Thermodynamic aspects of power production in thermal, chemical and electrochemical systems (Englisch)
- Neue Suche nach: Sieniutycz, Stanisław
- Neue Suche nach: Poświata, Artur
- Neue Suche nach: Sieniutycz, Stanisław
- Neue Suche nach: Poświata, Artur
In:
Energy
;
45
, 1
;
62-70
;
2011
-
ISSN:
- Aufsatz (Zeitschrift) / Elektronische Ressource
-
Titel:Thermodynamic aspects of power production in thermal, chemical and electrochemical systems
-
Beteiligte:Sieniutycz, Stanisław ( Autor:in ) / Poświata, Artur ( Autor:in )
-
Erschienen in:Energy ; 45, 1 ; 62-70
-
Verlag:
- Neue Suche nach: Elsevier Ltd
-
Erscheinungsdatum:25.12.2011
-
Format / Umfang:9 pages
-
ISSN:
-
DOI:
-
Medientyp:Aufsatz (Zeitschrift)
-
Format:Elektronische Ressource
-
Sprache:Englisch
-
Schlagwörter:
-
Datenquelle:
Inhaltsverzeichnis – Band 45, Ausgabe 1
Zeige alle Jahrgänge und Ausgaben
Die Inhaltsverzeichnisse werden automatisch erzeugt und basieren auf den im Index des TIB-Portals verfügbaren Einzelnachweisen der enthaltenen Beiträge. Die Anzeige der Inhaltsverzeichnisse kann daher unvollständig oder lückenhaft sein.
- 2
-
Introduction to ECOS 2011Stevanovic, Vladimir et al. | 2012
- 3
-
The impact of the EU ETS on the corporate value of European electricity corporationsMo, Jian-Lei / Zhu, Lei / Fan, Ying et al. | 2012
- 12
-
Methods for multi-objective investment and operating optimization of complex energy systemsFazlollahi, Samira / Mandel, Pierre / Becker, Gwenaelle / Maréchal, Francois et al. | 2012
- 23
-
Environmental evaluation of a power plant using conventional and advanced exergy-based methodsPetrakopoulou, Fontina / Tsatsaronis, George / Morosuk, Tatiana / Paitazoglou, Christopher et al. | 2012
- 31
-
Environmental impact and cost analysis of coal versus nuclear power: The U.S. caseVujić, Jasmina / Antić, Dragoljub P. / Vukmirović, Zorka et al. | 2012
- 43
-
Thermoeconomics and Industrial Symbiosis. Effect of by-product integration in cost assessmentUsón, Sergio / Valero, Antonio / Agudelo, Andrés et al. | 2012
- 52
-
A method to determine the power to heat ratio, the cogenerated electricity and the primary energy savings of cogeneration systems after the European DirectiveFrangopoulos, Christos A. et al. | 2011
- 62
-
Thermodynamic aspects of power production in thermal, chemical and electrochemical systemsSieniutycz, Stanisław / Poświata, Artur et al. | 2011
- 71
-
Refrigerant emissions and leakage prevention across Europe – Results from the RealSkillsEurope projectKoronaki, I.P. / Cowan, D. / Maidment, G. / Beerman, K. / Schreurs, M. / Kaar, K. / Chaer, I. / Gontarz, G. / Christodoulaki, R.I. / Cazauran, X. et al. | 2012
- 81
-
Evaluation of corporate energy management practices of energy intensive industries in TurkeyAtes, Seyithan Ahmet / Durakbasa, Numan M. et al. | 2012
- 92
-
Modeling and analysis of selected carbon dioxide capture methods in IGCC systemsSkorek-Osikowska, Anna / Janusz-Szymańska, Katarzyna / Kotowicz, Janusz et al. | 2012
- 101
-
Evaluation of cost reduction potential for a coal based polygeneration system with CO2 captureLi, Sheng / Gao, Lin / Zhang, Xiaosong / Lin, Hu / Jin, Hongguang et al. | 2011
- 107
-
Integration and optimization study on the coal-fired power plant with CO2 capture using MEADuan, Liqiang / Zhao, Mingde / Yang, Yongping et al. | 2011
- 117
-
Reduction of the flue gas recirculation rate in oxycoal processes by means of non-stoichiometric burner operationBlume, Maximilian / Bohn, Jan-Peter / Goanta, Adrian / Spliethoff, Hartmut et al. | 2012
- 125
-
Analysis of gas turbine combined heat and power system for carbon capture installation of coal-fired power plantChmielniak, Tadeusz / Lepszy, Sebastian / Wójcik, Katarzyna et al. | 2012
