Disclosure to Promote the Right To Information

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  इ टरन ट म नक Disclosure to Promote the Right To Information Whereas the Parliament of India has set out to provide a practical regime of right to information for citizens to secure access to information
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इ टरन ट म नक Disclosure to Promote the Right To Information Whereas the Parliament of India has set out to provide a practical regime of right to information for citizens to secure access to information under the control of public authorities, in order to promote transparency and accountability in the working of every public authority, and whereas the attached publication of the Bureau of Indian Standards is of particular interest to the public, particularly disadvantaged communities and those engaged in the pursuit of education and knowledge, the attached public safety standard is made available to promote the timely dissemination of this information in an accurate manner to the public. ज न1 क अ+धक र, ज 1 क अ+धक र Mazdoor Kisan Shakti Sangathan The Right to Information, The Right to Live प0र 1 क छ ड न' 5 तरफ Jawaharlal Nehru Step Out From the Old to the New IS (2006): Gas turbines - Vocabulary [ETD 15: Rotating Machinery]! न $ एक न' भ रत क +नम-ण Satyanarayan Gangaram Pitroda Invent a New India Using Knowledge! न एक ऐस खज न ज कभ च0र य नहB ज सकत ह ह Bhartṛhari Nītiśatakam Knowledge is such a treasure which cannot be stolen ISO 11086:1996 %3ewl$f wdd Indian Standard GAS TURBINES VOCABULARY ICS ; BIS 2006 BUREAU OF INDIAN STANDARDS MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG NEW DELHI Apri/ 2006 Price Group 14 Rotating Machinery Sectional Committee, ET 15 NATIONAL FOREWORD This Indian Standard which is identical with ISO : 1996 Gas turbines Vocabulary issued by the International Organization for Standardization (ISO) was adopted by the Bureau of Indian Standards on the recommendation of the Rotating Machinery Sectional Committee and approval of the Electrotechnical Division Council. The text of the ISO Standard has been approved as suitable for publication as an Indian Standard without deviations. Certain conventions are, however, not identical to those used in Indian Standards. Attention is particularly drawn to the following: a) Wherever the words International Standard appear referring to this standard, they should be read as Indian Standard. b) Comma (, ) has.been used as a decimal marker while in Indian Standards, the current practice is to use a point (. ) as the decimal marker. For the purpose of deciding whether a particular requirement of this standard is complied with, the final value, observed or calculated expressing the result of a test or analysis, shall be rounded off in accordance with IS 2:1960 Rules for rounding off numerical values (revised). The number of significant places retained in the rounded off value should be the same as that of the specified value in this standard. ISO11086:1996 hdkm GAS TURBINES Standard VOCABULARY Scope This International Standard aives terms and definitions used in the field of gas tu;bines. It applies to opencycle gas turbines (using normal combustion SySsemiclosed-cycle and combined- terns), closed-cycle, cycle gas turbines. Domaine d application La prt$sente Norme internationale donne Ies termes et definitions utilis6s clans Ie domaine des turbines ~ gaz. Elle est applicable aux turbines ~ gaz ~ cycle ouvert (utilisant des syst~mes de combustion normaux), ainsi qu aux turbines b gaz ~ cycle ferm6, semi-ferm6 ou combin& 1 Gas turbines Kinds and types 1 Turbines a gaz Types 1.1 gas turbine (single unit) rotating machine which converts thermal energy into mechanical work, consisting of a compressor(s), a thermal device(s) which heat(s) the work: ing fluid, a turbine(s), a control system, and auxiliary equipment NOTE Examples of gas turbine systems are shown in annex A. 1.1 turbine A gaz (unit6 simple) machine rotative transformant I energie thermique en 6nergie mr5canique, comprenant