Turbine Engine: full power ... LOUD!

This is more film of the GE LM1500 gas turbine engine running at the S&S Turbines open-air test cell. All the noise in the beginning is made by the start cart, which is a 90Hp turbine engine. Even when you hear the LM1500 start to wind up, it's not even running until you see the heat waves coming out the back of it. This happens when the operator opens the fuel valve at around 2,000 rpm. In the middle of the video, when the noise in an unbearable shriek, the engine is turning just over 7000 rpm, and is blowing hot air out the jetpipe to the tune of a little more than 15 thousand horsepower. The air flow through the engine at full power is about 150 pounds per second. In the view of the control room screen, the numbers are as follows from left to right along the top of the screen: EGT or Exhaust gas temperature in degrees Celsius, measured just after the last stage of the turbine, which is just behind the second green steel frame holding the engine. Next is RPM. This engine has basically one rotating shaft, and you can just barely see the 1st stage compressor blades moving on shutdown. Engine RPM is of this common shaft, upon which all compressor and turbine stages are mounted. 5,000 rpm is idle speed for this engine. Last, on the right, is lube oil pressure, in pounds per square inch. These engines have roller bearings, not journal bearings like a car engine, so oil pressure is mainly an indication of oil flow. A lot of flow is needed, because the oil is used as a coolant for the main bearings. The engine will run with no oil pressure, except the bearings will overheat, so monitoring of oil flow is very important. This is the same engine you see in "Starting a large turbine engine" Note: All references to podracers will be deleted. If you have to ask why, it can't be explained to you.

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The SGT-800 gas turbine is available in three versions with power output of 47.5, 50.5 and 53.0 MW respectively. The industrial gas turbine combines a robust, reliable design with high efficiency and low emissions. This makes it an ideal choice for municipal and industrial power generation, refineries, and the oil and gas industry. Its high Exhaust energy content makes the SGT-800 particularly well suited for combined heat and power and combined-cycle applications. Reliability, environmental compatibility, and low lifecycle costs are the key features of the SGT-800: With up to 60,000 operating hours (EOH) between major overhauls, low maintenance costs, and an excellent electrical efficiency, the SGT-800 achieves the lowest lifecycle costs and the best combined-cycle efficiency within its class. The SGT-800 can burn numerous fuels, e.g., from liquid fuel to natural gas. The maintenance options include on-site maintenance or modular overhaul, as well as the option for off-site maintenance with quick engine exchange for maximized availability. Benefits Gas turbine available in three ratings; 47.5 MW, 50.5 MW and 53.0 MW, with competitive lifecycle costs: plant design with focus on investment cost, availability, cycle efficiency, emissions, operational flexibility and long service life Designed according to international codes, standards and directives and with HSE (Health, Safety and Environment) compliance Best emissions performance in the 40-60 MW(e) class on dual fuel (dry) in the 50-100% load range "Best in class" gas turbine in combined heat and power plants and combined cycle plants within the 40-60 MW(e) class Core engine with industrial design, single shaft (two tilting pad bearings), cold-end drive, and 3rd generation DLE system On-load fuel-changeover capability (gas to oil and oil to gas) Load rejection capability with ample margin to trip speed Flexible service concept for onsite maintenance - hot section "strip", modules or gas turbine replacement. FROM http://www.energy.siemens.com/hq/en/fossil-power-generation/gas-turbines/sg t-800.htm




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