Yuzhu Zhao
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View article: Multiscale simulation of effects of nitroglycerin plasticizer on morphology and mechanical properties of nitrocellulose-based propellants
Multiscale simulation of effects of nitroglycerin plasticizer on morphology and mechanical properties of nitrocellulose-based propellants Open
View article: Benefit Allocation Strategies for Electric–Hydrogen Coupled Virtual Power Plants with Risk–Reward Tradeoffs
Benefit Allocation Strategies for Electric–Hydrogen Coupled Virtual Power Plants with Risk–Reward Tradeoffs Open
Driven by carbon neutrality goals, electric–hydrogen coupled virtual power plants (EHCVPPs) integrate renewable hydrogen production with power system flexibility resources, emerging as a critical technology for large-scale renewable integr…
View article: Improved modulation-based structured illumination microscopic 3D measurement with complementary binary fringes
Improved modulation-based structured illumination microscopic 3D measurement with complementary binary fringes Open
Structured illumination microscopy for optical sectioning is widely used for micro- and nanoscale surface topography measurement, but the conventional phase-shifting approach requires multiple image acquisitions, leading to a trade-off bet…
View article: The Microstructure Evolution of a Ni-Based Superalloy Turbine Blade at Elevated Temperature
The Microstructure Evolution of a Ni-Based Superalloy Turbine Blade at Elevated Temperature Open
GTD 111 has been employed in first-stage blades in different gas turbines. The study of microstructural evolution is essential for the lifetime assessment and development of turbine blades. The microstructural stability of a 130 MW gas tur…
View article: Microstructure and Cracking Behavior of a Four-Layer Thermal Barrier Coating After Thermal Cycle Test
Microstructure and Cracking Behavior of a Four-Layer Thermal Barrier Coating After Thermal Cycle Test Open
Microstructure evolution and cracking behavior of a four-layer thermal barrier coating (TBC) with double YSZ layers during thermal cycle tests were studied in the current work. The temperature range of the thermal cycle test ranged from ro…
View article: Wetting and Spreading Behaviors of Impacting Metal Droplet Regulated by 2D Ultrasonic Field
Wetting and Spreading Behaviors of Impacting Metal Droplet Regulated by 2D Ultrasonic Field Open
The wetting and spreading behaviors of metal droplets on solid substrates are critical aspects of additive manufacturing. However, the inherent characteristics of metal droplets, including high surface tension, elevated viscosity, and extr…
View article: One-Pot Preparation of Au@Pt Bimetallic Single-Atom Nanozymes with Efficient Peroxidase-Like Activity Using Chitosan and L-Tyrosine as Carriers for Visual and Colorimetric Detection of Quercetin
One-Pot Preparation of Au@Pt Bimetallic Single-Atom Nanozymes with Efficient Peroxidase-Like Activity Using Chitosan and L-Tyrosine as Carriers for Visual and Colorimetric Detection of Quercetin Open
View article: Parameter Identification Based on Iterative Signal Space in Blade Tip Timing
Parameter Identification Based on Iterative Signal Space in Blade Tip Timing Open
View article: Single-probe blade tip timing based on sparse Bayesian learning
Single-probe blade tip timing based on sparse Bayesian learning Open
Blade tip timing (BTT) has become the most promising online monitoring method for turbine blade health. Current BTT data analysis algorithms are extremely sensitive to the number of BTT probes installed and the accuracy of prior informatio…
View article: The analysis and solution of contact rubbing fault for low pressure rotor of gas-steam combined cycle turbine unit
The analysis and solution of contact rubbing fault for low pressure rotor of gas-steam combined cycle turbine unit Open
The contact rubbing fault mechanism for low pressure rotor of gas-steam combined cycle steam turbine unit is analyzed deeply in this paper. It is include that the high start and stop frequency of the gas turbine, the special operation mode…
View article: The fault analysis for low pressure last stage blade of the deep load changing gas-steam combined cycle steam turbine unit
The fault analysis for low pressure last stage blade of the deep load changing gas-steam combined cycle steam turbine unit Open
In this paper, the causes of the abrasion at the fir-tree type blade root of low pressure last stage which are loosely assembled and the axial movement of the blade root to the intake side of gas-steam combined cycle steam turbine unit are…
View article: Vibration Analysis and Dynamic Balance Treatment of Condensate Pump Motor of 390MW Gas Turbine Unit
Vibration Analysis and Dynamic Balance Treatment of Condensate Pump Motor of 390MW Gas Turbine Unit Open
The on-site vibration test and diagnostic analysis of the condensate pump motor vibration of a 390 MW gas turbine unit in a power plant were carried out. It is considered that the serious imbalance of the rotor of the condensate pump motor…