- 134
-
Investigation of technical and economic aspects of pre-dried lignite utilisation in a modern lignite power plant towards zero CO2 emissionsAgraniotis, Michalis / Koumanakos, Antonis / Doukelis, Aggelos / Karellas, Sotirios / Kakaras, Emmanuel et al. | 2012
- 142
-
Energy and exergy analysis of hydrogen-oriented coal gasification with CO2 captureLiszka, Marcin / Malik, Tomasz / Manfrida, Giampaolo et al. | 2012
- 151
-
Parametric study of GT and ASU integration in case of IGCC with CO2 removalLiszka, Marcin / Tuka, Jakub et al. | 2012
- 160
-
Influence of forward scattering on prediction of temperature and radiation fields inside the pulverized coal furnaceCrnomarkovic, Nenad / Sijercic, Miroslav / Belosevic, Srdjan / Stankovic, Branislav / Tucakovic, Dragan / Zivanovic, Titoslav et al. | 2012
- 169
-
Integrating low steam demand CO shift process to coal based polygeneration energy systems: Process design and analysisHe, Fen / Liu, Pei / Li, Zheng / Ni, Weidou et al. | 2012
- 176
-
Coal and char properties in high temperature entrained flow gasificationTremel, Alexander / Haselsteiner, Thomas / Nakonz, Mario / Spliethoff, Hartmut et al. | 2012
- 183
-
An evaluation of Substitute natural gas production from different coal gasification processes based on modelingKarellas, S. / Panopoulos, K.D. / Panousis, G. / Rigas, A. / Karl, J. / Kakaras, E. et al. | 2012
- 195
-
Exergetic and environmental analysis of a pulverized coal power plantRestrepo, Álvaro / Miyake, Raphael / Kleveston, Fábio / Bazzo, Edson et al. | 2012
- 203
-
Analysis of the use of waste heat obtained from coal-fired units in Organic Rankine Cycles and for brown coal dryingŁukowicz, Henryk / Kochaniewicz, Andrzej et al. | 2012
- 213
-
Porous burners for low emission combustion: An experimental investigationKeramiotis, Christos / Stelzner, Björn / Trimis, Dimosthenis / Founti, Maria et al. | 2011
- 220
-
Optimal coefficient of the share of cogeneration in district heating systemsZiębik, Andrzej / Gładysz, Paweł et al. | 2012
- 228
-
Thermoeconomic analysis of a micro-CHP installation in a tertiary sector building through dynamic simulationCampos-Celador, Álvaro / Pérez-Iribarren, Estibaliz / Sala, José María / del Portillo-Valdés, Luis Alfonso et al. | 2012
- 237
-
Energy and exergy analysis of low temperature district heating networkLi, Hongwei / Svendsen, Svend et al. | 2012
- 247
-
Assessment of community energy supply systems using energy, exergy and exergoeconomic analysisBagdanavicius, Audrius / Jenkins, Nick / Hammond, Geoffrey P. et al. | 2012
- 256
-
Alkanes as fluids in Rankine cycles in comparison to water, benzene and tolueneSiddiqi, M. Aslam / Atakan, Burak et al. | 2012
- 264
-
Minimisation of a heat exchanger networks' cost over its lifetimeNemet, Andreja / Klemeš, Jiří Jaromír / Kravanja, Zdravko et al. | 2012
- 277
-
Optical diagnostics of the combustion process in a PFI SI boosted engine fueled with butanol–gasoline blendTornatore, Cinzia / Marchitto, Luca / Valentino, Gerardo / Esposito Corcione, Felice / Merola, Simona Silvia et al. | 2012
- 288
-
Small modular reactors: Simpler, safer, cheaper?Vujić, Jasmina / Bergmann, Ryan M. / Škoda, Radek / Miletić, Marija et al. | 2012
- 296
-
An innovative pool with a passive heat removal systemVitale Di Maio, Damiano / Naviglio, Antonio / Giannetti, Fabio / Manni, Fabio et al. | 2012
- 304
-
Use of Neural Networks for modeling and predicting boiler's operating performanceKljajić, Miroslav / Gvozdenac, Dušan / Vukmirović, Srdjan et al. | 2012
- 312
-
