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Hello everyone, Is anyone aware of how the output of turbocharged reciprocating engines deteriorates with the site elevation? I am using std atmosphere figures and at 400 m the reduced air density will certainly lower the massflow entering the the cylinders, and I am wondering how engine...

Hello everybody Is anyone aware of documentation describing the criteria for choosing sleeve type bearings instead of roller or ball type (and vice versa) for applications such as pumps and motors?

Athomas, the use of the two points with interpolation in between seems a nice way to go. Do these values refer to ppm on a per volume basis or per mass? Are these two temperatures verified somehow? At 1st glance they seem a bit high! 1ton : thanks

Hi everybody, I would like to translate the cleanliness factor of a heat exchanger according to HEI to fouling factor according to TEMA. Does anybody know the cleanliness factor definition according to HEI?

I am looking for formulae for calculating sulfur dew point in exhaust flue gases based on H2O content and total sulfur content in fuel. Is anyone aware of literature on this subject?

Thank you all. But I want the 1967 formulation not the 1997 one. Any way I have since located the ASME book at astrologos.org where they claim to reprint rare books. I' ll let you know when I get my hands on it!

I am looking for the IFC-67 formulation for steam properties for Industrial use. I want the equations, not the tables. Has anyone an idea where I might be able to obtain that?

I am looking for a method for calculating sulfur dew point in GT exhaust gases based on H2O content in flue gases and total sulfur content in fuel. Is anyone aware of literature on this subject?

Has anyone ever studied the magnitude of the parasitic (due to hydraulic losses) consumption at part load of hydraulic couplings used to vary the speed of HP pumps at part load , compared to that when a frequency converter is used instead? I am trying to establish without going into much detail...

Thanks ccfowler and poetix 99 for your precious comments on the particular question. Actually the off-design problem of the particular project is more complex because there are many constraints on the expected operation profile. This plant will sell power in an island with a relatively...

Actually the plant is expected to operate down to this regime less than 10% of the total time. However if one does not carefully assess the plant performance at this level one could get seriously burned. The steam bypassing is mentioned because at his operating level the plant operator may be...

Does anyone have an idea on how low one may operate continuously a combined cycle plant- or rather how low such a plant may be designed to operate without by-passing steam? Data available report 40% of nominal load which is too high for the application I am examining My current problem is that...

Does anyone have an idea on how low one may operate continuously a combined cycle plant- or rather how low such a plant may be designed to operate without by-passing steam? My current problem is that I am working on this 2 GTs + 1 ST configuration and I am trying to find out whether I may...