Review of Scientific Instruments最新文献_第4页

Bio-inspired piezoelectric stick-slip actuation: Synergistic bridge-type and leveraged amplification mechanism via rowing-motion mimicry. 生物启发压电粘滑传动：通过模仿划船动作实现协同桥式和杠杆放大机制。

IF 1.3 4区工程技术

Review of Scientific Instruments Pub Date : 2024-12-01 DOI: 10.1063/5.0226718

Shitong Yang, Hao Dong, Zhenguo Zhang, Daohong Zhang, Lin Zhang, Xiaohui Lu

引用次数: 0

Application of tunneling magnetoresistance in electromagnetic tomography system construction.

IF 1.3 4区工程技术

Review of Scientific Instruments Pub Date : 2024-12-01 DOI: 10.1063/5.0222838

Chao Wang, Song Ye, Xiao Liang, Xinyu Luan

引用次数: 0

Design of a novel high-speed tensile method for testing the high strain rate tensile behavior of aluminum alloys.

IF 1.3 4区工程技术

Review of Scientific Instruments Pub Date : 2024-12-01 DOI: 10.1063/5.0235066

Li Chen, Hao Shi, Weihao Li, Huantong Shi, Xingwen Li, Shiyu Hao, Chengcheng Li, Ran An

{"title":"Design of a novel high-speed tensile method for testing the high strain rate tensile behavior of aluminum alloys.","authors":"Li Chen, Hao Shi, Weihao Li, Huantong Shi, Xingwen Li, Shiyu Hao, Chengcheng Li, Ran An","doi":"10.1063/5.0235066","DOIUrl":"https://doi.org/10.1063/5.0235066","url":null,"abstract":"The high-strain rate mechanical behavior of aluminum alloys is crucial for the stability of electromagnetic launch systems. However, current high-strain rate testing methods are not suitable for large-scale screening of materials needed in electromagnetic launch systems due to their low precision and high cost. In this paper, a novel method for high-strain rate tensile testing of aluminum alloys based on magnetic pulse driving was proposed. The method can generate a fast-rising edge and adjustable stress pulses to enable uniaxial tensile deformation, reaching a target strain rate quickly and keeping it constant. Based on the theory of stress wave transmission, a single-point method for measuring stress-strain relationship of the specimen combining digital image correlation (DIC) technology is proposed. Finite element simulations using the explicit finite element software LS-DYNA demonstrate a good agreement between the strains and strain rate with experimental values. Tensile tests were conducted on AA7075 in the strain rate range of 1000-3000 s-1, the stress-strain relationship obtained from DIC agrees well with the results of traditional Hopkinson bar experiments.","PeriodicalId":21111,"journal":{"name":"Review of Scientific Instruments","volume":"95 12","pages":""},"PeriodicalIF":1.3,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142771905","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Development of a diagnostic system for atomic processes in the whole divertor region of HL-3.

IF 1.3 4区工程技术

Review of Scientific Instruments Pub Date : 2024-12-01 DOI: 10.1063/5.0213615

Huicong Ma, Laizhong Cai, Jinming Gao, Dongmei Fan, Zongyuhui He, Hailong Du, Dezhen Wang