Zero CO2 emission SOLRGT power systemLuo, Chending / Zhang, Na et al. | 2012
- 324
-
Dynamical simulation of PV/Wind hybrid energy conversion systemBakić, Vukman / Pezo, Milada / Stevanović, Žana / Živković, Marija / Grubor, Borislav et al. | 2011
- 329
-
Combined hydrothermal carbonization and gasification of biomass with carbon captureErlach, B. / Harder, B. / Tsatsaronis, G. et al. | 2012
- 339
-
Co-production of hydrogen and electricity from lignocellulosic biomass: Process design and thermo-economic optimizationTock, Laurence / Maréchal, François et al. | 2012
- 350
-
Experimental determination thermo physical characteristics of balled biomassEric, Aleksandar / Dakic, Dragoljub / Nemoda, Stevan / Komatina, Mirko / Repic, Branislav et al. | 2012
- 358
-
Thermoeconomic analysis of a solar enhanced energy storage concept based on thermodynamic cyclesHenchoz, Samuel / Buchter, Florian / Favrat, Daniel / Morandin, Matteo / Mercangöz, Mehmet et al. | 2012
- 366
-
TSO-STO: A two-step approach to the optimal operation of heat storage systems with variable temperature tanksRech, Sergio / Toffolo, Andrea / Lazzaretto, Andrea et al. | 2012
- 375
-
Conceptual design of a thermo-electrical energy storage system based on heat integration of thermodynamic cycles – Part A: Methodology and base caseMorandin, Matteo / Maréchal, François / Mercangöz, Mehmet / Buchter, Florian et al. | 2012
- 386
-
Conceptual design of a thermo-electrical energy storage system based on heat integration of thermodynamic cycles – Part B: Alternative system configurationsMorandin, Matteo / Maréchal, François / Mercangöz, Mehmet / Buchter, Florian et al. | 2012
- 397
-
Numerical analysis of a medium scale latent energy storage unit for district heating systemsColella, Francesco / Sciacovelli, Adriano / Verda, Vittorio et al. | 2012
- 407
-
Electrothermal energy storage with transcritical CO2 cyclesMercangöz, Mehmet / Hemrle, Jaroslav / Kaufmann, Lilian / Z’Graggen, Andreas / Ohler, Christian et al. | 2012
- 416
-
Study of pumped storage schemes to support high RES penetration in the electric power system of GreeceAnagnostopoulos, John S. / Papantonis, Dimitris E. et al. | 2012
- 424
-
Superstructure-free synthesis and optimization of distributed industrial energy supply systemsVoll, Philip / Lampe, Matthias / Wrobel, Gregor / Bardow, André et al. | 2012
- 436
-
An economic perspective on the optimisation of a small-scale cogeneration system for the Portuguese scenarioFerreira, Ana C.M. / Nunes, Manuel L. / Teixeira, Senhorinha F.C.F. / Leão, Celina P. / Silva, Ângela M. / Teixeira, José C.F. / Martins, Luís A.S.B. et al. | 2012
- 445
-
Calculation of the flow field and NOx emissions of a gas turbine combustor by a coarse computational fluid dynamics modelGobbato, Paolo / Masi, Massimo / Toffolo, Andrea / Lazzaretto, Andrea / Tanzini, Giordano et al. | 2011
- 456
-
Discussion of the effects of recirculating exhaust air on performance and efficiency of a typical microturbineDe Paepe, Ward / Delattin, Frank / Bram, Svend / De Ruyck, Jacques et al. | 2011
- 464
-
The application of CFD modelling to support the reduction of CO2 emissions in cement industryMikulčić, Hrvoje / Vujanović, Milan / Fidaros, Dimitris K. / Priesching, Peter / Minić, Ivica / Tatschl, Reinhard / Duić, Neven / Stefanović, Gordana et al. | 2012
- 474
-
Assessment of biodiesel energy sustainability using the exergy return on investment conceptFont de Mora, Emilio / Torres, César / Valero, Antonio et al. | 2012
- 481
-
Real gas flow simulation in damaged distribution pipelinesKostowski, Wojciech J. / Skorek, Janusz et al. | 2012
- 489
-
