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Your search keyword '"Yin, Haoran"' showing total 310 results
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310 results on '"Yin, Haoran"'

102. Enhanced Electrocatalytic Oxidation of Phenol by SnO 2 -Sb 2 O 3 /GAC Particle Electrodes in a Three-Dimensional Electrochemical Oxidation System.

Author

Pu, Yu, Zhao, Fan, Chen, Yini, Lin, Xiangyu, Yin, Haoran, and Tang, Xinhua

Subjects
STANNIC oxide, ELECTROCHEMICAL electrodes, ELECTRODE performance, CHEMICAL oxygen demand, OXIDATION
Abstract

In this study, SnO2-Sb2O3/GAC particle electrodes were prepared using the dip-calcination method. The particle electrodes were characterized by scanning electron microscopy (SEM), X-ray diffraction (XRD), Brunauer Emmett Teller (BET), thermogravimetric test and linear sweep voltammetry (LSV), which proved that the metal oxide was successfully loaded on the granular activated carbon and exhibited high electrocatalytic activity and thermal stability. The effects of initial pH, electrolytic voltage, electrolyte concentration, initial phenol concentration and particle electrode dosage on the performance of the three-dimensional (3D) electrocatalytic oxidation in phenol degradation were investigated. The results showed that under the optimal conditions, the removal rates of phenol and chemical oxygen demand (COD) were 99.65% and 67.16%, respectively. Finally, it was found that the novel particle electrodes had the ability of stable operation, maintaining high-efficiency operation no less than 15 times, which further highlights their robustness and durability. [ABSTRACT FROM AUTHOR]

Published
2023
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106. Design and Performance Analysis of AFDM with Multiple Antennas in Doubly Selective Channels

Author

Yin, Haoran, Wei, Xizhang, Tang, Yanqun, and Yang, Kai

Subjects
Signal Processing (eess.SP), FOS: Computer and information sciences, Computer Science - Information Theory, Information Theory (cs.IT), FOS: Electrical engineering, electronic engineering, information engineering, Data_CODINGANDINFORMATIONTHEORY, Electrical Engineering and Systems Science - Signal Processing, Computer Science::Information Theory
Abstract

On the heels of orthogonal time frequency space (OTFS) modulation, the recently discovered affine frequency division multiplexing (AFDM) is a promising waveform for the sixth-generation wireless network. In this paper, we introduce the multiple-input multiple-output AFDM (MIMO-AFDM) system, which combines the superiorities of high multiplexing and diversity gain from MIMO and strong delay-Doppler spread resilience from AFDM. In the case of ideal channel state information (CSI), we first fomulate the vectorized input-output relationship, and then prove that the MIMO-AFDM system can achieve full diversity in doubly slective channels. Consequently, MIMO-AFDM has the bit error ratio (BER) performance identical to MIMO-OTFS while outperforming MIMO-OFDM significantly. Moreover, for the case of imperfect CSI, we propose a low-complexity embedded pilot-aided diagonal reconstruction (EPA-DR) channel estimation scheme. Simulation results show that MIMO-AFDM with estimated CSI establishes the BER performance similar to that with ideal CSI. Finally, we investigate the orthogonal resource allocation of affine frequency division multiple access (AFDMA) system, which shows great potential for multiple access in high mobility scenarios thanks to its high efficiency and flexibility.

Published
2022
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107. Nano‐α‐Fe2O3 for enhanced denitrification in a heterotrophic/biofilm‐electrode autotrophic denitrification reactor.

Author

Yin, Haoran, Lin, Xiangyu, Zhao, Fan, Pu, Yu, Chen, Yini, and Tang, Xinhua

Subjects
*DENITRIFICATION, *CHARGE exchange, *POLYSACCHARIDES, *ACTIVATED carbon, *NITRITES
Abstract