un ou plusieurs compresseur( s), un ou plusieurs dispositif(s) thermique(s) destin6(s) ~ r6chauffer Ie fluide moteur, une ou plusieurs turbine(s), un syst~me de regulation et un equipment auxiliaire NOTE Des exemples illustr6s de sys{bmes de turbine ~.gaz sent donm% clans I annexe A. 1.2 gas turbine power plant gas turbine engine and all essential equipment necessary for the production of power in a useful form (e.g. electrical, mechanical or thermal) 1.2 installation A turbine A gaz ensemble form6 par une turbine ~ gaz et tous Ies dquipements essentials rv$cessair.es ~ la production d 6nergie sous une forme utile (par exemple, 6nergie 61ectriaue, mbcaniaue ou therriiaue) ISO 11086: open-cycle cycle ouvert thermodynamic cycle in which the working fluid en- cycle thermodynamique clans Iequel Ie fluide moteur ters the gas turbine from the atmosphere and is entrant clans la turbine h gaz vient de I atmospht?re et discharged into the atmosphere s 6chappe clans l atmosph&e 1.4 closed-cycle thermodynamic cycle having a recirculating working fluid independent of the atmosphere 1.4 cycie ferm6 cycle thermodynamique clans Iequel Ie fluide moteur est ind6pendant de I atmosphere et est continuellement recyc semiclosed-cycle thermodynamic cycle utilizing combustion in a working fluid that is partially recirculated and partially exchanged with atmospheric air 1.5 cycie semi.ferm6 cyclethermodynamique clans Iequel la combustion se produit clans un fluide moteur patiellement recyci6 et partiellement r6g&&6 par de l air atmosph6rique 1.6 internal combustion gas turbine in which within the working fluid gas turbine tfie combustion takes place 1.6 turbine A gaz ~ combustion interne turbine ~ gaz clans Iaquelle la combustion se produit clans Ie fluide moteur 1.7 e~ernal combustion gas turbine gas turbine in which the combustion takes place in an external region and heat is transferred to the working fluid 1.7 turbine A gaz A combustion externe turbine ~ gaz clans Iaquelle la combustion se produit clans une r6gion externe et la chaleur est transmise au fluide moteur 1.8 simpis cycle thermodynamic cycle consisting only of successive compression, combustion and expansion 1.8 cycie simpi9 cycle thermodynamique constitu6 uniquement, et clans I ordre, d une compression, d une combustion et d une d6tente 1.9 regenerative cycie thermodynamic cycle employing exhaust heat recovery, consisting of successive compression, regenerative heating, combustion, expansion and regenerative cooling (heat transfer from the exhaust to the compressor discharge fluid) of the working fluid 1. 9 cycie avec r4cup6ration cycle thermodynamique utilisant la chaleur des gaz d 6chappement et comportant, successivement, une compression, un r6chauffage (par r6cup6ration), une combustion, une d6tente et un refroidissement du fluide moteur (par tranfert de chaleur des gaz d 6chappement au fluide sortant du compresseur) 2 ISO11066: intercooled cycle cycle ~ refroidissement interm6diaire thermodynamic cycle employing cooling of the work- cycle thermodynamique clans Iequel Ie fluide moteur ing fluid between stages of successive compression est refroidi entre Ies &ages successifs de compression reheat cycle cycle avec r6chauffage thermodynamic cycle employing the addition of heat cycle thermodynamique clans Iequel une certaine to the working fluid between stages of expansion quantit~ de chaleur est fournie au fluide moteur entre Ies &ages de d6tente 1.12 combined cycle thermodynamic cycle employing the combination of a gas turbine cycle with a steam or other fluid Rankine cycle NOTES 1 In a common example, the gas turbine exhaust heat is used to generate steam for the Rankine cycle. 2 The superior thermal performance of this cycle is due to a combination of the best thermodynamic attributes of each cycle, namely the addition of thermal energy at higher temperatures in the gas turbine cycle and the rejection of thermal energy at lower temperatures in the Rankine cycle cycle mixte cycle thermodynamique clans Ie quel un cycle de turbine ~ gaz est combing avec un cycle de Rankine ~ vapeur ou fluide d autre nature NOTES 1 Dans un exemple courant, la chaleur des gaz d 6chappement de la turbine ~ gaz est utilis6e pour produire la vapeur utilis4e clans Ie cycle de Rankine. 