Thermal performance and pressure drop in a ceramic heat exchanger evaluated using CFD simulationsMonteiro, Deiglys Borges / de Mello, Paulo Eduardo Batista et al. | 2012
- 497
-
Thermodynamic study of an EFGT (externally fired gas turbine) cycle with one detailed model for the ceramic heat exchangerde Mello, Paulo Eduardo Batista / Monteiro, Deiglys Borges et al. | 2012
- 503
-
Thermodynamic analysis and experimental investigation of a Solo V161 Stirling cogeneration unitRogdakis, E.D. / Antonakos, G.D. / Koronaki, I.P. et al. | 2012
- 512
-
The effect of mechanical rock properties on CO2 storage capacityVulin, Domagoj / Kurevija, Tomislav / Kolenkovic, Iva et al. | 2012
- 519
-
Addressing land use change and uncertainty in the life-cycle assessment of wheat-based bioethanolMalça, João / Freire, Fausto et al. | 2012
- 528
-
Smart metering and systems to support a conscious use of water and electricityFróes Lima, Carlos Alberto / Portillo Navas, José Ricardo et al. | 2012
- 541
-
Acoustic waves generated by a TA (ThermoAcoustic) laser pairChun, Wongee / Oh, Seung Jin / Lee, Yoon Joon / Lim, Sang Hoon / Surathu, Rohit / Chen, Kuan et al. | 2012
- 546
-
Modeling the exergy behavior of human bodyKeutenedjian Mady, Carlos Eduardo / Silva Ferreira, Maurício / Itizo Yanagihara, Jurandir / Hilário Nascimento Saldiva, Paulo / de Oliveira Junior, Silvio et al. | 2012
- 556
-
Heat integration of regenerative Rankine cycle and process surplus heat through graphical targeting and mathematical modeling techniqueLuo, Xianglong / Zhang, Bingjian / Chen, Ying / Mo, Songping et al. | 2012
- 570
-
Multi-point aerodynamic optimization of the rotor blade sections of an axial-flow impulse air turbine for wave energy conversionGomes, R.P.F. / Henriques, J.C.C. / Gato, L.M.C. / Falcão, A.F.O. et al. | 2012
- 581
-
Experimental studies on an air-cooled two-stage NH3-H2O solar absorption air-conditioning prototypeDu, S. / Wang, R.Z. / Lin, P. / Xu, Z.Z. / Pan, Q.W. / Xu, S.C. et al. | 2012
- 588
-
Variable-speed technology used in power plants for better plant economics and grid stabilityWang, Wei / Liu, Jizhen / Zeng, Deliang / Lin, Zhongwei / Cui, Can et al. | 2012
- 595
-
European CO2 emission trends: A decomposition analysis for water and aviation transport sectorsAndreoni, V. / Galmarini, S. et al. | 2012
- 603
-
Double-effect integration of multicomponent alcoholic distillation columnsBessa, Larissa C.B.A. / Batista, Fabio R.M. / Meirelles, Antonio J.A. et al. | 2012
- 613
-
Ligno-cellulosic biomass exploitation for power generation: A case study in sicilyMessineo, Antonio / Volpe, Roberto / Marvuglia, Antonino et al. | 2012
- 626
-
Economic feasibility of a novel energy efficient middle vessel batch distillation to reduce energy useBabu, G. Uday Bhaskar / Aditya, R. / Jana, Amiya K. et al. | 2012
- 634
-
Allocation of waste cost in thermoeconomic analysisAgudelo, Andrés / Valero, Antonio / Torres, César et al. | 2012
- 644
-
Impact of wind turbine blade rotation on the lightning strike incidence – A theoretical and experimental study using a reduced-size modelRadičević, Branko M. / Savić, Milan S. / Madsen, Søren Find / Badea, Ion et al. | 2012
- 655
-
An optimal hybrid model for atomic power generation prediction in JapanLi, Guo-Dong / Masuda, Shiro / Nagai, Masatake et al. | 2012
- 662
-
Modelling optimal production rate with contract effects for international oil development projectsZhao, Xu / Luo, Dongkun / Xia, Liangyu et al. | 2012
- 669
-
Laminar burning velocity of oxy-methane flames in atmospheric conditionOh, Jeongseog / Noh, Dongsoon et al. | 2012
- 676
-
