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Hi georgeverghese, Many thanks for the reference. The equation available in the Perry's 6th or 7th edition is quite generic and does not account the k = cp/cv. Also the separate simulation of expander to estimate the head and then use it in gas turbine is last option in my mind as data is quite...

The tool requires series (flow vs head) instead of flow vs Pressure ratio I have to convert the available Pressure ratio in to head? For which I require head as a function of Pressure ratio?

Aperti, to reduce the number of inputs which results in more better control during dynamic modelling. But how gas law helps me to estimate the HEAD for expander???? Have you seen the compressor head equation in attachment of my last reply? I need similar equation.

To include performance maps of the turbine/expander in to my model. So that the number of inputs reduces to speed specification only. My modeling tool require performance map data in terms of volume flow rate vs head for different speeds. For this purpose I require head equation as a function of...

Dear Guys, Yes I have turbine inlet and turbine outlet temperature. The inlet flow rate and gas composition is defined.MY problem is well defined and degree of freedom is zero at the moment. The solution is there. The Only question at the moment is to plug the series of volume flow rate vs...

I have to plug in the data for volume flowrate vs head and volume flow rate vs efficiency, in series. to calculate the steady and dynamic response of the Gas turbine. I have data of mass flow rate versus pressure ratio which needs to be converted to volume flow rate versus head?

I am looking for head drop equation?

Thanks EmmanuelTop, I have to convert the Pressure ratio in maps in to head term to be used in Aspen Hysys as it takes only head instead of pressure ratio

Please elaborate the HEAD ESTIMATION EQUATION for the expansion of the gas through Expander/turbine? The similar equation for the compressor is in attachment; Can some body help me similar equation for the TURBINE/EXPANDER??? Any reference please? Regards...