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Hi Guys I was wondering if anybody knows of any industrial strength adhesives that would bond nylon to steel? The application is a 2m long wear pad and bolts arent really ideal as the pad is difficult to access so need as much wear as possible. The pad would be subject to high shear loads...

Thanks for going through it ione much appreciated :) I guess what I am trying to do is work out if sea water at 4.5 deg C can be cooled to -2.33 deg C inside the pipe. This temperature will induce the onset of freezing. The water will flow at worst case once a month so its quite a long time for...

Hi Again The application is a pipeline in a fire pump system. Just trying to work out if it will freeze as if it is possible then we would have to trace heat and/or lag the piping. Ione, I followed your approach but ended up with 2.4 micro seconds! Can I ask why on the thermal wizard site I...

Attached guide is below.http://files.engineering.com/getfile.aspx?folder=889934f9-9f4e-45d3-81a4-8b881161da37&file=pipe_freeze_calc.pdf

Hi Everyone I am trying to calculate if (at all) sea water will freeze inside a pressurised 12" carbon steel pipeline at 5 bar. The water will be non moving so I assume mass flow rate will be 0? The wind speed will be taken to be 12.5 m/s. Air temp has been -15 C last night. I have been...

thanks for pointing that out. was just wondering if anybody has worked on linkspans in particular ?

Hi guys Not sure if this is the right forum if I should be in mechanical section instead but I was just wondering if anybody knows any good websites or texts that deal primarily with linkspan design? In particular regarding Roll on roll off designs for ferries etc? I understand that it...

Hi Thanks for replying and sorry for the poorly worded question The jockey pump is rated at 250 l/min. I guess what I am asking is that what should I be factoring in to the losses to determine if opening a hydrant valve will cause the fire pump to start? The jockey pump should be able to...

Hi everyone Sorry if this is a silly question but I am unsure and dont want to get it wrong. I am involved in a project that is designing a fire pump system. A jockey pump maintains pressure at around 7 bar. If a hydrant is opened (350m away) supplied from a 10" main, will the drop in pressure...