In this study, a heterotrophic/biofilm‐electrode autotrophic denitrification reactor (HAD‐BER) was constructed and nano‐ɑ‐Fe2O3 was coated on granular activated carbon (GAC) as a third electrode to enhance the nitrate removal performance. The introduction of nano‐ɑ‐Fe2O3 could stimulate microorganisms to secrete more extracellular polymeric substances (EPS), accelerating the electron transfer. Moreover, more denitrification bacteria were enriched on the particle electrodes, especially Pseudomonas and Thermomonas, which played a significant role in denitrification. The denitrification performance at different COD/N ratios (0.65–3.23) and current intensities (0–150 mA) was investigated in depth. When the nitrate concentration of the influent was 60 mg/L, nitrate was almost completely removed at the optimal current intensity (60 mA) and COD/N ratio (1.29). At the same time, there was almost no nitrite (<0.10 mg/L) and ammonia nitrogen (0 mg/L) accumulation in the effluent. This study provided a new direction for the advancement of HAD‐BER and accelerated its implementation. Practitioner Points: By introducing nano‐a‐Fe2O3 into HAD‐BER, more denitrification bacteria were enriched on the particle electrodes.The increased contents of polysaccharide and protein content could accelerate the electron transfer.Almost completely denitrification could be achieved at current = 60 mA and COD/N = 1.29.The study provided a new direction for the further development of HAD‐BERs. [ABSTRACT FROM AUTHOR]

Published
2022
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120. Cover image

Author

Luo, Mingkun, primary, Lu, Guoqing, additional, Yin, Haoran, additional, Wang, Lanmei, additional, Atuganile, Malambugi, additional, and Dong, Zaijie, additional

Published
2021
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122. Research on ARJ21 wake encounter response based on radar detection data.

Author

PAN Weijun, YIN Haoran, WO Yuming, and WANG Hao

Abstract

In order to reduce the wake separation between a ARJ21 aircraft and its front aircraft and to improve the airspace capacity and airport operation efficiency, theoretical analysis and experimental verification were carried out based on the actual detection of aircraft wake vortex data by airport wind lidar combined with the domestic aircraft ARJ21 aerodynamic response model. The aerodynamic force and moment of a ARJ21 aircraft under the action of different front aircraft wake were obtained. The results show that the ARJ21 is in no bump state when follows a B747 with an interval of 9.3km, and the rolling moment coefficient is less than the limit range. When follows a A320 or B737 with an interval of 6km, the ARJ21 is in the state of no turbulence, and the rolling moment coefficient is less than the limit range. The results show that the wake separation of a ARJ21 aircraft has a certain reduction space. [ABSTRACT FROM AUTHOR]

Published
2022
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127. Cover Image

Author

Yin, Haoran, primary, Luo, Mingkun, additional, Luo, Wentao, additional, Wang, Lanmei, additional, Zhu, Wenbin, additional, Fu, Jianjun, additional, and Dong, Zaijie, additional

Published
2020
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133. BRD4 regulates self‐renewal ability and tumorigenicity of glioma‐initiating cells by enrichment in the Notch1 promoter region

Author

Tao, Zhennan, primary, Li, Xuetao, additional, Wang, Hao, additional, Chen, Guangliang, additional, Feng, Zibin, additional, Wu, Yue, additional, Yin, Haoran, additional, Zhao, Guozheng, additional, Deng, Zhitong, additional, Zhao, Chaohui, additional, Li, Yanyan, additional, Sun, Ting, additional, and Zhou, Youxin, additional

Published
2020
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148. Study on Capacity Improvement of Close Range Dual Runway of Shuangliu Airport under New Wake Classification Standard (RECAT)

Author

Yin Haoran, Tianyi Wu, Wei-Jun Pan, Zirui Yin, and Hengheng Zhang

Subjects
Operation mode, Aeronautics, Separation (aeronautics), Environmental science, Runway, Wake, International airport, Dual (category theory), Close range
Abstract

With the increasing number of flights, the gap between the front and rear aircrafts is gradually reduced. The wake separation becomes one of the important factors restricting the reduction of aircraft separation, which results in the runway occupation time can not be further reduced, and the runway capacity is also restricted to a certain extent. In recent years, the wake reclassification (Recat) promoted by FAA has been applied to runway capacity the increase has played a positive role. In this paper, the capacity of Chengdu Shuangliu International Airport is studied, and the capacity models of approach runway and departure runway are established respectively. According to the relevant characteristics of Chengdu Shuangliu International Airport, the runway capacity model under one landing operation mode is established, and the runway capacity is calculated by using MATLAB software with reference to the new American wake classification standard (Recat). Finally, it is concluded that under the condition of introducing Recat, the capacity of Chengdu Shuangliu International Airport can be increased by 12.3% in theory.

Published
2021

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