2 Le rendement thermique sup&ieur de ce cycle est do ~ la combinaison des meilleures qualit6s thermodynamiques de chaque cycle, ~ savoir I adjonction d 6nergie thermique -aux temp&atures 4ev6es clans Ie cycle de la turbine ~ gaz et Ie rejet d ~nergie thermique aux basses temperatures -clans Ie cycle de Rankine T3 single-shaft gas turbine turbine A gaz ~ un arbre gas turbine in which the power produced by the ex- turbine ~ gaz clans Iaquelle la puissance produite par Ie pansion process is delivered through one shaft which processus de d&ente est mise 3 disposition par l inis mechanically connected to the compressor and the term6diaire d un seui arbre m6caniquement accoup16 load such that they all rotate in unison au compresseur et b la charge de telie maniere qu ils tournent tous ~ I unisson 1.14 multi-shaft gas turbine gas turbine in which two or more turbine elements rotate mechanically independently of each other NOTE A multi-shaft gas turbine may be a split-shaft gas turbine which has a free power turbine and a single compressor-turbine shaft or one with multiple compressorturbine spools turbine A gaz ~ plusieurs arbres turbine ~ gaz compos+e d au moins deux 616ments de turbine ayant un arbre distinct NOTE Dans cette cat6gorie entrent Ies turbines ~ gaz ~ arbres s6par6s (split-shaft) ayant une turbine de puissance Iibre et un seul arbre de turbine /J compresseur OLI Ies turbines ~ gaz ~ plusieurs rotors de turbines h compresseur stationary gas turbhae turbine h gitz fixe gas turbine employed as a stationary energy source turbine ~ gaz utilis6e comme source d dnergie fixe, et and not readily movable difficilement d6pla~able 3 ISO11086.: mobile gas turbine gas turbine employed as a stationary energy source but readily movable 1.16 turbine A gaz mobile turbine ~ gaz utilis6e comme source d dnergie fixe, mais facilement d6pla~able 1.17 free piston gas turbine gas turbine utilizing a free piston engine as the source of hot high-pressure gas 1.17 turbine -h gaz ~ piston Iibre turbine ~ gaz utilisant un moteur ~ piston Iibre comme source de gaz chaud d haute pression 1.18 extraction gas turbine bled gas turbine gas turbine which has a substantial portion of its energy output in the form of working fluid diverted from the gas path 1.18 turbine A gaz d soutirage turbine ~ gaz dent une partie consid&able de la production d 6nergie se prdsente sous la forme du fluide moteur pr6iev6 au niveau du circuit des gaz 2 Gas turbines Structure 2 Turbines a gaz Structure 2.1 turbine component of a gas turbine which produces mechanical power from the expansion of the working fluid 2.1 turbine 616ment d une turbine ~ gaz qui produit de I energie m6canique ~ partir de la d&ente du fluide moteur 2.2 compressor component of a gas and temperature of mechanical power turbine that increases pressure Ihe working fluid while using 2.2 compresseur eldment d une turbine d gaz qui utilise I dnergie mecanique pour augmenter la pression et la temperature du fluide moteur 2.3 combustion chamber component of a gas turbine in which fuel (heat source) reacts with the workrng fluid to increase its temperature 2.3 chambre de combustion 616ment de la turbine h gaz clans Ieauel Ie combustible (source de chaleur) r6a6it avec Ie fluide moteur pour augmenter la temperature de ce dernier 2.4 working fluid heater heat source in which the temperature of the working fluid is increased indirectly 2.4 r6chauffeur du fluide moteur source de chaleur qui augmente indirectement la temperature du fluide moteur 4 ISO11066: gas generator assembly of gas turbine components that produces heated pressurized gas to a process or to a free power turbine NOTE It consists of one or more rotating compressors, thermal device(s) associated with the working fluid, one or more compressor driving turbines, a control system, and essential auxiliaw equipment. 