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Influence of mass air flow ratio on gas-particle flow characteristics of a swirl burner in a 29 MW pulverized

Rong YAN, Zhichao CHEN, Shuo GUAN, Zhengqi LI

Frontiers in Energy 2021, Volume 15, Issue 1,   Pages 68-77 doi: 10.1007/s11708-020-0697-9

Abstract: The size of the central reflux zone remained stable when the air volume ratio changed.

Keywords： industrial pulverized coal boiler     swirl burner     air/particle flow     particle dynamic analyzer (PDA)    

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Control of peak pressures of an HCCI engine under varying swirl and operating parameters

T. KARTHIKEYA SHARMA,G. AMBA PRASAD RAO,K. MADHU MURTHY

Frontiers in Energy 2016, Volume 10, Issue 3,   Pages 337-346 doi: 10.1007/s11708-016-0401-2

Abstract: properties like speed of the engine, piston bowl geometry, exhaust gas recirculation (EGR) and equivalence ratioThe results show that the swirl ratio has a considerable impact on controlling the peak pressures ofA reduction in peak pressures are observed with a swirl ratio of 4 because of reduced in cylinder temperaturesfour operating parameters, i.e., the speed of the engine, piston bowl geometry, EGR, and equivalence ratioand higher swirl ratios are favorable in controlling the peak pressures.

Keywords： HCCI engine     ECFM-3Z     Swirl ratio     peak pressures     engine speed     piston bowl geometry    

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Micronization of curcumin with biodegradable polymer by supercritical anti-solvent using micro swirl

Kimthet Chhouk, Wahyudiono, Hideki Kanda, Shin-Ichro Kawasaki, Motonobu Goto

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 1,   Pages 184-193 doi: 10.1007/s11705-017-1678-3

Abstract: In this work, a swirl mixer was employed to produce the micronized curcumin with polyvinylpyrrolidoneThe effects of operating parameters such as curcumin/PVP ratio, feed concentration, temperature, pressureresult shows that the optimal condition for the production of curcumin/PVP particles is at curcumin/PVP ratio

Keywords： micronization     curcumin     polyvinylpyrrolidone     supercritical anti-solvent     swirl mixer    

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Design of an Automatic Test System for Diesel Inlet Swirl and Evaluation Methods

Wang Jichao,Liu Dexin,Feng Hongqing

Strategic Study of CAE 2007, Volume 9, Issue 5,   Pages 85-90

Abstract:

  Swirl is a key parameter that directly influences the efficiency

Keywords： swirl     diesel engine     paddle wheel anemometer     swirl torque meter     steady test bench    

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Spray characteristics of high-pressure swirl injector fueled with alcohol

WANG Xibin, CHEN Wansheng, GAO Jian, JIANG Deming, HUANG Zuohua

Frontiers in Energy 2007, Volume 1, Issue 1,   Pages 105-112 doi: 10.1007/s11708-007-0012-z

Abstract: The spray characteristics of methanol and ethanol with high-pressure swirl injector were explored experimentallythat methanol and ethanol had a slightly larger Sauter mean diameter (SMD) than that of gasoline with swirlNumerical simulation could successfully demonstrate the spray characteristics of high-pressure swirl

Keywords： low back-pressure     diameter     initial spray     hollow     middle    

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Hydraulic Pressure Extremes Ratio & Extremes Ratio Efficiencies

Qi Maolin

Strategic Study of CAE 2001, Volume 3, Issue 4,   Pages 73-75

Abstract: applies basic formula to the calculation of a relationship between the hydraulic pressure extremes ratioof hydraulic system and the extremes ratio efficiencies.This relationship shows that the greater the hydraulic pressure extremes ratio is, the lower the extremesratio efficiencies are.The article holds that the hydraulic pressure extremes ratio can be designed and chosen.