Torrefaction and low-temperature carbonization of woody biomass: Evaluation of fuel characteristics of the productsPark, Sang-Woo / Jang, Cheol-Hyeon / Baek, Kyung-Ryul / Yang, Jae-Kyung et al. | 2012
- 686
-
Increased power production through enhancements to the Organic Flash Cycle (OFC)Ho, Tony / Mao, Samuel S. / Greif, Ralph et al. | 2012
- 696
-
Energy and exergy analysis of a five-column methanol distillation schemeSun, Jinsheng / Wang, Fan / Ma, Tingting / Gao, Hong / Wu, Peng / Liu, Lili et al. | 2012
- 704
-
Theoretical model and experimental validation of a direct-expansion solar assisted heat pump for domestic hot water applicationsMoreno-Rodríguez, A. / González-Gil, A. / Izquierdo, M. / Garcia-Hernando, N. et al. | 2012
- 716
-
Advantages and disadvantages associated with introducing an extra rarefied gas layer into a rotating microsystem filled with a liquid lubricant: First and second law analysesShamshiri, Mehdi / Ashrafizaadeh, Mahmud / Shirani, Ebrahim et al. | 2012
- 729
-
Exergy analysis of underground coal gasification with simultaneous storage of carbon dioxideEftekhari, Ali Akbar / Van Der Kooi, Hedzer / Bruining, Hans et al. | 2012
- 746
-
Determination of the specific heat of biomass materials and the combustion energy of coke by DSC analysisCollazo, Joaquín / Pazó, José Antonio / Granada, Enrique / Saavedra, Ángeles / Eguía, Pablo et al. | 2012
- 753
-
An experimental evaluation of the greenhouse effect in the substitution of R134a with CO2Aprea, C. / Greco, A. / Maiorino, A. et al. | 2012
- 762
-
Scenarios for the environmental impact of fossil fuel power: Co-benefits and trade-offs of carbon capture and storageSingh, Bhawna / Strømman, Anders H. / Hertwich, Edgar G. et al. | 2012
- 771
-
Wave energy pattern around the Madeira IslandsRusu, Eugen / Guedes Soares, C. et al. | 2012
- 786
-
Energy intensity development of the German iron and steel industry between 1991 and 2007Arens, Marlene / Worrell, Ernst / Schleich, Joachim et al. | 2012
- 798
-
Higher heating value (HHV) of vegetable oils, fats and biodiesels evaluation based on their pure fatty acids' HHVFassinou, Wanignon Ferdinand et al. | 2012
- 806
-
Parametric and exergetic analysis of waste heat recovery system based on thermoelectric generator and organic rankine cycle utilizing R123Shu, Gequn / Zhao, Jian / Tian, Hua / Liang, Xingyu / Wei, Haiqiao et al. | 2012
- 817
-
System aspects of biomass gasification with methanol synthesis – Process concepts and energy analysisHolmgren, Kristina M. / Berntsson, Thore / Andersson, Eva / Rydberg, Tomas et al. | 2012
- 829
-
Investigation on performance of variable geometry ejectors for CO2 refrigeration cyclesLiu, Fang / Groll, Eckhard A. / Li, Daqing et al. | 2012
- 840
-
Reverse gas-lift technology for CO2 storage into deep saline aquifersShafaei, Mohammad Javad / Abedi, Jalal / Hassanzadeh, Hassan / Chen, Zhangxin et al. | 2012
- 850
-
Application of SVR with chaotic GASA algorithm in cyclic electric load forecastingZhang, Wen Yu / Hong, Wei-Chiang / Dong, Yucheng / Tsai, Gary / Sung, Jing-Tian / Fan, Guo-feng et al. | 2012
- 859
-
Electric cars and wind energy: Two problems, one solution? A study to combine wind energy and electric cars in 2020 in The NetherlandsBellekom, Sandra / Benders, René / Pelgröm, Steef / Moll, Henk et al. | 2012
- 867
-
Dilemma between economic development and energy conservation: Energy rebound effect in ChinaLin, Boqiang / Liu, Xia et al. | 2012
- 874
-
Experimental study on thermoelectric modules for power generation at various operating conditionsChen, Wei-Hsin / Liao, Chen-Yeh / Hung, Chen-I / Huang, Wei-Lun et al. | 2012
- 882
-