2.5 g6n6rateur de gaz ensemble des 616ments d une turbine ~ gaz qui fournit des gaz chauds sous pression ~ un proc6d6 de fabrication ou b une turbine de puissance Iibre NOTE L ensemble est form6 d un ou plusieurs compresseur(s) rotatif(s), d un ou plusieurs dispositif(s) thermique{s) associ6(s) au fluide moteur, d une ou plusieurs turbine(s) d entralnement des compresseurs, d un systbme de r~gulation et des 6quipements auxiliaires essentials. 2.6 regenerator heat exchanger in which heat is transferred from one fluid to another by alternately heating and cooling a third medium 2.6 r6g6n&ateur 6changeur de chaleur clans Iequel la chaleur est transf6rt#e d un fluide ~ un autre par chauffage ou refroidissement d un troisi~me fluide 2.7 precooler heat-exchanger or evaporative cooler which reduces the temperature of the working fluid prior to its initial compression 2.7 pr6refroidisseur 6changeur de chaleur ou refroidisseur par evaporation qui r6duit la temp&ature du fluide moteur avant sa compression initiale 2.8 intercooler heat-exchanger or evaporative cooler (spray intercooler) that reduces the temperature of the working fluid between stages of compression 2.8 refroidisseur interm6diaire Achangeur de chaleur ou refroidisseur par evaporation (refroidisseur interm6diaire d ruissellement) qui r~duit la temperature du fluide moteur entre Ies &ages de compression 2.9 evaporative cooler system that reduces the temperature of the working fluid by means of evaporation of injected water 2.9 refroiciisseur par evaporation systbme qui r6duit la temp&ature par evaporation d eau inject6e du fluide moteur 3 Gasturbines Auxiliariesand 3 Turbines a gaz Equipments accessories auxiliaireset accessoires main gear accouplement principal gears used to reduce or increase the speed of the gas transmission utilis6e pour r~duire ou augmenter la viturbine output shaft tesse de I arbre de sortie de la turbine ~ gaz 5 ISO 11086: turning gear driving assembly employing a power source to rotate the main rotor assembly at some very low speed to prevent uneven cooling and consequently bowing and unbalancing of the rotor after a hot run NOTE It may also be used to provide torque initially to roll the rotor from rest. 3.2 dispositif d entralnement en rotation ensemble d entralnement employant une source de puissance pour faire tourner I ensemble du rotor principal d trbs faible vitesse pour emp~cher toute irr4gu- Iaritb du refroidissement et, par consequent, Ie cintrage et Ie d&s.6quilibrage du rotor apr&s une phase de fonctionnemerrt A chaud NOTE II peut t$galement servir ~ fournir un couple pour lancer Ie rotor au repos. 3.3 starting equipment assembly of components that supplies torque to the gas turbine rotor to accelerate it to a sufficient level of speed where ignition takes place and then the selfsustaining speed is achieved 3.3 6quipement de demarrage ensemble d 616ments fournissant un couple au rotor de la turbine ~ gaz afin de Iui communique une vitesse suffisante pour permettre l allumage et atteindre la vitesse minimale d autonomic 3.4 control system general system used to control, protect, monitor and report the condition of the gas turbine in all of its modes of operation NOTE This includes starting control systems, governor and fuel control systems, speed indicator(s), gauges, electrical supply controls and other controls necessary for the orderly startup, stable operation, shutdown, tripping and/or shutdown for abnormal conditions and standby operation. 3.4 syst~me de contr61e et de commande systbme gr%v$ral servant ~ commander, protdger, surveiller et signaler l &at de la turbine a gaz clans tous ses modes de fonctionnement NOTE Ce systbme comprend Ies syst~mes de commande de d6marrage, Ie rbgulateur et Ie systbme de dosage du combustible, Ie (Ies) indicateur(s) de vitesse, Ies d6tecteurs de pression, Ies commandes d alii nentation en i%ergie 61ectrique ainsi que Ies autres commandes n6cessaires A un bon dr4marrage, b un fonctionnement stable, 3 l arr&, b l arr6t d urgence ettou en cas d anomalies de fonctionnement, et pour te fonctionnement en mode d attente. 