Advances in Nano Research

Volume 11, Number 3, 2021, pages 313-326

DOI: 10.12989/anr.2021.11.3.313

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

Yan Cao, Yousef Zandi, Abouzar Rahimi, Qingming Fan, Yu Bai, Junde Guo, Leijie Fu, Mohamed Amine Khadimallah, Mohammed Jameel and Hamid Assilzadeh

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.

Key Words

ECM; hydro-thermal loading; sealing device; soft computing; turbine disk

Address

Yan Cao, Qingming Fan, Yu Bai, Junde Guo and Leijie Fu: School of Mechatronic Engineering, Xi'an, 710021 China Yousef Zandi and Abouzar Rahimi: Department of Civil Engineering,Tabriz Branch, Islamic Azad University, Tabriz, Iran Mohamed Amine Khadimallah: Prince Sattam Bin Abdulaziz University, College of Engineering, Civil Engineering Department, Al-Kharj, 16273, Saudi Arabia/ Laboratory of Systems and Applied Mechanics, Polytechnic School of Tunisia, University of Carthage, Tunis, Tunisia Mohammed Jameel: Department of Civil Engineering, College of Engineering, King Khalid University, Abha, Saudi Arabia Hamid Assilzadeh: Institute of Research and Development, Duy Tan University, Da Nang 550000, Vietnam