cold-end drive
| 21:45 Dec 25, 2011 |
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| English to Polish translations [PRO] Tech/Engineering - Mechanics / Mech Engineering | |||||||
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| 4 | odbiór mocy od strony sprężarki |
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Answers
5 hrs confidence: 
odbiór mocy od strony sprężarki Explanation: ew. dosłownie: odbiór mocy od strony zimnej Hot-end drives. Gas turbines can be arranged in one of two ways: as a hot-end drive configuration or a cold-end drive configuration. The hot-end drive configuration is more common. In a hot-end drive configuration, the location of the gas turbine output shaft is at the turbine end where exhaust gases can reach high temperatures. Cold-end drives. By comparison, in the cold-end drive configuration, the gas turbine output shaft connects to the front of the air-compressor. Określenie "turbina gazowa" odnosi się do maszyny składającej się ze sprężarki i turbiny (połączonych zwykle wspólnym wałem), oraz komory spalania umieszczonej pomiędzy nimi. Jeśli na turbinie generowana jest większa moc od mocy pobieranej przez sprężarkę, to jej nadmiar może zostać odprowadzony do dowolnej maszyny, np. generatora elektrycznego. http://pl.wikipedia.org/wiki/Turbina_gazowa -------------------------------------------------- Note added at 5 hrs (2011-12-26 03:09:34 GMT) -------------------------------------------------- Zgubiłem pierwszy odnośnik: http://chemeng-processing.blogspot.com/2011/05/specifying-ga... [poniżej zacytowanego tekstu są obrazki ilustrujące budowę turbiny gazowej] -------------------------------------------------- Note added at 1 day1 hr (2011-12-26 22:55:10 GMT) -------------------------------------------------- Zamiast "od strony" może być "po stronie" - kwestia gustu. Nie chodzi natomiast o "pobór mocy" (jak w komentarzu), lecz o odbiór mocy: http://tinyurl.com/c5dooyp |
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Reference comments
4 hrs |
| Reference Reference information: In the hot-end-drive configuration the output shaft is at the turbine or exhaust end, where the higher temperatures can affect bearing life and make servicing of those bearings more difficult. In the cold-end-drive configuration, the output shaft extends out the front of the compressor, allowing the exhaust gas flow to be axial in some models (Figure 4). With a cold-end-drive turbine, the driven equipment is also relatively cooler and easier to service. - http://www.powermag.com/gas/Selecting-Your-Next-Combustion-T... -------------------------------------------------- Note added at 5 hrs (2011-12-26 02:50:53 GMT) -------------------------------------------------- Coupling the generator to the cold (compressor) end of the gas turbine possess the obvious advantage that the turbine exhaust gas can be discharged through a simple axial diffuser which can be connected directly in line with any heat-recovery system. This arrangement has proved ideal for all cogeneration and combined-cycle applications of gas turbines over the past 30 years. The cold-end drive is particularly well suited to single-shaft combined-cycle power blocks which are being widely adopted by electrical utilities worldwide. The cold-end drive virtually doubles the torque that normally has to be transmitted to the gas turbine compressor because the power turbine does not drive the generator directly, as is the case with hot-end drive, but through the compressor. - http://www.electricity-today.com/et/Oct96/turb.htm Cold-end-drive option. The typical single-shaft combustion turbine has the compressor and turbine sections on opposite ends of the shaft. The driveshaft in this figures extends from the compressor section, hence it is a cold-end-drive engine. If the driveshaft extended from the turbine end, it would be a hot-end-drive engine. Source: WorleyParsons Services Pty Ltd. - http://www.powermag.com/gas/Selecting-Your-Next-Combustion-T... |
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