Resource Type

Journal Article 557

Year

2023 28

2022 35

2021 29

2020 29

2019 36

2018 28

2017 35

2016 19

2015 28

2014 19

2013 22

2012 19

2011 29

2010 47

2009 30

2008 39

2007 25

2006 11

2005 6

2004 8

open ︾

Keywords

heat transfer 21

pressure 11

different 8

genetic algorithm 7

pressure drop 7

numerical simulation 6

heat exchanger 5

simulation 5

Optimal control 4

temperature 4

Adsorption 3

CFD 3

High pressure 3

cogeneration 3

function 3

heat and mass transfer 3

heat integration 3

heat transfer coefficient 3

liquid metal 3

open ︾

Search scope:

排序： Display mode:

Simulation of the optimal heat rejection pressure for transcritical CO

Junlan YANG, Yitai MA, Minxia LI, Hua TIAN

Frontiers in Energy 2010, Volume 4, Issue 4,   Pages 522-526 doi: 10.1007/s11708-010-0027-8

Abstract: The simulation results show that a maximum COP exists at the optimal heat rejection pressure not onlyAlso, the optimal heat rejection pressures of the throttle valve cycle are greater than those of theIn order to further obtain correlation of the optimal heat rejection pressure for transcritical CO expanderBased on the simulation results, the values of the optimal heat rejection pressure for the expander cycle

Keywords： transcritical CO2 cycle     optimal heat rejection pressure     simulation     expander    

HTML PDF Collect

Numerical investigation and optimal design of fiber Bragg grating based wind pressure sensor

Xiangjie WANG, Danhui DAN, Rong XIAO, Xingfei YAN

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 3,   Pages 286-292 doi: 10.1007/s11709-017-0415-9

Abstract: A wind pressure sensor based on fiber Bragg grating (FBG) for engineering structure was investigatedWe established a transaction model of wind pressure to strain and proposed a method of temperature compensationthe basic parameters of the sensor were optimized with the aim of maximum strain under the basic wind pressureThe result shows that the wind pressure sensor we proposed is well performed and have good sensing properties

Keywords： wind pressure measurement     wind pressure sensor     fiber Bragg grating     optimal design    

HTML PDF Collect

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 rangepostpone departure from nucleate boiling at the sub-critical pressure.However, the heat transfer enhancement decreased near the critical pressure.When pressure is closer to the critical pressure, the temperature difference between the wall and theConsidering the effect of acute variety of the fluid property on heat transfer, the correlation of heat

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

HTML PDF Collect

Interfacial heat transfer coefficient between metal and die during high pressure die casting process

GUO Zhipeng, XIONG Shoumei, CHO SangHyun, CHOI JeongKil

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 3,   Pages 283-287 doi: 10.1007/s11465-007-0049-z

Abstract: The present work focused on the determination of the interfacial heat transfer coefficient (IHTC) betweenmetal and die during the high pressure die casting (HPDC) process.The IHTC was successfully determined by solving one of the inverse heat problems using the nonlinear

Keywords： so-called     calculation     inverse     interfacial     aluminum    

HTML PDF Collect

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 reducingpressure drop, eliminating dead zone and lowering the risks of vibration of tube bundle.a 1/4 sector helical baffle have the lowest pressure drop.At = 10° and 20°, 1/4 sector helical baffle heat exchangers show the best integrative performance;at = 30°, 1/4 ellipse and 1/4 sector helical baffle heat exchangers perform almost the same.

Keywords： heat transfer     pressure drop     helical baffle     CFD    

HTML PDF Collect

Flow and heat transfer in compact offset strip fin surfaces

DONG Junqi, CHEN Jiangping, CHEN Zhijiu

Frontiers in Energy 2008, Volume 2, Issue 3,   Pages 291-297 doi: 10.1007/s11708-008-0061-y

Abstract: Experimental studies of air-side heat transfer and pressure drop characteristics of offset strip finsand flat tube heat exchangers were performed.A series of tests were conducted for 9 heat exchangers with different fin space, fi

Keywords： different     air-side     transfer     pressure     offset    

HTML PDF Collect

Transient analysis of thermoelastic contact problem of disk brakes

Ali BELHOCINE, Mostefa BOUCHETARA

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 2,   Pages 150-159 doi: 10.1007/s11465-013-0266-6

Abstract: coupling to determine the deformation established and the Von Mises stresses in the disk, the contact pressure

Keywords： brake disks     heat flux     heat-transfer coefficient     Von Mises stress     contact pressure    

HTML PDF Collect

Optimal Scheduling of Variable-pressure Variable-flow Operation of Inverter-drive Pumps Connected in

Li Hongbin,Zhang Chenghui,Song Jun

Strategic Study of CAE 2001, Volume 3, Issue 9,   Pages 52-57

Abstract:

The paper analyzes common methods for the optimal scheduling modeling problem of variable-pressure

Keywords： optimal scheduling     nonlinear bounded programming     speed regulation of pumps    

HTML PDF Collect

Optimal design analysis of a tubular heat exchanger network with extended surfaces using multi-objective

Hassan HAJABDOLLAHI, Mohammad SHAFIEY DEHAJ, Babak MASOUMPOUR, Mohammad ATAEIZADEH

Frontiers in Energy 2022, Volume 16, Issue 5,   Pages 862-875 doi: 10.1007/s11708-022-0839-3

Abstract: investigate the influence of extended surfaces (fins) on the multi-objective optimization of a tubular heatAn increase in the heat transfer area using various extended surfaces (fins) to enhance the performanceof the heat exchanger was used while considering the effectiveness and total heat transfer area as twoTubular heat exchanger network design parameters were chosen as optimization variables, and optimizationIn order to optimize the heat exchanger, the heat transfer rate and cold fluid temperature must increase