Keywords： hydraulic pressure extremes ratio     extremes ratio efficiencies     hydraulic system    

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Controlling interstory drift ratio profiles via topology optimization strategies

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 2,   Pages 165-178 doi: 10.1007/s11709-022-0892-3

Abstract: proposed approach involves solving a min–max optimization problem to suppress the maximum interstory drift ratioThe proposed methodology can shape the interstory drift ratio profiles into inverted triangular or quadratic

Keywords： interstory drift ratio     aggregation function     bound formulation     min–max problem     topology optimization    

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Entropy production analysis of swirling diffusion combustion processes

Deodat MAKHANLALL, Linhua LIU,

Frontiers in Energy 2010, Volume 4, Issue 3,   Pages 326-332 doi: 10.1007/s11708-009-0058-1

Abstract: conducting a parametric investigation to include the effects of wall emissivity, optical thickness, swirlGlobal entropy production rates decrease with the increase in swirl velocity, wall emissivity and optical

Keywords： entropy-based design     radiation transfer     swirl     magnussen combustion-model    

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A methodology of implementing target mixing ratio for asphalt mixture

Yucheng HUANG, Lun JI, Rui WEN, Ming ZHANG

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 3,   Pages 308-314 doi: 10.1007/s11709-017-0405-y

Abstract: of hot mix asphalt adequately during the construction process, the significance of objective mixing ratioThe results show that the set of methods can not only implement the objective mixing ratio of hot mix

Keywords： asphalt mixture     target mixing ratio     mix design implementation     batching & mixing plant debugging    

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Diagnostic evaluation of plasma aldosterone concentration to plasma renin activity ratio in primary aldosteronism

ZHANG Huilan, WANG Daowen

Frontiers of Medicine 2008, Volume 2, Issue 1,   Pages 11-14 doi: 10.1007/s11684-008-0003-4

Abstract: Using the plasma aldosterone concentration to plasma renin activity ratio (PAC/PRA ratio) as the screeninghypertensive patients, we studied the clinical characteristics and the diagnostic value of PAC/PRA ratioOne hundred and twenty-six suspected primary aldosteronism patients whose PAC/PRA ratio was > 25 ng/dLThe PAC/PRA ratio can be considered as a routine screening test in hypertensives, especially resistanthypertensive patients and a high PAC/PRA ratio is an invaluable index in primary aldosteronism diagnosis
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Enhancing the efficiency of nitrogen removing bacterial population to a wide range of C:N ratio (1.5:

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 8, doi: 10.1007/s11783-022-1522-y

Abstract:

• Simultaneous C & N removal in Methammox occurs at wide C:N ratio.

Keywords： Methanogens     Biological Nitrogen Removal (BNR)     Simultaneous     Methammox     C:N ratio    

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Experimental study of structural damage identification based on modal parameters and decay ratio of acceleration

Zhigen WU, Guohua LIU, Zihua ZHANG

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 1,   Pages 112-120 doi: 10.1007/s11709-010-0069-3

Abstract: A novel damage assessment method based on the decay ratio of acceleration signals (DRAS) was proposed

Keywords： damage assessment     decay ratio of acceleration signals (DRAS)     wavelet transform (WT)     modal analysis     reinforced    

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The influence of the NCO/OH ratio and the 1,6-hexanediol/dimethylol propionic acid molar ratio on the

Jiao Feng, Qiuhao Lu, Weimin Tan, Kequan Chen, Pingkai Ouyang

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 1,   Pages 80-89 doi: 10.1007/s11705-018-1763-2

Abstract: indicate that the degree of hydrogen bonding and the numbers of urea groups increase as the NCO/OH ratioand HDO/DMPA molar ratio increase.Furthermore, the phase separation increases and the thermal stability decreases as the NCO/OH ratio increasesor the HDO/DMPA molar ratio decreases.

