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Analysis of leaking ratio of sealing device for the intake port of EMC closed integral structure turbine disk through soft computing

  • Cao, Yan (School of Mechatronic Engineering, Xi'an Technological University) ;
  • Zandi, Yousef (Department of Civil Engineering,Tabriz Branch, Islamic Azad University) ;
  • Rahimi, Abouzar (Department of Civil Engineering,Tabriz Branch, Islamic Azad University) ;
  • Fan, Qingming (School of Mechatronic Engineering, Xi'an Technological University) ;
  • Bai, Yu (School of Mechatronic Engineering, Xi'an Technological University) ;
  • Guo, Junde (School of Mechatronic Engineering, Xi'an Technological University) ;
  • Fu, Leijie (School of Mechatronic Engineering, Xi'an Technological University) ;
  • Khadimallah, Mohamed Amine (Prince Sattam Bin Abdulaziz University, College of Engineering, Civil Engineering Department) ;
  • Jameel, Mohammed (Department of Civil Engineering, College of Engineering, King Khalid University) ;
  • Assilzadeh, Hamid (Institute of Research and Development, Duy Tan University)
  • Received : 2020.09.10
  • Accepted : 2021.07.26
  • Published : 2021.09.25
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Abstract

The rotor disk produces an azimuthal velocity component in the space between the rotor and stator of a turbine disk, also known as the rim seal cavity. As part of an empirically study, the rim seal cavity is subjected to a test aimed to count the number of unstable structures and evaluate their rotational speed. An Electronic Control Unit (ECU) has a leak test aperture that is sealed by a sealing device that is selectively disposed in the leak test aperture. Designing pump and compressor machines and units requires the development of dependable seal assemblies that maintain tightness over a long period of time and in a wide variety of pressures and temperature. In the field of electrochemical machining (ECM), heat-resistant and high-strength materials may be machined into complicated forms using this well-known technology. ECM presents some issues as the electrochemical copying of grooves, insulating groove features, slots and mini-holes can cause water leakage due to the poor sealing device of the closed integral structure turbine disk. Sealing devices of rotor turbine disks are heavy components with low-cycle fatigue analysis to their life curves. However, there is rare analysis to detect their defects in various rotor regions (temperature, considering stress, mission profile). This study by use of hydro-thermal loading has attempted to focus on the mechanical seals rings and basic productive and operating requirements. Taking the damage and wear, the clearance has been altered that cause a raising in leakage. Generally, the leakage grows more rapidly than linearly with the after-damage clearance. Also, damage and wear were related to the labyrinth seal itself, resulting that the bending curvature and the percentage of bent tooth length were also relevant in defining the leakage in the case of bending damage.

Keywords

Acknowledgement

This paper is supported by Xi'an Science and Technology Project (Grant: 2020KJRC0032), Yulin Science and Technology Project (Grant: 2019-122), Shaanxi Key Research and Development Plan (Grant: 2020GY-147), Project of Joint Postgraduate Training Base of Xi'an Technological University, and Research Project of Graduate Education and Teaching Reform of Xi'an Technological University in 2017.

