24 Questions 96 Answers 0 Followers
Questions related from Mohammed saad Kamel
I am looking if there are some suggestion on how to prepare a sample for NPs characterization via SEM. I tried to use dry powder and suspension of (ethanol+NPs) but all my attempts were not...
09 September 2018 2,561 0 View
Hello everybody, I am looking for journal that exploring in area of ethical issues and accept an opinion for purpose of publishing. any suggestion? I will be grateful of you.
05 May 2018 9,094 0 View
hello everybody, I am trying to simulate pool boiling of nanofluids via ansys fluent 17.2. I was used Eulerian model/ boiling model/ RPI sub model. the simulation time dependent (transient), 2D...
04 April 2018 8,853 5 View
hello everybody, I would like to understand what does mean by the experimental datasets should to map with interval [-1 1]? is there an example for that as I am a beginner with NN tool. Thanks in...
04 April 2018 8,340 0 View
Is there a specified way to measure oxide Nano powder true density? if I have a known Nano powder weight is it possible to measure true density if I have a known liquid volume and the powder will...
03 March 2018 8,369 5 View
I am looking for tutorials (videos or papers) associated with pool boiling heat transfer using Ansys Fluent. Thanks in advance.
03 March 2018 2,197 3 View
Dear Colleagues, I am looking to Build user define function for HFP model for pool boiling Prediction. Could some body Guide me how to write this model ? I will be grateful of you. Regards
03 March 2018 1,662 0 View
I want to understand how we can measure the true density for Nano powder, and if we want to calculate the volume concentration for nanoparticles which density should to used true or bulk density?...
02 February 2018 6,619 6 View
Which nanomaterials has good stability in Deionized water ALN or MgO nanoparticles ? I am looking to know the stability criteria for those type if there are some articles regards this mater I hope...
02 February 2018 4,546 5 View
I am looking for some tutorials related to how to simulate the water in supercritical conditions inside a channel by fluent Ansys.
02 February 2018 8,921 1 View
Dear Sirs, I am going to write some UDF and implement them to ansys fluent 18. any useful tutorials on how to write some UDF under nucleate pool boiling process. I will be grateful for helping....
02 February 2018 9,905 3 View
I need to start modeling of pool boiling heat transfer with small bubble generation (low superheating temperature). So, which model should I start with? I am looking to model this case in Fluent...
02 February 2018 1,087 4 View
I am looking to order some Nano powder materials for my work, which Europe company had good reputation and service in this field. any suggestion please I need to hear from you.
01 January 2018 6,634 0 View
In order to convert the electrical energy to heat energy we need good conductor (low resistance) to carry the current through it and this is the fundamentals that we learn in school. my question...
12 December 2017 4,904 3 View
Hi, I have used the Fluent for simulation of nanofluid in Discrete phase model DPM in vertical tube, but I have a problem when want to solve the case as follow: Error: CAR: invalid argument [1]:...
10 October 2017 1,734 4 View
Hello Sirs, I am looking for a thermoplastic polymer bear temperature up to (200 C) and also, has a low thermal conductivity lower than 0.2 (W/ m.K). I will be grateful for your suggestion....
10 October 2017 2,162 5 View
Hello everybody, I would like to understand the important parameters to control the time integration of the particle trajectory equations in discrete phase model (Max. number of time step, the...
10 October 2017 5,187 1 View
hello every body, I was trying to simulate fluid flow and heat transfer in axisymmetric vertical channel but when I set all condition and solve the case I got this massage (Divergence detected in...
09 September 2017 2,791 5 View
when we want to pressurized water tank for purpose of experimental work, is there any new and reliable way to do that?
05 May 2017 4,259 3 View
i am planning to order nano particles from one companies that offer nanopowder products, so which is better to work with nanoparticles diameter in a range value or one value in experimental work i...
12 December 2016 5,913 0 View
i just want to know which is better to use the range value or one value for the size of nanoparticles diameter when i want to do an experimental work? i hope to get some details regarding this...
12 December 2016 4,367 5 View
I am going to do two phase numerical simulation in ansys fluent by using mixture model. did any one deal with this model before, I need some tips and guidance to avoid the problems that may be...
01 January 1970 4,915 3 View
hello every body, I need your advise regard how to make a link (connection) between stainless steel and quartz tubing with diameter size ( 3/4 inch) for both of them, which way suitable for high...
01 January 1970 686 5 View
prediction of hydrodynamics and heat transfer characteristics in forced convection and boiling flow adopted by two methods: -first one (traditional methods) using fixed parameters for subcooled...
01 January 1970 1,143 3 View