3.5 governing system control elements and devices for the control of critical parameters such as speed, temperature, pressure, power output, thrust, clearance, etc. 3.5 systeme de regulation ensemble comprenant Ies +Mments et dispositifs de contr~le des Daram&res critiaues tels aue la vitesse. la temp&ature, la pression, la puissance de sortie, la pouss6e, Ies jeux, etc. 3.6 fuel control system system employed to supply the proper quantity of fuel to the gas turbine combustor(s) 3.6 syst~me de dosage du combustible systbme utilis6 pour s assurer que la bonne quantitb de combustible est fournie d la (aux) chambre(s) de combustion de la turbine A gaz 3.7 speed governor device that regulates the speed of rotation of the governed rotor or shaft 3.7 r6gulateur de vitesse dispositif servant?rr6guler la vitesse de rotation du rotor ou de I arbre 6 Is 15665: 20M 1S011066: speed changer device by means of which the speed-governing system is adjusted to change the speed or power output of the gas turbine during operation 3.8 s61ecteur de vitesse dispositif permettant de r6gler Ie syst~me de r4gu- Iation de vitesse de sorte qu il modifie la vitesse ou la puissance de sortie de la turbine ~ gaz en tours de fonctionnement 3.9 gas temperature controller device by means of which the fuel control system or the air mass-flow control system (via variable geometry components) is adjusted to obta m a preset turbine temperature level 3.9 r6gulateur de la temperature des gaz dispositif permettant de r6gler Ie syst~me de dosage du combustible ou le syst~me de contr~le du d6bitmasse d air (par I intermddiaire d 616ments ~ g40m& trie variable) de manibre A obtenir un niveau prddgfini de temp&ature des gaz de la turbine 3.10 fuel flow control valve valve or other device operating as a final fuel metering element controlling the quantity of fuel input to the gas turbine 3.10 vanne de regulation du d6bit de combustible vanne ou autre dispositif fonctionnant en tant qu 6l6- ment final de dosage du combustible rbgulant la quantit4 de combustible p6n&rant clans la turbine A gaz 3.11 protection system system that protects the gas turbine from any hazard not covered by the contfol system, such as a fire protection system, etc syst~me de protection syst&me prot~geant la turbine A gaz contre tout, risque non pris en compte par Ie syst~me de commande (1 incendie par exemple) 3.12 overspeed control device overspeed trip device control or trip element which immediately activates the overspeed protection system when the rotor speed reaches a preset value 3.12 dispositif de protection contre la survitesse dispositif de d6cienchement en cas de survitesse 61~ment de commande ou de d6clenchement qui met imm6diatement en marche Ie syst&me de protection contre la survitesse Iorsque Ie rotor atteint la vitesse sur laquelle ce dispositif est r6g fuel shut-off valve device which, when activated, immediately stops all fuel flowing to the combustion system 3.13 vanne d arr& -du combustible dispositif qui, Iorsqu il est actionn6, coupe imm& diatement I alimentation en combustible du systeme de combustion 3.14 overtemperature control device overtemperature protective device component(s) of the control system that limit(s) critical temperatures to some preset maximum values 3.14 dispositif de protection contre la surchauffe bk$ment(s) du syst~me de regulation Iimitant Ies temp&atures critiques ~ des valeurs maximales pr&& gb$es 7 ISO11086: overtemperature detector primary sensing element that is directly responsive to temperature and which immediately activates, through suitable amplifiers or converters, the overtemperature protection system when the temperature reaches a preset value 3.15 d6tecteur de surchauffe 616ment sensible ~ la tempc$rature qui d6clenche imm6diatement, au moyen d amplificateurs ou de transformateurs approprids, Ie dispositif de protection ccmtre la surchauffe Iorsque
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