{"title":"Development of a diagnostic system for atomic processes in the whole divertor region of HL-3.","authors":"Huicong Ma, Laizhong Cai, Jinming Gao, Dongmei Fan, Zongyuhui He, Hailong Du, Dezhen Wang","doi":"10.1063/5.0213615","DOIUrl":"https://doi.org/10.1063/5.0213615","url":null,"abstract":"The atomic processes are important for understanding the mechanisms of divertor detachment physics. The developed diagnostic system for atomic processes aims to present the atomic process distributions of ionization and recombination in the whole divertor region of HL-3, which is equipped with the multi-channel visible imaging optics, two SCMOS cameras having identical parameters, and bandpass filters. This configuration enables high spatiotemporal resolution measurements of Balmer lines across the entire divertor region. The maximum frequency of the cameras is 400 fps (512 pixel × 512 pixel), and the field of view covers the entire 1100 × 650 cm2 area of the divertor with the spatial resolution of 1 × 1 cm2. The intensity ratio of experimental measurements of Balmer lines can be used to assess the leading region of ionization, transition from ionization to recombination, and recombination from the Atomic Data and Analysis Structure database. The preliminary results show that ionization is primarily distributed near the last closed flux surface (LCFS), while the transition from ionization to recombination and recombination predominate within a limited region distant from the LCFS. Through the corresponding S/XB, the numbers of ionization and recombination per unit time within the divertor region are obtained. With the evolution of time, the electron density gradually increases, and the ionization region and ionization rate gradually increase. This holds immense significance in advancing our comprehension of the detachment mechanism, facilitating real-time control of divertor detachment and steady-state control technology of heat load in the future.","PeriodicalId":21111,"journal":{"name":"Review of Scientific Instruments","volume":"95 12","pages":""},"PeriodicalIF":1.3,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142771907","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Erratum: "Design of an electron cyclotron emission diagnostics suite for COMPASS Upgrade tokamak" [Rev. Sci. Instrum. 93, 113514 (2022)].

IF 1.3 4区工程技术

Review of Scientific Instruments Pub Date : 2024-12-01 DOI: 10.1063/5.0246659

Saeid Houshmandyar, Thomas A Watts, William L Rowan, Jaromir Zajac, Viktor Veselovsky, Vladislav Ivanov, Ondrej Bogar, Vladimir Weinzettl

引用次数: 0

Geometric preprocessing for measurements of comet 67P acquired by Rosetta's Visible and InfraRed Thermal Imaging Spectrometer, Mapping channel (VIRTIS-M).

IF 1.3 4区工程技术

Review of Scientific Instruments Pub Date : 2024-12-01 DOI: 10.1063/5.0226387

D Kappel, G Arnold, G Filacchione, F Capaccioni, F Tosi, S Erard, M Ciarniello, E D'Aversa, A Raponi, C Leyrat, L V Moroz

{"title":"Geometric preprocessing for measurements of comet 67P acquired by Rosetta's Visible and InfraRed Thermal Imaging Spectrometer, Mapping channel (VIRTIS-M).","authors":"D Kappel, G Arnold, G Filacchione, F Capaccioni, F Tosi, S Erard, M Ciarniello, E D'Aversa, A Raponi, C Leyrat, L V Moroz","doi":"10.1063/5.0226387","DOIUrl":"https://doi.org/10.1063/5.0226387","url":null,"abstract":"Comet 67P/Churyumov-Gerasimenko (hereafter 67P) was the primary target of ESA's Rosetta mission. Hyperspectral images acquired by the Mapping channel of the Visible and InfraRed Thermal Imaging Spectrometer aboard Rosetta can be used to derive physical and compositional surface properties by detailed spectrophotometric analyses. This calls for a precise spatial co-registration between measurements and geometry information. In this work, we improve the wavelength-dependent co-registration and also the spatial consistency of the radiometric calibration. This is accomplished by applying a feature-based image matching method comparing measured 67P nucleus images from the entire mission to corresponding photometric simulations. The derived geometric distortions suggest previously unaccounted optical aberrations of the instrument, in conjunction with non-systematic spacecraft pointing and perspective errors, and discrepancies between the true nucleus shape at data acquisition time and the used digital shape model.","PeriodicalId":21111,"journal":{"name":"Review of Scientific Instruments","volume":"95 12","pages":""},"PeriodicalIF":1.3,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142771930","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Inferring fusion nuclear burnwidths with low gain photomultiplier impulse response functions.

IF 1.3 4区工程技术

Review of Scientific Instruments Pub Date : 2024-12-01 DOI: 10.1063/5.0213471

K D Meaney, J Jeet, J Carrera, E Mariscal, D Schlossberg, A Moore, M Eckart, J Milnes, P Hink, P Hillyard, D Holdener, H Herrmann, H Geppert-Kleinrath, Y Kim

引用次数: 0

Microwave Hall measurements using a circularly polarized dielectric cavity.

