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Fast scaling approach based on cavitation conditions to estimate the speed limitation for axial piston

Qun CHAO, Jianfeng TAO, Junbo LEI, Xiaoliang WEI, Chengliang LIU, Yuanhang WANG, Linghui MENG

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 1,   Pages 176-185 doi: 10.1007/s11465-020-0616-0

Abstract: This paper presents a scaling law derived from an analytical cavitation model to estimate the speed limitationsThe cavitation model is experimentally verified using a high-speed axial piston pump, and the scalingFurthermore, a characteristic constant is defined based on the presented scaling law.

Keywords： axial piston pump     cavitation     speed limitation     scaling law    

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Research on Battery-aware Dynamic Voltage Scaling Policy

Xu Shen,Hu Chen

Strategic Study of CAE 2008, Volume 10, Issue 2,   Pages 79-85

Abstract: In this paper, the problem of task scheduling with dynamic voltage scaling such that the maximum consume

Keywords： battery optimization     dynamic voltage scaling     adjustment of idle time distribution    

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Scaling up of cluster beam deposition technology for catalysis application

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 6,   Pages 1360-1379 doi: 10.1007/s11705-021-2101-7

Abstract: Many research works have demonstrated that the combination of atomically precise cluster deposition and theoretical calculations is able to address fundamental aspects of size-effects, cluster-support interactions, and reaction mechanisms of cluster materials. Although the wet chemistry method has been widely used to synthesize nanoparticles, the gas-phase synthesis and size-selected strategy was the only method to prepare supported metal clusters with precise numbers of atoms for a long time. However, the low throughput of the physical synthesis method has severely constrained its wider adoption for catalysis applications. In this review, we introduce the latest progress on three types of cluster source which have the most promising potential for scale-up, including sputtering gas aggregation source, pulsed microplasma cluster source, and matrix assembly cluster source. While the sputtering gas aggregation source is leading ahead with a production rate of ~20 mg·h–1, the pulsed microplasma source has the smallest physical dimensions which makes it possible to compact multiple such devices into a small volume for multiplied production rate. The matrix assembly source has the shortest development history, but already show an impressive deposition rate of ~10 mg·h–1. At the end of the review, the possible routes for further throughput scale-up are envisaged.

Keywords： nanoparticle     cluster     cluster beam deposition     magnetron sputtering     heterogeneous catalysis    

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Scaling up a novel denitrifying microbial fuel cell with an oxic-anoxic two stage biocathode

Peng LIANG, Jincheng WEI, Ming LI, Xia HUANG

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 6,   Pages 913-919 doi: 10.1007/s11783-013-0583-3

Abstract: A scaled up microbial fuel cell (MFC) of a 50 L volume was set up with an oxic-anoxic two-stage biocathode and activated semicoke packed electrodes to achieve simultaneous power generation and nitrogen and organic matter removals. An average maximum power density of 43.1 W·m was obtained in batch operating mode. By adjusting the two external resistances, the denitrification in the A-MFC and power production in the O-MFC could be enhanced. In continuous mode, when the hydraulic retention times were set at 6 h, 8 h and 12 h, the removal efficiencies of COD, and total nitrogen (TN) were higher than 95%, 97%, and 84%, respectively. Meanwhile the removal loads for COD, and TN were10, 0.37 and 0.4 kg·(m ·d) , respectively.

Keywords： microbial fuel cell (MFC)     oxic-anoxic two stage biocathode     denitrifying    

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Energy-aware scheduling with reconstruction and frequency equalization on heterogeneous systems

Yong-xing LIU,Ken-li LI,Zhuo TANG,Ke-qin LI

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 7,   Pages 519-531 doi: 10.1631/FITEE.1400399

Abstract: With the increasing energy consumption of computing systems and the growing advocacy for green computing, energy efficiency has become one of the critical challenges in high-performance heterogeneous computing systems. Energy consumption can be reduced by not only hardware design but also software design. In this paper, we propose an energy-aware scheduling algorithm with equalized frequency, called EASEF, for parallel applications on heterogeneous computing systems. The EASEF approach aims to minimize the finish time and overall energy consumption. First, EASEF extracts the set of paths from an application. Then, it reconstructs the application based on the extracted set of paths to achieve a reasonable schedule. Finally, it adopts a progressive way to equalize the frequency of tasks to reduce the total energy consumption of systems. Randomly generated applications and two real-world applications are examined in our experiments. Experimental results show that the EASEF algorithm outperforms two existing algorithms in terms of makespan and energy consumption.

Keywords： Directed acyclic graph     Dynamic voltage scaling     Energy aware     Heterogeneous systems     Task scheduling    

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Simulation on Scaling-up for Coupling to Oxalic Acid in Gaseous Phase

Wang Baowei,Ma Xinbin,Li Zhenhua,Xu Genhui

Strategic Study of CAE 2001, Volume 3, Issue 2,   Pages 79-85

Abstract: It was found that the key problem for scaling-up this process is to match the CO coupling reaction rate

Keywords： CO coupling     oxalic acid     scale-up experiment     catalytic engineering    

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Processes at Multi-levels in Bioreactor and Its Application for Special Purposes——Optimization and Scaling

Zhang siliang

Strategic Study of CAE 2001, Volume 3, Issue 8,   Pages 37-45

Abstract: technology of fermentation process at multi-levels based on the parameter correlation methodology and scaling-up

