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Pressure Drop Characteristics of Flow Boiling in Microchannel With Low Aspect Ratio

Zhang Binglei,Xu Jinliang and Xiao Zejun

Strategic Study of CAE 2007, Volume 9, Issue 12, Pages 86-93

Abstract: Pressure drops of flow boiling in a single microchannel having low aspect ratio were studied with effectsThe comparison indicates that the homogeneous flow model cannot predict the twophase pressure drop welldrop in the microchannel of this study .drop in microchannels was developed in the form of the LockhartMartinelli correlation .It includesthe effect of the hydraulic diameter and the effect of mass flux on the twophase flow pressure drop

Keywords： pressure drop characteristics；homogeneous flow model；separated flow model；microchannel；flow boiling

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A biofilter model for simultaneous simulation of toluene removal and bed pressure drop under varied inlet

Jinying XI,Insun KANG,Hongying HU,Xian ZHANG

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 3, Pages 554-562 doi: 10.1007/s11783-014-0671-z

Abstract: is developed to simultaneously predict the Volatile Organic Compounds (VOCs) removal and filter bed pressuredrop under varied inlet loadings.drop is more sensitive to biomass yield coefficient and original void fraction.The calculated toluene removal efficiency and bed pressure drop satisfactorily fit the experimental datadrop simultaneously.

Keywords： Volatile Organic Compounds (VOCs) biofilters modelling biomass accumulation pressure drop

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CFD evaluation of pressure drop across a 3-D filter housing for industrial gas turbine plants

Fidelis I. ABAM,Samuel O. EFFIOM,Olayinka S. OHUNAKIN

Frontiers in Energy 2016, Volume 10, Issue 2, Pages 192-202 doi: 10.1007/s11708-016-0406-x

Abstract: This paper investigated the flow distribution and total pressure drop across a designed 3-D filter housingfor a heavy-duty industrial gas turbine plant operating at an average ambient temperature of 20°C.The pressureThe results obtained indicated an acceptable total pressure drop of 7.2% for the entire filter housing

Keywords： computational fluid dynamics (CFD) pressure drop flow distribution filter housing gas turbine

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The investigation of pressure drop in moving-beds

CHEN Yunhua, ZHU Xuedong, WU Yongqiang, ZHU Zibin

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 2, Pages 184-189 doi: 10.1007/s11705-007-0034-4

Abstract: The pressure drop of a cross-flow moving-bed was investigated in a two-dimensional rectangular apparatusdrop were investigated experimentally under the operational conditions of 0.09 1.35 m/s of the superficialThe experimental results show that the particle velocity has little influence on the pressure drop, whileThe development of a cavity or a raceway can result in three types of variations of pressure drop withOn the basis of experimental results, a model for calculating the pressure drop after a cavity occurs

Keywords： development cross-flow velocity superficial qualitative account stabilization

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Pressure drop analysis on the positive half-cell of a cerium redox flow battery using computational fluid

Fernando F. Rivera, Berenice Miranda-Alcántara, Germán Orozco, Carlos Ponce de León, Luis F. Arenas

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 2, Pages 399-409 doi: 10.1007/s11705-020-1934-9

Abstract: Calculated pressure drop was validated against experimental data obtained with typical cerium electrolytesIt was found that the pressure drop values were better described by the RANS approach, whereas the validity

Keywords： CFD simulation porous media porous electrode pressure drop redox flow battery

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Numerical simulation and analysis of periodically oscillating pressure characteristics of inviscid flow

Yan GU, Yonglin JU

Frontiers in Energy 2012, Volume 6, Issue 1, Pages 21-28 doi: 10.1007/s11708-012-0173-2

Abstract: characteristics of inviscid flow in the rolling pipe.The influences of flow velocities and excitated conditions on pressure characteristics, including meanpressure, frequency and amplitude are systematically investigated.The amplitude of the pressure fluctuation increases with the increasing of the excitated amplitude, andIt is also found that the period of the pressure fluctuation varies with the excitated frequency.

Keywords： pressure fluctuation rolling floating production storage and offloading unit for liquefied natural gas

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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 experimentallyExperimental results show that the spray characteristics of methanol and ethanol had displayed the sameUnder the low back-pressure ambient conditions, the spray behavior exhibited a hollow cone with wide, but displayed a slightly larger value under high back-pressure due to fuel evaporation.Numerical simulation could successfully demonstrate the spray characteristics of high-pressure swirl

Keywords： low back-pressure diameter initial spray hollow middle

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An investigation into the heat transfer characteristics of spiral wall with internal rib in a supercriticalsliding-pressure operation once-through boiler

TANG Renhu, YIN Fei, WANG Haijun, CHEN Tingkuan

Frontiers in Energy 2007, Volume 1, Issue 3, Pages 300-304 doi: 10.1007/s11708-007-0043-5

Abstract: Within the pressure range of 9–28 MPa, mass velocity range of 600–1 200 kg/(m · s), and heat flux rangeHowever, the heat transfer enhancement decreased near the critical pressure.At supercritical pressure, the temperature difference between the wall and the fluid increased near theincrease of wall temperature was less than that of departure from nucleate boiling at sub-critical pressureWhen pressure is closer to the critical pressure, the temperature difference between the wall and the

Keywords： m · diameter critical pressure sub-critical pressure maximum

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CFD simulation on shell-and-tube heat exchangers with small-angle helical baffles

Minhua ZHANG,Fang MENG,Zhongfeng GENG

Frontiers of Chemical Science and Engineering 2015, Volume 9, Issue 2, Pages 183-193 doi: 10.1007/s11705-015-1510-x

Abstract: Shell-and-tube heat exchanger with helical baffles is superior to that with segmental baffles in reducing pressuredrop, eliminating dead zone and lowering the risks of vibration of tube bundle.among the three baffle shapes the heat exchangers with a 1/4 sector helical baffle have the lowest pressuredrop.