IF 1.3 4区工程技术

Review of Scientific Instruments Pub Date : 2024-12-01 DOI: 10.1063/5.0213989

M Roppongi, T Arakawa, Y Yoshino, K Ishihara, Y Kinoshita, M Tokunaga, Y Matsuda, K Hashimoto, T Shibauchi

{"title":"Microwave Hall measurements using a circularly polarized dielectric cavity.","authors":"M Roppongi, T Arakawa, Y Yoshino, K Ishihara, Y Kinoshita, M Tokunaga, Y Matsuda, K Hashimoto, T Shibauchi","doi":"10.1063/5.0213989","DOIUrl":"https://doi.org/10.1063/5.0213989","url":null,"abstract":"We have developed a circularly polarized dielectric rutile (TiO2) cavity with a high quality-factor that can generate circularly polarized microwaves from two orthogonal linearly polarized microwaves with a phase difference of ±π/2 using a hybrid coupler. Using this cavity, we have established a new methodology to measure the microwave Hall conductivity of a small single crystal of metal in the skin-depth region. Based on the cavity perturbation technique, we have shown that all components of the surface impedance tensor can be extracted under the application of a magnetic field by comparing the right- and left-handed circularly polarized modes. To verify the validity of the developed method, we performed test measurements on tiny Bi single crystals at low temperatures. As a result, we have successfully obtained the surface impedance tensor components and confirmed that the characteristic field dependence of the ac Hall angle in the microwave region is consistent with the expectation from the dc transport measurements. These results demonstrate a significant improvement in sensitivity compared to previous methods. Thus, our developed technique allows for more accurate microwave Hall measurements, opening the way for new approaches to explore novel topological quantum phenomena, such as time-reversal symmetry breaking in superconductors.","PeriodicalId":21111,"journal":{"name":"Review of Scientific Instruments","volume":"95 12","pages":""},"PeriodicalIF":1.3,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142771934","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Modeling and application research of absolute gravimeter driven by a V-shaped linear ultrasonic motor.

IF 1.3 4区工程技术

Review of Scientific Instruments Pub Date : 2024-12-01 DOI: 10.1063/5.0238063

Lifeng Zhou, Hao Xu, Ranran Geng, Zhiyuan Yao

{"title":"Modeling and application research of absolute gravimeter driven by a V-shaped linear ultrasonic motor.","authors":"Lifeng Zhou, Hao Xu, Ranran Geng, Zhiyuan Yao","doi":"10.1063/5.0238063","DOIUrl":"https://doi.org/10.1063/5.0238063","url":null,"abstract":"A V-shaped linear ultrasonic motor (LUSM), used as a driving element for the absolute gravimeter, generates structural vibrations when the motor starts and stops, which interfere with and influence the accurate measurement of the absolute gravimeter. In order to address this problem and provide better stability and measurement accuracy, this paper designs a fuzzy proportional integral differential (PID) controller and realizes the drive control of the motor on a field programmable gate array (FPGA) using the Verilog hardware description language (HDL). The advantages of the proposed controller are verified by comparing the simulation results with those of the traditional PID controller. First, the technical index of the LUSM as the driving element is studied through theoretical analysis based on the operation mechanism of the absolute gravimeter. Then, the relationship between the output performance and the input parameters (excitation voltage, preload, and driving frequency) of the motor in a vacuum/natural environment is experimentally investigated. Finally, an experimental system is constructed, and experiments are conducted to measure the acceleration of gravity and compare with the test results of the habitual FG-5 absolute gravimeter. The experimental results show that the output performance of the V-shaped LUSM meets the requirements of the driving element of the absolute gravimeter. The combination of the two control methods can realize the repeatable and stable operation of the system. Moreover, the motor with a mass of only 92 g can output force directly without transmission components. The complexity and the weight of the system are significantly reduced, which has certain advantages.","PeriodicalId":21111,"journal":{"name":"Review of Scientific Instruments","volume":"95 12","pages":""},"PeriodicalIF":1.3,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142771935","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Portable real-time polarimeter for partially and fully polarized light.

IF 1.3 4区工程技术

Review of Scientific Instruments Pub Date : 2024-12-01 DOI: 10.1063/5.0231851

B Mackey, O Sandner, A Saji, A Felipe Ramos, L Hall, S Wilkinson, A McKay, A MacRae

引用次数: 0