Mollier Diagram Steam The diagram below can be used to determine enthalpy versus entropy of water and steam. download and print mollier diagram for water steam. the mollier diagram is useful when analyzing the performance of adiabatic steady flow processes, such as flow in nozzles, diffusers, turbines and compressors. see also water enthalpy (h) and entropy (s. Hp steam is exhausted at vacuum conditions and is condensed against a cooling utility. steam turbines typically rotate at 3,000–15,000 rpm. at that speed, water droplets can form and unbalance the turbine blades, causing severe mechanical damage. bpsts can usually operate safely at up to 3% moisture (i.e., a minimum steam quality of 97%).
E Mollier Diagram With The Process Temperatures And Vapour Pressure For The term “mollier diagram” (named after richard mollier, 1863 1935) refers to any diagram that features enthalpy on one of the coordinates. commonly used mollier diagrams are the enthalpy entropy (or h s) diagram (below) and the pressure enthalpy diagram illustrated at the bottom of this page. the enthapy entropy or h s diagram:. The only important parameter that is not easily evaluated from the pressure enthalpy diagram is the steam turbine adiabatic efficiency. following the development of the second l aw we introduce the usage of the enthalpy entropy ( h s ) or mollier 5 diagram as a companion diagram specifically for evaluating the turbine adiabatic efficiency. Humidifying air by adding steam. if steam is added to the air the state will change along a constant dh dx line for steam as indicated in process a to b in the mollier diagram above. when adding saturated steam at atmospheric pressure the constant line dh dx = 2502 kj kg (the evaporation heat of water at atmospheric pressure). Calculating cooling coil. the cooling coil we are using is chilled water fed, with a temperature of 12 °c in and 6 °c out. 1: marking points in the diagram. we start with the easy part, that is putting the fixed points into the diagram. we begin by locating the outside and inside condition and drawing a line between them.
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