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Recent development and application of thin-film thermoelectric cooler

Yuedong Yu, Wei Zhu, Xixia Kong, Yaling Wang, Pengcheng Zhu, Yuan Deng

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 4,   Pages 492-503 doi: 10.1007/s11705-019-1829-9

Abstract: Recently, the performance and fabrication of thin-film thermoelectric materials have been largely enhancedIn this review, we introduced the enhancement of thermoelectric properties of (Bi,Sb) (Te,Se) solidFurthermore, the design, fabrication, as well as the performance of thin-film TECs were summarized.

Keywords： thin-film thermoelectric cooler     interfaces     cooling flux     TE device fabrication    

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Efficient detection methods for amplify-and-forward relay-aided device-to-device systems with full-rate Article

Kang-li ZHANG, Cong ZHANG, Fang-lin GU, Jian WANG

Frontiers of Information Technology & Electronic Engineering 2017, Volume 18, Issue 6,   Pages 788-795 doi: 10.1631/FITEE.1700018

Abstract: Relay-aided device-to-device (D2D) communication is a promising technology for the next-generation cellular

Keywords： Device-to-device     Relay     Detection     Full-rate space-time block code    

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Mesoscale fabrication of a complex surface for integral impeller blades

Xibin WANG,Tianfeng ZHOU,Lijing XIE,Li JIAO,Zhibing LIU,Zhiqiang LIANG,Pei YAN

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 1,   Pages 116-131 doi: 10.1007/s11465-017-0426-1

Abstract: For the fabrication of a complex integral impeller, a micro-ball-end mill is designed in accordance with

Keywords： mesoscale fabrication     micro-milling tool     mesoscale milling     impeller blade    

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Sb2Te3 topological insulator for 52 nm wideband tunable Yb-doped passively Q-switched Research

Tao Wang, Qiang Yu, Kun Guo, Xinyao Shi, Xuefen Kan, Yijun Xu, Jian Wu, Kai Zhang, Pu Zhou,wujian15203@163.com,kzhang2015@sinano.ac.cn

Frontiers of Information Technology & Electronic Engineering 2021, Volume 22, Issue 3,   Pages 287-436 doi: 10.1631/FITEE.2000577

Abstract: has the advantage of broadband saturable absorption from the visible to the infrared bands. Herein, the two-dimensional material saturable absorber (SA) of the family was first applied experimentally in a wideband tunable passively Q-switched Yb-doped fiber laser. High-quality crystals were synthesized by the flux zone method. The SA with fewer layers was further prepared via a modified mechanical exfoliation procedure. Meanwhile, stable wavelength-tunable passive Q-switching pulse operation was obtained in a Yb-doped fiber ring cavity based on the SA, where the central wavelength can be continuously tuned from 1040.89 to 1092.85 nm. Results suggest that has wideband saturable absorption properties, and that the tunable pulse laser can provide a convenient and simple source for practical applications.

Keywords： 拓扑绝缘体；Sb2Te3；光纤激光；被动调Q激光；波长可调谐激光    

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Design method and verification of a hybrid prosthetic mechanism with energy-damper clutchable device

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 4,   Pages 747-764 doi: 10.1007/s11465-021-0644-4

Abstract: Inspired by motion–energy coupling relationship of the knee, a wearable energy-damper clutched device

Keywords： hybrid transfemoral prosthetic mechanism     energy recycling     wearable mechanical clutched device     mechanical    

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Experiment and optimal design of a collection device for a residual plastic film baler

Qi NIU,Xuegeng CHEN,Chao JI,Jie WU

Frontiers of Agricultural Science and Engineering 2015, Volume 2, Issue 4,   Pages 347-354 doi: 10.15302/J-FASE-2015077

Abstract: The collection device is a core component of the baler.

Keywords： residual film     collection device     collection rate of residual film     impurity of film package     optimization    

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A novel flow electrode capacitive deionization device with spindle-shaped desalting chamber

Frontiers of Environmental Science & Engineering 2023, Volume 18, Issue 4, doi: 10.1007/s11783-024-1800-y

Abstract:

● A spindle-shaped influent chamber was designed and equipped in FCDI system.

