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浏览/检索结果: 共12条，第1-10条 帮助 条数/页： 5101520253035404550556065707580859095100 排序方式： 请选择题名升序题名降序提交时间升序提交时间降序作者升序作者降序发表日期升序发表日期降序 Method for obtaining junction temperature of power semiconductor devices combining computational fluid dynamics and thermal network 期刊论文  OAI收割 NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 2020, 卷号: 976, 页码: 10 作者:  Peng, Lisha;  Shen, Wanzeng;  Feng, Anhui;  Liu, Yan;  Gao, Daqing   |  收藏  |  浏览/下载：42/0  |  提交时间：2021/12/09 IGBT module  Junction temperature  Thermal network  CFD simulation  Cold plate   Evaluation of thermal behaviors for the multi-stack vanadium flow battery module 期刊论文  OAI收割 JOURNAL OF ENERGY STORAGE, 2020, 卷号: 27, 页码: 11 作者:  Chen, Fuyu;  Gao, Hai;  Chen, Hui;  Yan, Chuanwei   |  收藏  |  浏览/下载：13/0  |  提交时间：2021/02/02 Vanadium flow battery  Thermal behavior  Thermal modeling  Multi-stack module  Module optimization  Module temperature   Evaluation of thermal behaviors for the multi-stack vanadium flow battery module 期刊论文  OAI收割 JOURNAL OF ENERGY STORAGE, 2020, 卷号: 27, 页码: 11 作者:  Chen, Fuyu;  Gao, Hai;  Chen, Hui;  Yan, Chuanwei   |  收藏  |  浏览/下载：15/0  |  提交时间：2021/02/02 Vanadium flow battery  Thermal behavior  Thermal modeling  Multi-stack module  Module optimization  Module temperature   Thyristor Selection Analysis for ITER Poloidal Field Converter Module 期刊论文  OAI收割 JOURNAL OF FUSION ENERGY, 2015, 卷号: 34, 期号: 3, 页码: 620-628 作者:  Song, Zhiquan;  Zhang, Xing;  Fu, Peng;  Dong, Lin;  Wang, Min   |  收藏  |  浏览/下载：29/0  |  提交时间：2019/06/03 PF converter module  Thyristor selection  FSC  Junction temperature  Characteristic tests   The design and implementation of temperature acquisition system based on PXI (EI CONFERENCE) 会议论文  OAI收割 2012 International Conference on Control Engineering and Communication Technology, ICCECT 2012, December 7, 2012 - December 9, 2012, Shenyang, Liaoning, China 作者:  Wang J. 收藏  |  浏览/下载：30/0  |  提交时间：2013/03/25 This paper introduces the design of temperature acquisition system which is based on the PXI-6251 DAQ device  thermocouple acquisition module SCXI-1102 and the LabVIEW program language of NI. The design of temperature collection software and the configuration of hardware are described in details. The software developed in LabVIEW program language can acquire temperature data rapidly  what's more  the acquired data can be displayed real timely and saved to the disk. It is proved that the system is easy to practical use and can extraction mean square value and mean value after gathering the stable high-speed temperature. The function can be extended according to the demands of users. 2012 IEEE.   The imaging system design of three-line LMCCD mapping camera (EI CONFERENCE) 会议论文  OAI收割 International Symposium on Photoelectronic Detection and Imaging 2011: Advances in Imaging Detectors and Applications, May 24, 2011 - May 26, 2011, Beijing, China 作者:  Zhao Y.;  Yu D.;  Yu D.;  Zhao Y.;  Zhao Y. 收藏  |  浏览/下载：16/0  |  提交时间：2013/03/25 In this paper  the SNR tested in laboratory is better than 95 under typical working condition(the solar incidence degree is 30  the temperature of the focal plane module is controlled under 30 in a working period of 15 minutes. All of these results can satisfy the requirements about the synchronous photography  the authors introduced the theory about LMCCD (line-matrix CCD) mapping camera firstly. On top of the introduction were consists of the imaging system of LMCCD mapping camera. Secondly  the photography interval of line-matrix CCD of the nadir camera can satisfy the butter requirements of LMCCD focal plane module  the reflectivity of the earth's surface is 0.3) of each CCD image  the temperature control of focal plane module and SNR  some pivotal designs which were Introduced about the imaging system  Which give the guarantee of precision for satellite photogrammetry. 