Prediction of the bottom ash formed in a coal-fired power plant using artificial neural networksBekat, Tugce / Erdogan, Muharrem / Inal, Fikret / Genc, Ayten et al. | 2012
- 888
-
A rigorous approach for predicting the slope and curvature of the temperature–entropy saturation boundary of pure fluidsGarrido, José Matías / Quinteros-Lama, Héctor / Mejía, Andrés / Wisniak, Jaime / Segura, Hugo et al. | 2012
- 900
-
Thermodynamic analysis of solar thermochemical CO2 capture via carbonation/calcination cycle with heat recoveryMatthews, L. / Lipiński, W. et al. | 2012
- 908
-
Environomic optimal configurations of geothermal energy conversion systems: Application to the future construction of Enhanced Geothermal Systems in SwitzerlandGerber, Léda / Maréchal, François et al. | 2012
- 924
-
Statistics for PV, wind and biomass generators and their impact on distribution grid planningNykamp, Stefan / Molderink, Albert / Hurink, Johann L. / Smit, Gerald J.M. et al. | 2012
- 933
-
Dow Jones sustainability index transmission to oil stock market returns: A GARCH approachSchaeffer, Roberto / Borba, Bruno S.M.C. / Rathmann, Régis / Szklo, Alexandre / Castelo Branco, David A. et al. | 2012
- 944
-
Life cycle assessment of woody biomass energy utilization: Case study in Gifu Prefecture, JapanTabata, Tomohiro / Okuda, Takaaki et al. | 2012
- 952
-
Environmental impact assessment of three coal-based electricity generation scenarios in ChinaCui, Xiaowei / Hong, Jinglan / Gao, Mingming et al. | 2012
- 960
-
District heating (DH) network design and operation toward a system-wide methodology for optimizing renewable energy solutions (SMORES) in Canada: A case studyDalla Rosa, A. / Boulter, R. / Church, K. / Svendsen, S. et al. | 2012
- 975
-
Energy and exergy analyses of a biomass trigeneration system using an organic Rankine cycleAl-Sulaiman, Fahad A. / Dincer, Ibrahim / Hamdullahpur, Feridun et al. | 2012
- 986
-
Energy budgeting of colocasia-based cropping systems in the Indian sub-HimalayasTuti, M.D. / Prakash, Ved / Pandey, B.M. / Bhattacharyya, R. / Mahanta, D. / Bisht, J.K. / Kumar, Mukesh / Mina, B.L. / Kumar, N. / Bhatt, J.C. et al. | 2012
- 994
-
Optimal stochastic reactive power scheduling in a microgrid considering voltage droop scheme of DGs and uncertainty of wind farmsKhorramdel, Benyamin / Raoofat, Mahdi et al. | 2012
- 1007
-
Hybrid fuzzy Monte Carlo technique for reliability assessment in transmission power systemsCanizes, Bruno / Soares, João / Vale, Zita / Khodr, H.M. et al. | 2012
- 1018
-
A modeling study of the effect of carbon dioxide mitigation strategies, natural gas prices and steam consumption on the Canadian Oil Sands operationsBetancourt-Torcat, Alberto / Elkamel, Ali / Ricardez-Sandoval, Luis et al. | 2012
- 1034
-
Integrating the cold load pickup effect of reserve supplying demand response resource in social cost minimization based system schedulingBehrangrad, Mahdi / Sugihara, Hideharu / Funaki, Tsuyoshi et al. | 2012
- 1042
-
CO2 capture using monoethanolamine (MEA) aqueous solution: Modeling and optimization of the solvent regeneration and CO2 desorption processMores, Patricia / Scenna, Nicolás / Mussati, Sergio et al. | 2012
- 1059
-
Uncovering China’s greenhouse gas emission from regional and sectoral perspectivesLiu, Zhu / Geng, Yong / Lindner, Soeren / Guan, Dabo et al. | 2012
- 1069
-
Effects of cleat performance on strength reduction of coal in CO2 sequestrationRanjith, P.G. / Perera, M.S.A. et al. | 2012
- 1076
-
Comment on “A hybrid FCASO-SQP method for solving the economic dispatch problems with valve-point effects” [Energy 38 (2012) 346–353]Srinivasa Reddy, A. / Vaisakh, K. et al. | 2012
- IFC
-
Editorial Board| 2012