Keywords： Spindle-shaped chamber     Desalination performance     Flow electrode capacitive deionization    

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Enhancing power generation of piezoelectric bimorph device through geometrical optimization

Action NECHIBVUTE,Albert CHAWANDA,Pearson LUHANGA

Frontiers in Energy 2015, Volume 9, Issue 2,   Pages 246-246 doi: 10.1007/s11708-015-0360-z

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A multi-probe micro-fabrication apparatus based on the friction-induced fabrication method

Zhijiang WU, Chenfei SONG, Jian GUO, Bingjun YU, Linmao QIAN

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 4,   Pages 333-339 doi: 10.1007/s11465-013-0276-4

Abstract:

A novel multi-probe micro-fabrication apparatus was developed based on the friction-induced fabricationThe main parts of the apparatus include actuating device, loading system, and control system.With a motorized linear stage, the maximum fabrication area of 50 mm × 50 mm can be achieved, andThe cantilever was designed as a structure of deformable parallelogram with two beams, by which the fabricationAs a low-cost and high efficiency fabrication device, the multi-probe micro-fabrication apparatus may

Keywords： friction-induced fabrication     silicon     surface texture     friction     multi-probe    

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Development of rocking constraint device with vertical damping capacity for three-dimensional base-isolated

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 3,   Pages 350-367 doi: 10.1007/s11709-022-0923-0

Abstract: A new rocking constraint device (RCD) is developed for three-dimensional (3D) base-isolated frame structures

Keywords： three-dimensional isolation     rocking behavior     rocking constraint device     replaceable damping component    

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Precision glass molding: Toward an optimal fabrication of optical lenses

Liangchi ZHANG,Weidong LIU

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 1,   Pages 3-17 doi: 10.1007/s11465-017-0408-3

Abstract:

It is costly and time consuming to use machining processes, such as grinding, polishing and lapping, to produce optical glass lenses with complex features. Precision glass molding (PGM) has thus been developed to realize an efficient manufacture of such optical components in a single step. However, PGM faces various technical challenges. For example, a PGM process must be carried out within the super-cooled region of optical glass above its glass transition temperature, in which the material has an unstable non-equilibrium structure. Within a narrow window of allowable temperature variation, the glass viscosity can change from 105 to 1012 Pa·s due to the kinetic fragility of the super-cooled liquid. This makes a PGM process sensitive to its molding temperature. In addition, because of the structural relaxation in this temperature window, the atomic structure that governs the material properties is strongly dependent on time and thermal history. Such complexity often leads to residual stresses and shape distortion in a lens molded, causing unexpected changes in density and refractive index. This review will discuss some of the central issues in PGM processes and provide a method based on a manufacturing chain consideration from mold material selection, property and deformation characterization of optical glass to process optimization. The realization of such optimization is a necessary step for the Industry 4.0 of PGM.

Keywords： precision glass molding     optical lens     constitutive modeling     optimization     manufacturing chain     Industry 4.0    

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Structrue innovation for quantitative transfer of viscous liquid in sample pretreatment device

Cao Guozhong,Tan Runhua,Zhang Peng,Yang Zhiyan

Strategic Study of CAE 2010, Volume 12, Issue 1,   Pages 30-35

Abstract: The composition of sample pretreatment device and their relationship are analyzed from the system pointof view, and then the core issues of the device is determined under the basis of evolution mode of TRIZ

Keywords： TRIZ     TOC     pretreatment device     improvement design    

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Supervision System of AI-based Software as a Medical Device

Zhang Jiannan,Li Yingying,Zhou Jiahui,Zhu Yelin,Li Lanjuan

Strategic Study of CAE 2022, Volume 24, Issue 1,   Pages 198-204 doi: 10.15302/J-SSCAE-2022.01.021

Abstract: Artificial intelligencebased software as a medical device (AI-Based SaMD) is an important product in

Keywords： software as a medical device (SaMD)，artificial intelligence (AI)，supervision science    

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A fully solid-state cold thermal energy storage device for car seats using shape-memory alloys

Frontiers in Energy 2023, Volume 17, Issue 4,   Pages 504-515 doi: 10.1007/s11708-022-0855-3

Abstract: seat reaches 26.2 °C at 9.85 s, which is reduced by 9.8 °C, and the energy storage efficiency of the device

