Thursday, January 9, 2014

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Physics tehtv, pinteess. - Plaza Plaza discussions
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Hi there! So,'m really pinteess tn one of the four physics tehtvn oikee tied with ange how to PSIS to the top. Lytyiskhntlt lactic acid jeesi? Hyryturbiiniin future superheated vesihyryn pressure p1 = 10MPa and lmptila T1 = 800K. The turbine lactic acid isentropic hytysuhde lactic acid ns = 0.85. Vesihyryn pressure turbine after p2 = 50kPa. Connect to the turbine's energy balance and explain tekemsi assumptions. Tuorehyryn mass flow is 30kg / s Calculate the power of the turbine and the turbine Hyry moisture content after.
Hi there! So,'m really pinteess tn one of the four physics tehtvn oikee tied with ange how to PSIS to the top. Lytyiskhntlt jeesi? Hyryturbiiniin future superheated vesihyryn pressure p1 = 10MPa and lmptila T1 = 800K. The turbine isentropic hytysuhde ns = 0.85. Vesihyryn pressure turbine after p2 = 50kPa. Connect to the turbine's lactic acid energy lactic acid balance and explain tekemsi assumptions. Tuorehyryn mass flow is 30kg / s Calculate the power of the turbine and the turbine Hyry moisture content after. Search for any ksiisi vesihyryn lactic acid h, s-diagram. Looking at the penis Hyry enthalpy mode to 100 bar and 527C -> mark the point of the drawing and read the enthalpy h1 = 3440 kJ / kg (approx). Ved pisteest a vertical line down the pressure at 50 kPa (0.05 bar) up to and read the isentropic expansion enthalpy H 2 = 2035 kJ / kg. The turbine isentropic hytysuhde is ns = 0.85, allows you to get a true loppuentalpian h2 = h1 - the so-called * (H 1-H 2) = 2245 kJ / kg. The turbine will now be akselitehoksi PT = 30 kg / s * (3438-2245) = 35.85 MW. Removed from the turbine vesihyryn hyrypitoisuuden you will find the pressure of 0.05 bar and enthalpy leikkauspisteest 2245, ie, x2 = 0.87, and the fluid content of 0.13 or 13%.


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