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  • Users: Jezovuk
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  1. Jezovuk

    Heating with water

    Hello everyone! I would appreciate if someone could help me with the calculation of pressure vessel heating. We have a pressure vessel V1= 31,1 Liter and our task is to heat the Working fluid with water. PV is insulated and we don´t take losses into consideration. We need to know how long does...
  2. Jezovuk

    AD2000 (or EN 13445)- Positions of longitudinal seams

    Hallo! My company produced a pressure vessel according to AD2000 German PV Code and today the vessel was inspected by TüV inspector. It looks like a serious error and oversight occurred during production process so that inner- shells longitudinal seam was aligned with heating- jackets...
  3. Jezovuk

    PED- Allowable pressure dropp (pressure loss)

    Hallo to everyone! I would like to hear an expert opinion about permissible pressure loss according to PED 97/23? We tested a vessel (V=20L) with O-ring at a pressure of P1= 5 bar and after 2 hours the pressure drop was 2 bar (P2=3bar). I just can´t find a reference in Pressure equipment...
  4. Jezovuk

    Eccentric cone with angle 45° (ASME VIII-1)

    Hello to all, I have a little problem with one pressure vessel with eccentric cone. (α~45°- see the attached picture) In UG-32 (g)(2) stands that angle should not be larger than 30°. However, 1-5 (g) say that junctions with angle grater than 30° are allowed but only if design is based on...
  5. Jezovuk

    Groove dimension for Internal and External pressure (Vaccum)

    Hello! I'm constructing a pressure vessel which is intended to work with both- internal pressure (4 bara) and vacuum (~0,2 bara)- (not simultaneously of course). The vessel have normal flange and cover (static- axial sealing). When i look at the catalogs, manufacturers always separate internal...
  6. Jezovuk

    Buffer tank sizing

    Hallo! I have a task to determine dimensions of a buffer tank for nitrogen. Tank must ensure enough quantity of nitrogen to supply working equipment for 10 [min], with pressure 7 [barg] and with flow rate of 4 [Nm3/ min]. Working temperature is -10 to +40 [°C]. Tank is filled up to 15 [bar] and...
  7. Jezovuk

    Industrial agitators simulation- which CFD software?

    Hello! I am a mechanical engineer currently working for mid size company in Germany that produces industrial agitators and pressure equipment. We are currently considering buying a CFD software that will allow us to go deeper in mixing process and to develop better agitators. I have no huge...
  8. Jezovuk

    Inserting defined subassembly into assembly

    Hello! How can I insert one assembly (Assembly 1) that has defined mates into another assembly (Assembly 2) in such a way that all components of both assemblies are visible in a BOM? I mounted assembly 1 in assembly file than go to "save as copy"/ assembly 2 and than iserted assembly 2 as...
  9. Jezovuk

    Unfortunately moving to SolidWorks

    Hello! I was a ProE user at first and than changed to NX UG and was really pleased with that software. I think NX is unique and irreplaceable and i'm sad for having to change to SW at work. So, i have a few questions. 1. Is SW more similar to ProE or NX? 2. In NX one have a posibility to...
  10. Jezovuk

    Changing to SolidWorks

    Hello! I was a ProE user at first and than changed to NX UG and was really pleased with that software. Now, my company is changing to SW and i have a few questions. 1. Is SW more similar to ProE or NX? 2. In NX one have a posibility to directly insert a cylinder or a box for example, and...
  11. Jezovuk

    Flow simulation- Inlet and outlet boundary condition

    Hello! I have a problem defining inlet and outlet boundary rules for "gas pressure regulator" flow simulation of methane gas. My inlet conditions are: - Inlet pressure= 1 bar (relative pressure) - Inlet speed= 55 m/s My outlet condition is: - Outlet pressure= 0.1...
  12. Jezovuk

    Motion simulation- no contact at zero time

    Hello! I started using motion simulation a few weeks ago, so I am new in this area. My problem is presented at picture attached. I want to simulate a motion of rod and lever. The lever is pushed by Pin 1 when plate is moving left to right and pushed by Pin 2 when plate is moving right to left...
  13. Jezovuk

    Custom template draft and model in the same file?

    Hello! I created my custom template and changed the .pax file as explaned on this forum. Now, when i go to NEW/ DRAWING i can pick my new template and choose which part i want to draft. Then i save that file and it creates a new file with extension XXXXX_dwg1.prt next to my existing part...
  14. Jezovuk

    Assembly problem- copying folder to another location

    Hello! I have a relative complex assembly that is located in a folder on C partiton. Now i need to make random section of some parts but i dont want to do that on original assembly. So i copy whole folder from C to D partition. Now, i open assembly from D partition and make section. But...
  15. Jezovuk

    "Edit work section" settings (Part section coluor)

    Hello! When I assign certain colour and a material to a part and than want to see a section cut I go to "Edit work section". In there I set "Cap settings" to "body colour". Now the section should be the same colour as the rest of the body but it is not! The sam thing happends in assembly mode...
  16. Jezovuk

    Temperature drop in gas pressure regulator for CNG

    Best regards! I' am mechanical engineer from Krajina and I have a task to construct gas pressure regulator for compressed natural gas. Here are some characteristics of the regulator: Inlet pressure: 250 bar Outlet pressure: 4 bar Volume flow: 100 m^3/h Inlet diameter: 1/2" Outlet diameter...

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