We have detected that cookies are not enabled on your browser. Unit iii unit iii steam nozzles and turbines flow of steam through nozzles, shapes of nozzles, effect of friction, critical pressure. The flow of steam through nozzles may be regarded as adiabatic expansion. In an embodiment, the shell differential expansion detector device includes a housing. Differential expansion sensitivity studies during steam turbine startup article in journal of engineering for gas turbines and power 86 september 2015 with 370 reads how we measure reads. Steam turbine start up free download as powerpoint presentation. The casing temperatures and rotorstator differential expansion, measured during the.
We are using bently nevada 3300 xl 25 mm transducer. Download ebooks in pdf, epub, tuebl and mobi format for free or read online ebooks, available for kindle and ipad. This handbook is intended to assist graduate students with qualifying examination preparation. A sleeve surrounds the distal part of the first rod on an. Differential expansion of steam turbine generators. Find, read and cite all the research you need on researchgate. The first rod further includes a proximal part within the housing.
Download ebook in pdfepubtuebl format or read online free. Differential expansion sensitivity studies during steam. The generator half of the double flow low pressure section case is free to move toward the generator. Ges steam turbine technology programs have always strongly. A shell differential expansion detector and turbomachine including a detector are disclosed. Pdf integrated approach for steam turbine thermostructural. In some turbines they are also anchored at free end thrust bearing anchor.
Differential expansion on a turbine is the relative measurement of the rotors axial thermal growth with respect to the case. Differential expansion sensitivity studies during steam turbine. Using reheat in a cycle increases the work output from the turbine and also the expansion reaches conclusionfrom the turbine and also the expansion reaches conclusion before the steam condenses, there by minimizing the erosion ofbefore the steam condenses, there by minimizing the erosion of 15. Please enable cookies to ensure the proper experience. For hp differential expansion we are using direct differential expansion probe, and for lp differential expansion we are using. Pdf in order to achieve the highest power plant efficiency, original equipment manufacturers. Differential expansion it is the difference between the rotor expansion. Above 600 rpm rotor relative vibrations should be monitored. Differential expansion of steam turbine generators by chris james skf reliability systems turbine supervisory instrumentation. Steam turbines startups 1 principles of steam turbines startups. Differential expansion of steam turbine generators 34wm0q69kyl7.