Keywords： bioreactor     fermentation     optimization     scale up    

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Large-scale industrial manufacturing of carbon nanotubes in a continuous inclined mobile-bed rotating reactor via the catalytic chemical vapor deposition process

Sophie L. Pirard, Sigrid Douven, Jean-Paul Pirard

Frontiers of Chemical Science and Engineering 2017, Volume 11, Issue 2,   Pages 280-289 doi: 10.1007/s11705-017-1635-1

Abstract: This article reports the different steps of the design, development and validation of a process for continuous production of carbon nanotubes (CNTs) via catalytic chemical vapor deposition from the laboratory scale to the industrial production. This process is based on a continuous inclined mobile-bed rotating reactor and very active catalysts using methane or ethylene as carbon source. The importance of modeling taking into account the hydrodynamic, physicochemical and physical phenomena that occur during CNT production in the process analysis is emphasized. The impact of this invention on the environment and human health is taken into consideration too.

Keywords： carbon nanotubes     catalytic chemical vapor deposition     inclined rotating reactor     industrial process     scaling-up    

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A novel method for PAPR reduction of the OFDM signal using nonlinear scaling and FM Regular Article

Yi-hu Xu, Jung-Yeol Oh, Zhen-hao Sun, Myoung-Seob Lim,xuyh@ybu.edu.cn,mslim@jbnu.ac.kr

Frontiers of Information Technology & Electronic Engineering 2019, Volume 20, Issue 11,   Pages 1587-1594 doi: 10.1631/FITEE.1800438

Abstract: The time slot location and scaling ratio for where and how the high peak baseband OFDM signal is downscaled

Keywords： 正交频分复用；峰均比；非线性缩放；调频技术    

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Status Quo of International Cooperation in Competitive Industries and Manufacturing in the Six Economic Corridors along the Belt and Road

Tang Yongchuan,Pan Yunhe, Zhang Xue, Hang Jiangjie

Strategic Study of CAE 2019, Volume 21, Issue 4,   Pages 60-68 doi: 10.15302/J-SSCAE-2019.04.003

Abstract: Meanwhile, the multidimensional scaling method is adopted to explore the overall trade and manufacturing

Keywords： and Road，manufacturing，six economic corridors，revealed comparative advantage index，multidimensional scaling    

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Xin’anjiang Nested Experimental Watershed (XAJ-NEW) for Understanding Multiscale Water Cycle: Scientific Objectives and Experimental Design Article

Ke Zhang,Yunping Li,Zhongbo Yu,Tao Yang,Junzeng Xu,Lijun Chao,Jin Ni,Liutong Wang,Yun Gao,Yuzhong Hu,Zuoding Lin,

Engineering 2022, Volume 18, Issue 11,   Pages 207-217 doi: 10.1016/j.eng.2021.08.026

Abstract: experimental program, strengthening the observation of the water cycle, discovering the spatiotemporal scalingfurther reveal the mechanisms controlling runoff generation and partitioning, discover the spatiotemporal scaling

Keywords： Water cycle     Runoff generation     Hydrological processes     Hydrological scaling     Soil moisture     Groundwater     Canopy    

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Title Author Date Type Operation

Fast scaling approach based on cavitation conditions to estimate the speed limitation for axial piston

Qun CHAO, Jianfeng TAO, Junbo LEI, Xiaoliang WEI, Chengliang LIU, Yuanhang WANG, Linghui MENG

Journal Article

Research on Battery-aware Dynamic Voltage Scaling Policy

Xu Shen,Hu Chen

Journal Article

Scaling up of cluster beam deposition technology for catalysis application

Journal Article

Scaling up a novel denitrifying microbial fuel cell with an oxic-anoxic two stage biocathode

Peng LIANG, Jincheng WEI, Ming LI, Xia HUANG

Journal Article

Energy-aware scheduling with reconstruction and frequency equalization on heterogeneous systems

Yong-xing LIU,Ken-li LI,Zhuo TANG,Ke-qin LI

Journal Article

Simulation on Scaling-up for Coupling to Oxalic Acid in Gaseous Phase

Wang Baowei,Ma Xinbin,Li Zhenhua,Xu Genhui

Journal Article

Processes at Multi-levels in Bioreactor and Its Application for Special Purposes——Optimization and Scaling

Zhang siliang

Journal Article

Large-scale industrial manufacturing of carbon nanotubes in a continuous inclined mobile-bed rotating reactor via the catalytic chemical vapor deposition process

Sophie L. Pirard, Sigrid Douven, Jean-Paul Pirard

Journal Article

A novel method for PAPR reduction of the OFDM signal using nonlinear scaling and FM

Yi-hu Xu, Jung-Yeol Oh, Zhen-hao Sun, Myoung-Seob Lim,xuyh@ybu.edu.cn,mslim@jbnu.ac.kr

Journal Article

Status Quo of International Cooperation in Competitive Industries and Manufacturing in the Six Economic Corridors along the Belt and Road

Tang Yongchuan,Pan Yunhe, Zhang Xue, Hang Jiangjie

Journal Article

Xin’anjiang Nested Experimental Watershed (XAJ-NEW) for Understanding Multiscale Water Cycle: Scientific Objectives and Experimental Design

Ke Zhang,Yunping Li,Zhongbo Yu,Tao Yang,Junzeng Xu,Lijun Chao,Jin Ni,Liutong Wang,Yun Gao,Yuzhong Hu,Zuoding Lin,

Journal Article