I know 0 Kelvin = -273 degC, but if you have got a rate specified as 140 K/hr, would that be the same as 140 degC/hr which I think is correct. But if I convert the 140 K into degC, I'll get -133.15 degC but the rate is still 140 degC/hr. Why can't I just convert the K to degC to get the K/hr to...
I know it is not allowed to use any other materials for ASME-I design other than ASME - II Part D. But from my understanding, the repair jobs are done to NBIC -part 3. Due to difficulties in sourcing ASME materials for a very short length tube, I'm contemplating using EN materials. I was just...
I know by using globe valve I can control the flowrate at a constant pressure drop. However, I am looking for a valve that can change the flowrate at different pressure drops. I got a 20 m line with enters to various boilers at different segments. For example, at boiler number 1, 2, 3, the...
From my understanding, a flow control valve is a globe with an actuator on it. From Crane book, I found the equation for the K value of 340 x ft. ft = friction factor. Using this equation I get a pressure drop of 0.018746781 bar. However, my colleague was saying he always uses 1 bar pressure...
The exhaust gas from the engine is passed through, inlet duct, bundle of tubes, and outlet duct, in a smoke tube boiler. How can I calculate the reduction in noise level? Thanks.
By tube sheet support, I mean the helical tube is supported by the tube sheet. The water is inside the tubes. Plus, how the coefficient of friction changes with increase in temperature? On engineering toolbox website for steel to steel it's 0.5 - 0.8 which sounds very high. Thanks.
Looking at para-27.4.2, in the first line it says the temperature is the mean wall temperature and then in the end of the second line it says it should be higher than the saturation temperature of the fluid (tubes that do not absorb heat).
For example: Case - tube that absorbs heat.
The mean...
Another related question, is it necessary to use hot modulus to calculate the deflection? The hot gases are flowing around the tubes, and there is hot water at high pressure inside the tubes.