Keywords： 1     5-pentamethylene diisocyanate     polyurethane     water based    

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Long term performance of recycled concrete beams with different water–cement ratio and recycled aggregate

Jingwei YING; Feiming SU; Shuangren CHEN

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 3,   Pages 302-315 doi: 10.1007/s11709-022-0803-7

Abstract: service performance of recycled aggregate concrete (RAC) components for different values of water−cement ratiorequirements when changing the replacement rate of RCA, it is necessary to change the water−cement ratiodeformation properties of reinforced concrete beams were tested respectively by changing water−cement ratioreduced more effectively by adjusting the replacement rate of RCA than by adjusting the water−cement ratioThe water−cement ratio has an evident influence on the axial compressive strength and early creep of

Keywords： recycled concrete     beam     the replacement rate of recycled coarse aggregate     water–cement ratio     digital    

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Influence of nozzle height to width ratio on ignition and NO

Liutao SUN, Yonghong YAN, Rui SUN, Zhengkang PENG, Chunli XING, Jiangquan WU

Frontiers in Energy 2021, Volume 15, Issue 2,   Pages 431-448 doi: 10.1007/s11708-021-0726-3

Abstract: The combustion tests indicate that the flame stability, ignition performance, and fuel burnout ratioFurthermore, the ratio (denoted by / ) of the strong reduction zone area to the combustion reaction

Keywords： rectangular jet burner     nozzle height to width ratio     ignition characteristics     pyrolyzed semicoke (SC)    

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Title Author Date Type Operation

Influence of mass air flow ratio on gas-particle flow characteristics of a swirl burner in a 29 MW pulverized

Rong YAN, Zhichao CHEN, Shuo GUAN, Zhengqi LI

Journal Article

Control of peak pressures of an HCCI engine under varying swirl and operating parameters

T. KARTHIKEYA SHARMA,G. AMBA PRASAD RAO,K. MADHU MURTHY

Journal Article

Micronization of curcumin with biodegradable polymer by supercritical anti-solvent using micro swirl

Kimthet Chhouk, Wahyudiono, Hideki Kanda, Shin-Ichro Kawasaki, Motonobu Goto

Journal Article

Design of an Automatic Test System for Diesel Inlet Swirl and Evaluation Methods

Wang Jichao,Liu Dexin,Feng Hongqing

Journal Article

Spray characteristics of high-pressure swirl injector fueled with alcohol

WANG Xibin, CHEN Wansheng, GAO Jian, JIANG Deming, HUANG Zuohua

Journal Article

Hydraulic Pressure Extremes Ratio & Extremes Ratio Efficiencies

Qi Maolin

Journal Article

Controlling interstory drift ratio profiles via topology optimization strategies

Journal Article

Entropy production analysis of swirling diffusion combustion processes

Deodat MAKHANLALL, Linhua LIU,

Journal Article

A methodology of implementing target mixing ratio for asphalt mixture

Yucheng HUANG, Lun JI, Rui WEN, Ming ZHANG

Journal Article

Diagnostic evaluation of plasma aldosterone concentration to plasma renin activity ratio in primary aldosteronism

ZHANG Huilan, WANG Daowen

Journal Article

Enhancing the efficiency of nitrogen removing bacterial population to a wide range of C:N ratio (1.5:

Journal Article

Experimental study of structural damage identification based on modal parameters and decay ratio of acceleration

Zhigen WU, Guohua LIU, Zihua ZHANG

Journal Article

The influence of the NCO/OH ratio and the 1,6-hexanediol/dimethylol propionic acid molar ratio on the

Jiao Feng, Qiuhao Lu, Weimin Tan, Kequan Chen, Pingkai Ouyang

Journal Article

Long term performance of recycled concrete beams with different water–cement ratio and recycled aggregate

Jingwei YING; Feiming SU; Shuangren CHEN

Journal Article

Influence of nozzle height to width ratio on ignition and NO

Liutao SUN, Yonghong YAN, Rui SUN, Zhengkang PENG, Chunli XING, Jiangquan WU

Journal Article