Keywords： shape-memory alloy (SMA)     elastocaloric effect (eCE)     cooled seat     cold thermal energy storage    

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Solid-state-reaction fabrication and properties of a high-doping Nd:YAG transparent laser ceramic

WU Yusong, LI Jiang, PAN Yubai, LIU Wenbin, AN Liqiong, WANG Shiwei, GUO Jingkun

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 3,   Pages 248-252 doi: 10.1007/s11705-008-0048-6

Abstract: High-quality neodymium-doped yttrium aluminum garnet (Nd:YAG) transparent ceramic (4.0 mole percent) was fabricated by a solid-state reaction method and vacuum sintering. The microstructure, optical transmittance, spectral properties and laser performance were investigated. The average grain size of the sample is about 10 ?m. The transmittance of a 2.8-mm thick sample reaches 79.5% at the laser wavelength of 1064 nm. The highest absorption peak is centered at 807 nm and the absorption coefficient is 13.9 cm. The absorption coefficient at the laser wavelength is 0.2 cm. The main emission peak is at 1064 nm and the fluorescence lifetime is 102 ?s. A laser diode (808 nm) whose maximum output is about 1000 mW was used as a pump source and an end-pumped laser experiment was performed. The 1064 nm-CW-laser output was obtained and the threshold is 733 mW. With 998 mW of maximum absorbed pump power, a laser output of 17 mW is obtained with a slope efficiency of 6.1%.

Keywords： neodymium-doped yttrium     maximum absorbed     microstructure     fluorescence lifetime     threshold    

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Title Author Date Type Operation

Recent development and application of thin-film thermoelectric cooler

Yuedong Yu, Wei Zhu, Xixia Kong, Yaling Wang, Pengcheng Zhu, Yuan Deng

Journal Article

Efficient detection methods for amplify-and-forward relay-aided device-to-device systems with full-rate

Kang-li ZHANG, Cong ZHANG, Fang-lin GU, Jian WANG

Journal Article

Mesoscale fabrication of a complex surface for integral impeller blades

Xibin WANG,Tianfeng ZHOU,Lijing XIE,Li JIAO,Zhibing LIU,Zhiqiang LIANG,Pei YAN

Journal Article

Sb2Te3 topological insulator for 52 nm wideband tunable Yb-doped passively Q-switched

Tao Wang, Qiang Yu, Kun Guo, Xinyao Shi, Xuefen Kan, Yijun Xu, Jian Wu, Kai Zhang, Pu Zhou,wujian15203@163.com,kzhang2015@sinano.ac.cn

Journal Article

Design method and verification of a hybrid prosthetic mechanism with energy-damper clutchable device

Journal Article

Experiment and optimal design of a collection device for a residual plastic film baler

Qi NIU,Xuegeng CHEN,Chao JI,Jie WU

Journal Article

A novel flow electrode capacitive deionization device with spindle-shaped desalting chamber

Journal Article

Enhancing power generation of piezoelectric bimorph device through geometrical optimization

Action NECHIBVUTE,Albert CHAWANDA,Pearson LUHANGA

Journal Article

A multi-probe micro-fabrication apparatus based on the friction-induced fabrication method

Zhijiang WU, Chenfei SONG, Jian GUO, Bingjun YU, Linmao QIAN

Journal Article

Development of rocking constraint device with vertical damping capacity for three-dimensional base-isolated

Journal Article

Precision glass molding: Toward an optimal fabrication of optical lenses

Liangchi ZHANG,Weidong LIU

Journal Article

Structrue innovation for quantitative transfer of viscous liquid in sample pretreatment device

Cao Guozhong,Tan Runhua,Zhang Peng,Yang Zhiyan

Journal Article

Supervision System of AI-based Software as a Medical Device

Zhang Jiannan,Li Yingying,Zhou Jiahui,Zhu Yelin,Li Lanjuan

Journal Article

A fully solid-state cold thermal energy storage device for car seats using shape-memory alloys

Journal Article

Solid-state-reaction fabrication and properties of a high-doping Nd:YAG transparent laser ceramic

WU Yusong, LI Jiang, PAN Yubai, LIU Wenbin, AN Liqiong, WANG Shiwei, GUO Jingkun

Journal Article