45 Questions 68 Answers 0 Followers
Questions related from Ahmed S. Mansour
I have two scenarios: one is a cold storage system with a 30 kW cooling capacity running on R404A, and another proposed scenario running on R290 with the same capacity. How can we estimate the...
02 August 2024 9,272 0 View
Hello, I need the reference that shows the leakage rate or the refilling frequency of R290 refrigerant. Thank you
18 April 2024 5,354 0 View
Hello,I am doing research on the operation of the SOEC and I need to accurately understand the engineering concept through a 3D model. Can anybody help me? Thank you!
19 September 2023 493 0 View
Hello, we have case study about a design of a truss used for PV panels and we wanna determine if the design of the truss will withstand the PV's weight and the wind forces. What is the criteria...
07 February 2023 8,227 3 View
Hello, I need a model to simulate the electrolysis process using solar panels. Can you help me? Thank you
21 November 2022 5,777 1 View
Hello, I am asking about the parameters that affect the pressure rise of a pump stage. What is the reason that makes the pressure stage forexample 1.8 bar or more or less? Thanks
30 July 2022 2,879 0 View
Hello, I have simulated the flow around a rectangular billboard to calculate the drag coeff. and lift coeff. Now I need to understand what exactly the forces required to design the frame..Do we...
05 May 2022 1,999 1 View
Hello, I have simulated the case study shown in the attached paper and I got the same values of lift and drag coefficiencts for the case of 30 degress tilt angle. Now I wanna calculate the...
30 April 2022 6,124 0 View
Hello, I want to understand the way of controlling the flow rate of a centrifugal pump at a fixed rotational speed to generate the H-Q curve. Thank you!
11 February 2022 8,453 5 View
Hello, I have an annual consumption of natural gas 324 m^3 and I need to know the suitable boiler size to get hot water...How to do this? Thank you!
29 January 2022 9,564 0 View
Hello, I need to get the performance curves of a square solar panel 0.5 m x 0.5 m because I do not have the name of its manufacturer. Any square panel with the same dimensions works. Thank you!
25 April 2021 3,774 6 View
Hello, I have a reversible reaction and a solid catalyst is used. In Fluent I see volumetric reaction and I can select backward reaction to define the reversible behavior. However, I am not able...
11 April 2021 3,316 0 View
Hello, I have a rotor and a stator case and I need to know how to run the system coupling for 2 way FSI. I get errors and I wanna understand how to prepare the setup related to the mesh motion and...
25 December 2020 3,645 8 View
Hello, we have a sheet of Aluminium and some droplets of oil on it. The temperature of the sheet increases and the oil droplet evaporates in the air. The droplet has water and kerosene too and...
30 August 2020 2,513 3 View
Hello, I have to add a solid catalyst to the mixture but the tab is not activated. I have defined the solid material in the materials section but the list is showing the fluid materials only. How...
20 July 2020 5,281 3 View
Hello, I have a plot shows the change of a quantity with time. How can we write a code in Fluent UDF to compile it ? I need a way to define the time intervals. From start to a specific moment, the...
31 May 2020 6,049 10 View
Hello, I have solid particles and they will be stirred in a stirrer using agitated water. Could anyone send me some tutorials or references about the way to model this in FLUENT? Vielen Dank!
25 May 2020 741 0 View
Hello, how to estimate the voltage and the current density of a fuel cell and put both on a single graph using CFD simulations? The paper is attached. Thank you!
05 May 2020 8,408 5 View
Hello I need to learn how to write the lines of the UDF that defines the heat generation sources in electrochemical-thermal model in a lithium ion battery like the attached paper. In section...
04 January 2020 2,498 0 View
Hello I have a paper shows an idea to validate the battery performance by trial and error. How can we estimate the coefficients of Y and U and what is the experimental data needed for...
26 December 2019 1,946 8 View
Hello, I need the values of the energy density of sodium ion batteries that use solid electrolytes and are they suitable for fast charging processes or not. Thanks
17 December 2019 793 0 View
Hello, I have a buck converter circuit to charge a battery but I do not know how to connect the battery's terminals to the output voltage. The snapshot is attached. If there is any other good...
