which were doped with nitrogen from urea and Cu and Cd. However, The gel crystallized very quickly during the drying process @ 100 C. So i am...
25 February 2022 3,152 3 View
I am making a a N-Metal doped TiO2 nanocomposite via sol-gel to be used as a ceramic oxide layer for a DSSC. How can I know what is the suitable amount for each the Urea and the metal salt?
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I have tried my first run with sol-gel synthesis today and have these questions What is the role of temperature in the process? Why acidic pH? How to maintain the gel integrity despite mixing with...
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I am looking to synthesize a metal doped silica nanocomposite to be used to increase the efficiency and lifetime of a DSSC. However, I get contradicting results online whenever I research the...
21 December 2021 5,905 6 View
This is my first time using aspen plus and this error keeps popping up: ****PROPERTY PARAMETER ERROR CALCULATED P (NaN) BECAME INVALID DURING LIQUID ROOT CONVERGENCE. EOS MODEL: ESPR...
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