Keywords： constructal theory     extended surface     effectiveness     total heat transfer area     multi-objective optimization    

HTML PDF Collect

Entropy flow, entropy generation, exergy flux, and optimal absorbing temperature in radiative transfer

Zeshao CHEN, Songping MO, Peng HU, Shouli JIANG, Gang WANG, Xiaofang CHENG,

Frontiers in Energy 2010, Volume 4, Issue 3,   Pages 301-305 doi: 10.1007/s11708-010-0006-0

Abstract: Taking nonequilibrium radiative heat transfer between two surfaces as an example, the nonequilibriumThe formulas of entropy flow, entropy generation, exergy flux, and optimal temperature of absorbing surfaceanalysis and optimization of solar energy utilization and can be applied in more complex radiative heat

Keywords： radiative heat transfer     entropy generation     exergy     thermodynamics    

HTML PDF Collect

Convective heat transfer in helical coils for constant-property and variable-property flows with high

Yufei MAO, Liejin GUO, Bofeng BAI, Ximin ZHANG

Frontiers in Energy 2010, Volume 4, Issue 4,   Pages 546-552 doi: 10.1007/s11708-010-0116-8

Abstract: Forced convection heat transfer of single-phase water in helical coils was experimentally studied.Both constant-property flows at normal pressure and variable-property flows at supercritical pressureThe contribution of secondary flow in the helical coil to heat transfer was gradually suppressed withHence, heat transfer coefficients of the helical tube were close to those of the straight tube underBased on the experimental data, heat transfer correlations for both incompressible flows and supercritical

Keywords： convective heat transfer     helical coils     high Reynolds number     supercritical pressure     variable property    

HTML PDF Collect

Separation of

Wei Hou, Qingjun Zhang, Aiwu Zeng

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 5,   Pages 1169-1184 doi: 10.1007/s11705-020-2018-6

Abstract: In this study, vapor recompression and heat integration assisted distillation arrangements with eitherthe low or high pressure in the reflux drum are proposed to reduce and/or eliminate the applicationThe high-pressure arrangement with vapor recompression and heat integration is the most attractive amongFurthermore, exergy destruction in each component is calculated for the heat integration configurationsefficiency compared to the low-pressure case.

Keywords： n-heptane/isobutanol     vapor recompression     heat integration     low and/or high-pressure options    

HTML PDF Collect

Optimal ratio of bend channel in centrifugal compressor

WEN Suping, HU Xiaowen, LI Tingbin, ZHANG Yong, WANG Jun

Frontiers in Energy 2008, Volume 2, Issue 4,   Pages 381-385 doi: 10.1007/s11708-008-0084-4

Abstract: The results indicate that there is an optimal ratio for increasing the stage efficiency to the highestThe prime reason for the total pressure loss in the bend channel is the wall friction in the bend channel

Keywords： specific compressor     different     centrifugal compressor     pressure     impeller    

HTML PDF Collect

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    

HTML PDF Collect

Performance evaluation of an improved biomass-fired cogeneration system simultaneously using extraction steam, cooling water, and feedwater for heating

Frontiers in Energy 2022, Volume 16, Issue 2,   Pages 321-335 doi: 10.1007/s11708-021-0741-4

Abstract: In place of the traditional single heat source (extraction steam), the extraction steam from the turbine, the cooling water from the plant condenser, and the low-pressure feedwater from the feedwater preheatingsystem were collectively used for producing district heat in the new scheme.

Keywords： biomass-fired cogeneration     district heat production system     absorption heat pump     extraction steam     cooling water     low-pressure feedwater    

HTML PDF Collect

Title Author Date Type Operation

Simulation of the optimal heat rejection pressure for transcritical CO

Junlan YANG, Yitai MA, Minxia LI, Hua TIAN

Journal Article

Numerical investigation and optimal design of fiber Bragg grating based wind pressure sensor

Xiangjie WANG, Danhui DAN, Rong XIAO, Xingfei YAN

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

Interfacial heat transfer coefficient between metal and die during high pressure die casting process

GUO Zhipeng, XIONG Shoumei, CHO SangHyun, CHOI JeongKil

Journal Article

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

Minhua ZHANG,Fang MENG,Zhongfeng GENG

Journal Article

Flow and heat transfer in compact offset strip fin surfaces

DONG Junqi, CHEN Jiangping, CHEN Zhijiu

Journal Article

Transient analysis of thermoelastic contact problem of disk brakes

Ali BELHOCINE, Mostefa BOUCHETARA

Journal Article

Optimal Scheduling of Variable-pressure Variable-flow Operation of Inverter-drive Pumps Connected in

Li Hongbin,Zhang Chenghui,Song Jun

Journal Article

Optimal design analysis of a tubular heat exchanger network with extended surfaces using multi-objective

Hassan HAJABDOLLAHI, Mohammad SHAFIEY DEHAJ, Babak MASOUMPOUR, Mohammad ATAEIZADEH

Journal Article

Entropy flow, entropy generation, exergy flux, and optimal absorbing temperature in radiative transfer

Zeshao CHEN, Songping MO, Peng HU, Shouli JIANG, Gang WANG, Xiaofang CHENG,

Journal Article

Convective heat transfer in helical coils for constant-property and variable-property flows with high

Yufei MAO, Liejin GUO, Bofeng BAI, Ximin ZHANG

Journal Article

Separation of

Wei Hou, Qingjun Zhang, Aiwu Zeng

Journal Article

Optimal ratio of bend channel in centrifugal compressor

WEN Suping, HU Xiaowen, LI Tingbin, ZHANG Yong, WANG Jun

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

Performance evaluation of an improved biomass-fired cogeneration system simultaneously using extraction steam, cooling water, and feedwater for heating

Journal Article