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Thank, FEA way. But mesh are very fine down to 1mm. And the initial temperature is applied to all bodies. Any other place could I did wrong?

Hi, In solidworks thermal simulation, I built up this following model: Have 70 piece of IR LED arranged on a round 8-inch PCB, each LED is 11W. Set the LED emissivity as 0.9, the material to be heater emissivity as 0.6 All body initial temperature as room temperature. All face convection as...

I want to observe the sand in two-phase (gas and water) flow, how to show its travel in star ccm+? Then I just want to inject one sand, but the injector in star ccm looks like show bunch of them, there should a way to do that, but I didn't find out. Thanks.

How to choose DC motors to drive rotary table?

Thanks. It looks I made a mistake to use 304.1.2 instead of K304.1.2

Hello, folks, We did a 3" cement high pressure piping, wall thickness is 0.75" as spec. request, material is AISI 4130N, which come out 3.625"OD x 2.125"ID. But right now they want us to find some equations from ASME B31.3 to proof it worked for 10,000psi. I find a equation at 304.1.1 (3a) from...

Do anybody know is there some API standard mentioned hammer union (high pressure, eg. Fig 1002, Fig 1502)? To me, I have no idea if there is an API Spec about that, to my knowledge, only screw been mentioned. Thanks!