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Forum: CONVERGE

December 12, 2017, 17:41

Replies: 7

Spray Calculator

Views: 1,391

Posted By tmburton

Hamed, Under those conditions, I see peak...

Hamed,

Under those conditions, I see peak pressures of 2085 bar for C_D=0.8, and 1334 bar for C_D=1.0. If these values are too high then you should check your injection duration, injected mass,...

Forum: CONVERGE

December 6, 2017, 17:41

Replies: 7

Spray Calculator

Views: 1,391

Posted By tmburton

Hamed, I plugged your rate shape into our...

Hamed,

I plugged your rate shape into our PFI example case and used the spray rate calculator as a quick check (see attached). Our example case has 4 nozzles each of 250 micron diameter. Your...

Forum: CONVERGE

December 6, 2017, 15:25

Replies: 7

Spray Calculator

Views: 1,391

Posted By tmburton

Hamed, Is your engine speed 1250 RPM? When...

Hamed,

Is your engine speed 1250 RPM? When I plug this into the spray rate calculator with your rate shape, I get peak pressures around 890 bar.

Best regards,

Tristan

Forum: CONVERGE

November 8, 2017, 11:30

Replies: 7

Spray Calculator

Views: 1,391

Posted By tmburton

Hamed, The rate shape you enter in CONVERGE...

Hamed,

The rate shape you enter in CONVERGE Studio during spray setup is just a way of prescribing the shape of the mass flow rate vs. time profile for your injection event. CONVERGE will shift...

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