2011 SPIE.  such as the design of focal plane module  the video signal's procession  the controller's design of the imaging system  synchronous photography about forward and nadir and backward camera and the nadir camera of line-matrix CCD. At last  the test results of LMCCD mapping camera imaging system were introduced. The results as following: the precision of synchronous photography about forward and nadir and backward camera is better than 4 ns and the nadir camera of line-matrix CCD is better than 4 ns too   Monolithic integration of electroabsorption modulators and tunnel injection distributed feedback lasers using quantum well intermixing 期刊论文  OAI收割 chinese physics b, 2010, 卷号: 19, 期号: 12, 页码: article no.124215 Wang Y; Pan JQ; Zhao LJ; Zhu HL; Wang W 收藏  |  浏览/下载：57/1  |  提交时间：2011/07/05 electroabsorption modulator  tunnel injection  wide temperature range operation  quantum well intermixing  LIGHT-SOURCE MODULE  LOW-DRIVE-VOLTAGE  DFB LASER  TEMPERATURE-DEPENDENCE  CHIRP  TRANSMISSION  OPERATION  LAYER  DIODE  GB/S   Vertical-external-cavity surface-emitting lasers: Numerical simulation, and characterization (EI CONFERENCE) 会议论文  OAI收割 Optoelectronic Materials and Devices III, October 27, 2008 - October 30, 2008, Hangzhou, China 作者:  Qin L. 收藏  |  浏览/下载：26/0  |  提交时间：2013/03/25 Firstly  the vertical external-cavity surface-emiting lasers (VECSELs) device structure and model was given  and the output characteristic was simple calculated. Then  in experiment  the VECSELs were grown  bonded on to the heat sink  and optically pumped by high-power 808nm diode laser array with fiber output module  the light emission spectra were measured. Finally  The thermal characteristic of the VECSELs was investigated by changing the temperature of the substrate. 2008 SPIE.   Compressed infrared mirror-lens system design (EI CONFERENCE) 会议论文  OAI收割 International Symposium on Photoelectronic Detection and Imaging, ISPDI 2007: Optoelectronic System Design, Manufacturing, and Testings, September 9, 2007 - September 12, 2007, Beijing, China 作者:  Jiang H. 收藏  |  浏览/下载：10/0  |  提交时间：2013/03/25 In the special optical system such as the infrared optical system  the compressed construction and mini module is necessary. In this paper  a kind of compressed infrared lens design is proposed. The total length and focus length ratio is no more than 0.6 and this type system is accessible of temperature  the key step in this design is how to make the system actable. The parasitic light is also analyzed. The couple efficient of cool stop is 100%.   High power output and temperature characteristics of 1.06m diode array module (EI CONFERENCE) 会议论文  OAI收割 ICO20: Lasers and Laser Technologies, August 21, 2005 - August 26, 2005, Changchun, China 作者:  Yao S.;  Wang L.;  Wang L. 收藏  |  浏览/下载：61/0  |  提交时间：2013/03/25 In this paper high power diode array module with an emission wavelength of 1.06m is presented. The epitaxial structure is an InGaAs/GaAsP strained-compensated single-quantum well structure. Laser bars with a fill factor of 50% arc processed and show a good temperature characteristics with a slope efficiency only decreasing from 1.08W/A to 1.06W/A when the temperature of heat sink changes from 20C to 40C. The module's CW output power can reach to 68.5W at a current of 80A when the temperature of cooling water is 20C. The central wavelength is 1059.4nm.