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  87. Shahabi, S., Ramli Sulong, N.H., Shariati, M., Mohammadhassani, M. and Shah, S. (2016a), "Numerical analysis of channel connectors under fire and a comparison of performance with different types of shear connectors subjected to fire", Steel Compos. Struct., 20(3), 651-669. https://10.12989/scs.2016.20.3.651.
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  89. Shariat, M., Shariati, M., Madadi, A. and Wakil, K. (2018), "Computational Lagrangian Multiplier Method by using for optimization and sensitivity analysis of rectangular reinforced concrete beams", Steel Compos. Struct., 29(2), 243-256. https://doi.org/10.12989/scs.2018.29.2.243.
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  91. Shariati, M., Ramli Sulong, N.H. and Arabnejad Khanouki, M.M. (2010), "Experimental and analytical study on channel shear connectors in light weight aggregate concrete", Proceedings of the 4th International Conference on Steel & Composite Structures, Sydney, Australia, July. https://doi.org/10.3850/978-981-08-6218-3_CC-Fr031.
  92. Shariati, M., Ramli Sulong, N.H., Arabnejad Khanouki, M.M. and Mahoutian, M. (2011a), "Shear resistance of channel shear connectors in plain, reinforced and lightweight concrete", Sci. Res. Essays, 6(4), 977-983, https://doi.org/10.5897/SRE10.1120.
  93. Shariati, M., Ramli Sulong, N.H., Arabnejad Khanouki, M.M., Shafigh, P. and Sinaei, H. (2011b), "Assessing the strength of reinforced concrete structures through Ultrasonic Pulse Velocity and Schmidt Rebound Hammer tests", Sci. Res. Essays, 6(1), 213-220, https://doi.org/10.5897/SRE10.879.
  94. Shariati, M., Ramli Sulong, N.H., Sinaei, H., Arabnejad Khanouki, M.M. and Shafigh, P. (2011c), "Behavior of channel shear connectors in normal and light weight aggregate concrete (experimental and analytical study)", Adv. Mater. Res., 168, 2303-2307. https://doi.org/10.4028/www.scientific.net/AMR.168-170.2303.
  95. Shariati, A., Ramli Sulong, N.H., Suhatril, M. and Shariati, M. (2012a), "Investigation of channel shear connectors for composite concrete and steel T-beam", Int. J. Phys. Sci., 7(11), 1828-1831. https://doi.org/10.5897/IJPS11.1604.
  96. Shariati, A., Ramli Sulong, N.H., Suhatril, M. and Shariati, M. (2012b), "Various types of shear connectors in composite structures: A review", Int. J. Phys. Sci., 7(22), 2876-2890. https://doi.org/10.5897/IJPSx11.004.
  97. Shariati, M., Ramli Sulong, N.H. and Arabnejad Khanouki, M.M. (2012c), "Experimental assessment of channel shear connectors under monotonic and fully reversed cyclic loading in high strength concrete", Mater. Design, 34, 325-331. https://doi.org/10.1016/j.matdes.2011.08.008.
  98. Shariati, M., Ramli Sulong, N.H., Suhatril, M., Shariati, A., Arabnejad Khanouki, M.M. and Sinaei, H. (2012d), "Behaviour of C-shaped angle shear connectors under monotonic and fully reversed cyclic loading: An experimental study", Mater. Design, 41, 67-73. https://doi.org/10.1016/j.matdes.2012.04.039.
  99. Shariati, M., Ramli Sulong, N.H., Suhatril, M., Shariati, A., Arabnejad Khanouki, M.M. and Sinaei, H. (2012e), "Fatigue energy dissipation and failure analysis of channel shear connector embedded in the lightweight aggregate concrete in composite bridge girders", Proceeding of the 5th International Conference on Engineering Failure Analysis, Hague, Netherlands, July. http://doi.org/10.1016/j.engfailanal.2014.02.017.
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  101. Shariati, M., Ramli Sulong, N.H., Suhatril, M., Shariati, A., Arabnejad Khanouki, M.M. and Sinaei, H. (2013), "Comparison of behaviour between channel and angle shear connectors under monotonic and fully reversed cyclic loading", Constr. Build. Mater., 38, 582-593. https://doi.org/10.1016/j.conbuildmat.2012.07.050.
  102. Shariati, A., Shariati, M., Ramli Sulong, N.H., Suhatril, M., Arabnejad Khanouki, M.M. and Mahoutian, M. (2014a), "Experimental assessment of angle shear connectors under monotonic and fully reversed cyclic loading in high strength concrete", Constr. Build. Mater., 52, 276-283. http://doi.org/10.1016/j.conbuildmat.2013.11.036.
  103. Shariati, M., Shariati, A., Ramli Sulong, N.H., Suhatril, M. and Arabnejad Khanouki, M.M. (2014b), "Fatigue energy dissipation and failure analysis of angle shear connectors embedded in high strength concrete", Eng. Fail. Anal., 41, 124-134. https://doi.org/10.1016/j.engfailanal.2014.02.017.
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  105. Shariati, M., Ramli Sulong, N.H., Shariati, A. and Kueh, A.B.H. (2016), "Comparative performance of channel and angle shear connectors in high strength concrete composites: An experimental study", Constr. Build. Mater., 120, 382-392. https://doi.org/10.1016/j.conbuildmat.2016.05.102.
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  107. Shariati, M., Tahir, M.M., Wee, T.C., Shah, S., Jalali, A., Abdullahi, M.A.M. and Khorami, M. (2018), "Experimental investigations on monotonic and cyclic behavior of steel pallet rack connections", Eng. Fail. Anal., 85, 149-166. https://doi.org/10.1016/j.engfailanal.2017.08.014.
  108. Shariati, M., Azar, S.M., Arjomand, M.A., Tehrani, H.S., Daei, M. and Safa, M. (2019a), "Comparison of dynamic behavior of shallow foundations based on pile and geosynthetic materials in fine-grained clayey soils", Geomech. Eng., 19(6), 473-484. https://doi.org/10.12989/gae.2019.19.6.473.
  109. Shariati, M., Faegh, S.S., Mehrabi, P., Bahavarnia, S., Zandi, Y., Masoom, D.R., Toghroli, A., Trung, N.T. and Salih, M.N. (2019b), "Numerical study on the structural performance of corrugated low yield point steel plate shear walls with circular openings", Steel Compos. Struct., 33(4), 569-581. https://doi.org/10.12989/scs.2019.33.4.569.
  110. Shariati, M., Mafipour, M.S., Mehrabi, P., Bahadori, A., Zandi, Y., Salih, M.N., Nguyen, H., Dou, J., Song, X. and Poi-Ngian, S. (2019c), "Application of a hybrid artificial neural network-particle swarm optimization (ANN-PSO) model in behavior prediction of channel shear connectors embedded in normal and high-strength concrete", Appl. Sci., 9(24), 5534. https://doi.org/10.3390/app9245534.
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  112. Shariati, M., Trung, N.T., Wakil, K., Mehrabi, P., Safa, M. and Khorami, M. (2019e), "Moment-rotation estimation of steel rack connection using extreme learning machine", Steel Compos. Struct., 31(5), 427-435. https://doi.org/10.12989/scs.2019.31.5.427.
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  114. Shariati, M., Azar, S.M., Arjomand, M.A., Tehrani, H.S., Daei, M. and Safa, M. (2020a), "Evaluating the impacts of using piles and geosynthetics in reducing the settlement of fine-grained soils under static load", Geomech. Eng., 20(2), 87-101. https://doi.org/10.12989/gae.2020.20.2.087.
  115. Shariati, M., Ghorbani, M., Naghipour, M., Alinejad, N. and Toghroli, A. (2020b), "The effect of RBS connection on energy absorption in tall buildings with braced tube frame system", Steel Compos. Struct., 34(3), 393-407. https://doi.org/10.12989/scs.2020.34.3.393.
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