#ONLINE STEAM ENGINE WORKDONE CALCULATOR SERIES#

Isentropic Efficiency:В This is the efficiency which compares the actual output with the ideal isentropic output to measure the effectiveness of extracted work.Д¬HP Electrical Efficiency :В Combined Heat and Power (CHP) electrical efficiency measures the amount of boiler fuel converted into electrical energy or electricity. Commercial industries also calculate efficiencies of these operations to find out the overall efficiency of the entire setup. An important point to note here is that all this discussion did not include the energy loss in heating water and condensing steam. In this type of arrangement stage efficiency calculation method works best.

#ONLINE STEAM ENGINE WORKDONE CALCULATOR SERIES#

It is also possible to link several turbines in series to utilize maximum energy from steam before sending it back to the condenser. The maximum efficiency of impulse steam turbine is achieved at zero degrees angle of inlet blades because this angle keeps the friction at the minimum by reducing the surface area of the blade. This figure is indicating that reaction turbine is more efficient than impulse turbine.ДЇigure 1: Blade efficiency of impulse and reaction steam turbine The following figure 1 is showing the graph of blade efficiency for both types of steam turbines. The cosine of this angle plays the central role in defining the efficiency of both impulse and reaction steam turbine. In both cases the angle of guide vanes at the inlet plays an important role which is represented by О±1.

Enthalpy is referred to the heat content of the steam. Blade efficiency is calculated using the velocity of the steam while stage efficiency is calculated by measuring changes in the enthalpy of the steam.

These methods referred as blade efficiency (Йіb) and stage efficiency (Йіs). There are two ways of calculating steam efficiency. It is fairly difficult to calculate work done by turbine because of all these factors and in some cases it is not possible to accurately calculate certain factors like velocity, temperature, or pressure of steam. Here input kinetic energy totally depends on the absolute velocity of the steam at the inlet of steam turbine but work done depends on lots of factors including drop in heat content of steam within the turbine, the angle of guide vanes especially at the inlet of turbines, blade angles, relative velocity of steam in the turbine, etc. Both types of steam turbines have different efficiency due to their different working principles but the efficiency of both types of steam turbines is expressed by the following equation.Д®fficiency (Йі) = Work Done / Input Kinetic Energy There are two types of steam turbines impulse turbine and reaction turbine. The electrical generating efficiency of standard steam turbineВ power plants varies from a high of 37%В HHV4 for large, electric utility plants designed for the highest practical annual capacity factor, to under 10% HHV for small, simple plants which make electricity as a byproduct of delivering steam to processes or district heating systems.

Velocity of input steam (which in turn depends on the temperature and pressure of steam).

In the case of steam turbines following factors decides the overall efficiency f the turbine. But in the real world, it is not possible to build a turbine with 100% efficiency because of friction in the parts of turbines, heat loss, and other such losses. The efficiencyВ of any turbine or engine can be defined as its ability to convert the input energy into useful output energy which is expressed in the form of the following equation.ДЄn ideal turbine with 100% efficiency is the one which converts all its input energy into output work without dissipating energy in the form of heat or any other form.

Online steam engine workdone calculator