Zhigang Zhu

Experimental and Numerical Simulation Study of Clocking Effects on Hydraulic Performance of Multi-stage Centrifugal Pump

Tibing Xu, Bing Cui, Lusheng Zhai, Zhigang Zhu

Multistage centrifugal pumps are distinguished by their high head capacity, energy efficiency, and operational reliability. These pumps are extensively employed in boiler feedwater systems, petrochemical processing, fire protection infrastructure, and industrial process pressurization. To mitigate synchronous excitation vibrations from root imbalance, impellers …

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Prediction of Cylinder Liner Out-of-Roundness Deformation Based on BP Neural Network

Kele Li, Jianhua Xiang, Baosheng Cao, Zhigang Zhu et autres

With increasing power intensity of diesel engines, failures from excessive out-of-roundness deformation of cylinder liners have become prominent. This study focused on the block-cylinder head assembly of a V12 high-power diesel engine. Based on out-of-roundness results under four parameters—upper/lower clearance between cylinder …

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Experimental investigation on the thermal-hydraulic performance of serrated fins and novel serrated-perforated fins for PFHEs in cryogenic helium systems

Zhongyu Zou, Zhigang Zhu, Qiyong Zhang, Pengcheng Yang et autres

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Extreme Attitude Prediction of Amphibious Vehicles Based on Improved Transformer Model and Extreme Loss Function

Boru Jia, Zhigang Zhu, Jianhua Xiang, Zhaoyu Li et autres

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Safety and accuracy of intracardiac electrocardiography-guided catheter tip positioning in totally implantable venous access device placement compared to X-ray guidance

Jianting Zhao, Xiaofang Wu, Xiujuan Wu, Zhigang Zhu et autres

Purpose: To assess the accuracy and safety of intracardiac electrocardiography (IC-ECG) in positioning catheter tips for Totally Implantable Venous Access Device (TIVAD) placement. Methods: This study conducts a retrospective analysis of patient data collected from The Affiliated Suzhou Hospital of Nanjing Medical …

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Development and Commissioning of 1kW @ 4.5K Cryogenic System for the Superconducting Test Facility of CRAFT

Shanshan Li, Qiyong Zhang, Zhigang Zhu, Dengkui Ma et autres

Abstract As national major science and technology infrastructure, the Comprehensive Research Facility for Fusion Technology (CRAFT) is being built at ASIPP. The cryogenic system is an important part of the research work for superconducting magnets. ASIPP has designed and developed a 1kW@4.5K …

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Design and commissioning of the cryogenic system for NNBI test facility

Zhigang Zhu, Dengkui Ma, Keping Wu, Zhiwei Zhou et autres

Abstract Cryopumps are used as the main pumps of cryo-vacuum systems in the Negative Neutral Beam Injectors (NNBI) test facility to pump gas to generate and maintain the vacuum gradient environment. To cool the cryopumps, a 1000 W@4.5 K cryogenic system was …

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Design analysis and optimization of the experimental setup about thermal-hydraulic performance of plate-fin heat exchangers in cryogenic helium systems

Zhongyu Zou, Zhigang Zhu, Qiyong Zhang, Pengcheng Yang et autres

Abstract With the development of cryogenic engineering technology, cryogenic helium systems are increasingly used in nuclear fusion, high-energy particle physics, aerospace and other fields. As key equipment in cryogenic helium systems, plate-fin heat exchangers play an important role in the heat exchange …

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Prediction of Amphibious Vehicle Waterborne Posture Focusing on Extreme Data

Zhigang Zhu, Jianhua Xiang

Amphibious vehicles are prone to the risk of instability, especially in water. Utilizing artificial intelligence for predicting and monitoring the vehicle's waterborne posture is an effective method to ensure safety. This paper aims to develop a prediction model for the waterborne posture …

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Clinical efficacy and safety of a new single-incision axillary vein puncture technique for totally implantable venous access ports

Chongjing Mu, Zhigang Zhu, Qiong Wu, Lei Chen et autres

To assess the clinical efficacy of a new single-incision axillary vein puncture technique for implanting totally implantable venous access ports (TIVAPs). A retrospective review of patient data from January 2023 to June 2023 at The Affiliated Suzhou Hospital of Nanjing Medical University …

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Investigation of data-driven model predictive control for liquid nitrogen cooling on helium refrigerator

Qiang Yu, Zhiwei Zhou, Kai Yuan, Shanshan Li et autres

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Insect residual streams supplement improves chili pepper growth: Insights into the role of rhizosphere soil microbiome and metabolome

Hanghai Zhou, Xusong Zheng, Zhigang Zhu, Qi Shen et autres

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