View article: Quantitative Analysis of Operating Economical Performance by Valve Leakage in Bypass System
Quantitative Analysis of Operating Economical Performance by Valve Leakage in Bypass System Open
In this paper, the influence of steam leakage of the control valve in bypass system on unit operating economy is analysed. Through quantitative analysis, the formulas for calculating the influence of the steam leakage of control valves in …
View article: Methods and research status of energy consumption analysis and optimization for coal-fired generator units
Methods and research status of energy consumption analysis and optimization for coal-fired generator units Open
Reducing the energy consumption of coal-fired generator units (CFGN) is an inevitable choice for the transformation of the power industry to low-carbon. Starting from the analysis of the energy consumption evaluation index of CFGN, the mai…
View article: Analysis and Treatment of Abnormal Vibration of a Gas Turbine Generator Set
Analysis and Treatment of Abnormal Vibration of a Gas Turbine Generator Set Open
In this paper, The turn-to-turn short-circuit fault is accurately judged by the vibration monitoring of a gas turbine generator set. The abnormal conditions in the post-processing process are analyzed and summarized, and the conclusion is …
View article: Research on Fault Diagnosis Model of Rotating Machinery Vibration Based on Information Entropy and Improved SVM
Research on Fault Diagnosis Model of Rotating Machinery Vibration Based on Information Entropy and Improved SVM Open
Based on the concept of information entropy, this paper analyzes typical nonlinear vibration fault signals of steam turbine based on spectrum, wavelet and HHT theory methods, and extracts wavelet energy spectrum entropy, IMF energy spectru…
View article: Analysis and Treatment of 660 MW Ultra Supercritical Units Vibration
Analysis and Treatment of 660 MW Ultra Supercritical Units Vibration Open
This paper analyses the excessive vibration of the bearing caused by the high-medium pressure rotor bending of the steam turbine, provides a basis for the weighted and balanced bending scheme of the high-medium pressure rotors of the 660MW…
View article: Research on Equipment State Management Mode Based on “League System”
Research on Equipment State Management Mode Based on “League System” Open
Under the background of the decline in the hours of operation of thermal power generation equipment, based on Internet technology, a new mode of equipment state management, which integrates equipment responsibility to personnel, continuous…
View article: Study on Condition Monitoring and Evaluation of Auxiliary Engine of Steam Turbine Based on Matter-element Theory
Study on Condition Monitoring and Evaluation of Auxiliary Engine of Steam Turbine Based on Matter-element Theory Open
As an important equipment in thermal production process of thermal power unit, auxiliary equipment of steam turbine, such as feed-water pump, whether it can operate safely and economically is very important for normal operation of thermal …
View article: The effect on cold-end improvement of a 330 MW turbine unit after capacity expansion and efficiency improvement
The effect on cold-end improvement of a 330 MW turbine unit after capacity expansion and efficiency improvement Open
Taking a 330 MW steam turbine after capacity expansion and efficiency improvement as the object, the problems of the cold-end system of the unit after capacity expansion and efficiency improvement are concluded. In addition, the cold-end s…
View article: The efficiency analysis of a 300 MW steam turbine unit after the through-flow transformation of based on thermal performance test method
The efficiency analysis of a 300 MW steam turbine unit after the through-flow transformation of based on thermal performance test method Open
In this paper, the thermal performance of a 300 MW subcritical steam turbine is studied. The influence of the flow remoulding technology on the heat dissipation rate is analyzed by comparing the thermal performance test data before and aft…
View article: Analysis of Different Retrofit Technology for Heating Supply with High Back Pressure of 135MW Grade Steam Turbine
Analysis of Different Retrofit Technology for Heating Supply with High Back Pressure of 135MW Grade Steam Turbine Open
There have nine 135MW grade pure condensing units or extraction condensing units with high back pressure heating in Shandong regional power grid. Four retrofit schemes were used on these nine 135MW grade condensing units. In this paper, th…
View article: Design and operation experience of zero-carbon campus
Design and operation experience of zero-carbon campus Open
Shandong Normal University - Lishan College is a zero-carbon campus, using the technical scheme “multiple sources of energy complementing each other, 100% utilization of renewable energy, combining concentrated demonstration with popular e…