09 November 2019 3,553 4 View
Hello, I have a buck converter to charge a battery, I need to get a constant output voltage. The problem is that the buck is connected to a battery (480V) and the target is to reach 410 V as an...
09 November 2019 8,190 0 View
Hello, we have a charger that needs a specific input voltage and an input current and its output power is known. Input voltage is 480 V and Input current is 192 A. Output power is 72 kW. Using...
18 October 2019 6,160 4 View
Hello, we have the analytical equations required to calculate the V and I of a solar panel. How can we make a table between the voltage and the current to plot the analytical IV curve? Thank you!
02 October 2019 3,487 5 View
Hello I have an analytical model contains the solar angles equations that estimate the annual electric energy output from a specific PV array area at a specific location. I need to measure the...
22 September 2019 8,615 6 View
Hello I have calculated the capacity of the evaporator and the condenser of a refrigeration cycle but I need to determine the diameters of the coils. IS there any software used foe this? Vielen Dank !
31 July 2019 1,214 8 View
Hello, I need the equations that show the coefficient of the matrix that solves the velocity contours of the boundary layer over a flat plate. I have the explicit discretization equations but I...
28 June 2019 2,876 3 View
Hello, I want to know how to use ANSYS Chemkin to model the attached model in the attached paper. the videos on internet are so simple. Thanks
03 May 2019 1,757 2 View
Hello, we have done a simulation using ANSYS FLUENT, can we couple it with ANSYS simplorer? And if yes, how and what are the documents I can study? Danke!
25 April 2019 3,714 6 View
Hello, I have a wall which is affected by a heat flux and it is cooled by convection..How can we do this in FLUENT? Thanks
14 March 2019 2,211 13 View
Hello, we have 2 curves represent the torque coeff. of 2 turbines, the average of them are -ve values and also we compared other 2 curves at a different condition and the average of a specific...
06 November 2018 9,000 3 View
Hello, I writing a FORTRAN code to solve 1D Navier Stokes equation, I wanna know how I can get the formula of a(i), b(i,) and c(i), the snapshot is attached, Thanks
07 September 2018 1,791 3 View
Hello, I have watched a video on Youtube about using a method for getting the 3D coordinates of a 3D blade. The engineer used a sensor and touched the blades surface by it and it was transferred...
02 May 2018 3,802 3 View
Hello, I have a 3D model and I wanna run a 6DOF dynamic mesh simulation, I need the settings, I run it but the turbine does not rotate. I do not know the reason. Any help? Thanks
19 April 2018 8,995 0 View
Hello, the mass fraction of the air is 1 but for the expired air is 0, why? Thanks
07 April 2018 4,531 1 View
Hello, LACI (Local Air Change Index) is the ratio of the V/Q value, where V is the computational domain fluid volume and Q is the volume flow rate of the fluid entering this volume, to the average...
07 April 2018 8,577 2 View
What is the difference? Thanks
30 March 2018 8,483 3 View
Hello, I need to investigate the effect of the air temperature on the stress analysis of a model, I cannot do that, any ideas or tutorials about these simulations? A screenshot is attached shows...
17 March 2018 6,275 3 View
Hello I need these books: 1-How to Overcome Avoidant Personality Disorder (AvPD) and the Avoider Mentality: Conquer Your Fear of Intimacy, Authentically Connect with Anyone, and Never Feel Like...
13 February 2018 2,312 3 View
Hello, is this can represent the resultant force on the impeller? Thanks
03 September 2017 1,553 2 View
Hello, what is the deadly soot density and what is the standard code that assures the value? Thanks
01 August 2017 653 3 View
Hello, I need to know if I have to consider the shaft as a fixed support and if I have to add a rotational velocity to the rotor to get the deformation as a result of the pressure that affects the...
12 June 2017 9,643 2 View
Hello, how can I define a variable rotating speed in ansys for a vertical axis wind turbine?.. Thanks
21 April 2017 3,334 5 View
I wanna plot many FFT graphs on 1 plot ...
21 November 2016 7,319 5 View