Keywords： heat transfer pressure drop helical baffle CFD

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Numerical analysis on different lateral inlet cyclone flow field

Chen Qidong and Zuo Zhiquan

Strategic Study of CAE 2014, Volume 16, Issue 2, Pages 58-67

Abstract: Results showed that，the pressure field and velocity field of the cyclone with double entries had bettersymmetry and stability；only changing the inlet angle had a limited influence on the pressure field andsimilar in the six kinds of cyclone studied in this article，compared with other cyclones’， the pressuredrop of the bias tangential helicoidal cyclone decreased about 25 %；the inlet total pressure needed

Keywords： cyclone lateral inlet pressure drop inlet total pressure energy consumption

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Heat transfer and fluid flow analysis of an artificially roughened solar air heater: a CFD based investigation

Anil Singh YADAV,J. L. BHAGORIA

Frontiers in Energy 2014, Volume 8, Issue 2, Pages 201-211 doi: 10.1007/s11708-014-0297-7

Abstract: The computations based on the finite volume method with the semi-implicit method for pressure-linked

Keywords： heat transfer pressure drop thermo-hydraulic performance parameter

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Numerical simulation on flow of ice slurry in horizontal straight tube

Shengchun LIU,Ming SONG,Ling HAO,Pengxiao WANG

Frontiers in Energy 2021, Volume 15, Issue 1, Pages 201-207 doi: 10.1007/s11708-017-0451-0

Abstract: of ice slurry in horizontal straight tubes was conducted in this paper to improve its transportation characteristicsdiameter and length of tubes, the ice packing factors (IPF) and the flow velocity of ice slurry on pressure

Keywords： ice slurry horizontal tubes numerical simulation pressure drop viscosity model

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Combined static mixers for high viscous fluids mixing

Zhenhao XI, Weizhen SUN, Ling ZHAO, Zhaoyan LIU

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 1, Pages 93-96 doi: 10.1007/s11705-009-0112-x

Abstract: The pressure drop of Cross-over-Disc is 12—26 times as large as that of empty pipe with equivalent diameterCross-over-Disc and three pairs from Sulzer-type) can be decreased to 2.1%—3.1% within a reasonable range of pressuredrop.

Keywords： static mixer Cross-over-Disc pressure drop mixing performance high viscous fluid

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Local resistance of fluid flow across sudden contraction in small channels

Hang GUO, Ling WANG, Jian YU, Fang YE, Chongfang MA, Zhuo LI,

Frontiers in Energy 2010, Volume 4, Issue 2, Pages 149-154 doi: 10.1007/s11708-009-0060-7

Abstract: The pressure drop caused by flow area contraction in microchannels has been experimentally studied inthis paper using the tiny gap pressure measurement method.The working fluid was deionized water at room temperature at near-atmospheric pressure.

Keywords： microchannels pressure drop abrupt contraction loss coefficients

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Study on water pressure characteristics of Xiamen Xiang’an Subsea Tunnel

Cheng Zhengming

Strategic Study of CAE 2012, Volume 14, Issue 11, Pages 29-35

Abstract:

The reasonable water pressure upon lining determination is the key toThe analytic method calculation formula of outside pressure upon lining of circular subsea tunnel wasResults of model tests showed that under the condition of fully closed, the pressure on lining couldnot be reduced; the water pressure would significantly reduce if the water of the tunnel was drained,Lining external water pressure formula under limited drainage was established, and it was also verified

Keywords： subsea tunnel lining water pressure model test limited drainage reduction

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Title Author Date Type Operation

Pressure Drop Characteristics of Flow Boiling in Microchannel With Low Aspect Ratio

Zhang Binglei,Xu Jinliang and Xiao Zejun

Journal Article

A biofilter model for simultaneous simulation of toluene removal and bed pressure drop under varied inlet

Jinying XI,Insun KANG,Hongying HU,Xian ZHANG

Journal Article

CFD evaluation of pressure drop across a 3-D filter housing for industrial gas turbine plants

Fidelis I. ABAM,Samuel O. EFFIOM,Olayinka S. OHUNAKIN

Journal Article

The investigation of pressure drop in moving-beds

CHEN Yunhua, ZHU Xuedong, WU Yongqiang, ZHU Zibin

Journal Article

Pressure drop analysis on the positive half-cell of a cerium redox flow battery using computational fluid

Fernando F. Rivera, Berenice Miranda-Alcántara, Germán Orozco, Carlos Ponce de León, Luis F. Arenas

Journal Article

Numerical simulation and analysis of periodically oscillating pressure characteristics of inviscid flow

Yan GU, Yonglin JU

Journal Article

Spray characteristics of high-pressure swirl injector fueled with alcohol

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

Journal Article

An investigation into the heat transfer characteristics of spiral wall with internal rib in a supercriticalsliding-pressure operation once-through boiler

TANG Renhu, YIN Fei, WANG Haijun, CHEN Tingkuan

Journal Article

CFD simulation on shell-and-tube heat exchangers with small-angle helical baffles

Minhua ZHANG,Fang MENG,Zhongfeng GENG

Journal Article

Numerical analysis on different lateral inlet cyclone flow field

Chen Qidong and Zuo Zhiquan

Journal Article

Heat transfer and fluid flow analysis of an artificially roughened solar air heater: a CFD based investigation

Anil Singh YADAV,J. L. BHAGORIA

Journal Article

Numerical simulation on flow of ice slurry in horizontal straight tube