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High-efficiency inspecting method for mobile robots based on task planning for heat transfer tubes in

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 2, doi: 10.1007/s11465-022-0741-z

Abstract: Many heat transfer tubes are distributed on the tube plates of a steam generator that requires periodicpaper introduces the structure and control system of a dexterous robot and proposes a task planning methodThis method proceeds into three steps: task allocation, base position search, and sequence planning.To allocate the task regions, this method calculates the tool work matrix and proposes a criterion toThe results show that the proposed method can accomplish full task coverage with few repetitive or redundant

Keywords： steam generator transfer tubes     mobile robot     dexterous structure     task planning     efficient inspection    

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A new heat transfer correlation for supercritical fluids

Yanhua YANG, Xu CHENG, Shanfang HUANG

Frontiers in Energy 2009, Volume 3, Issue 2,   Pages 226-232 doi: 10.1007/s11708-009-0022-0

Abstract: A new method of heat transfer prediction in supercritical fluids is presented.Assessment of qualitative behaviour of heat transfer is conducted based on existing test data and experience, a single dimensionless number, the acceleration number, is introduced to correct the deviation of heatThe new correlation structure excludes direct dependence of heat transfer coefficient on wall surfaceand is highly required for the selection of both the dimensionless parameters implemented into the heat

Keywords： super critical fluids     heat transfer     circular tubes     prediction method    

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Numerical simulation of the heat flux distribution in a solar cavity receiver

Yueshe WANG, Xunwei DONG, Jinjia WEI, Hui JIN

Frontiers in Energy 2011, Volume 5, Issue 1,   Pages 98-103 doi: 10.1007/s11708-010-0019-8

Abstract: In the design of the receiver, the heat flux distribution in the cavity should be considered first.In this study, a numerical simulation using the Monte Carlo Method has been conducted on the heat fluxBy tracing every solar ray, the distribution of heat flux density in the cavity receiver was obtainedWhen the reradiation from walls was considered, the detailed heat flux distributions were issued, inRegarding the peak heat flux, the value of up to 1196.406 kW/m was obtained in the center of absorbing

Keywords： solar cavity receiver     Monte Carlo method     heat flux distribution    

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Significant progress in solution of nonlinear equations at displacement of structure and heat transfer

M. R. AKBARI,D. D. GANJI,M. NIMAFAR,A. R. AHMADI

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 4,   Pages 390-401 doi: 10.1007/s11465-014-0313-y

Abstract: Static analysis of the structure with variable cross section areas and materials with slope-deflection method; 2) the problem of one dimensional heat transfer with a logarithmic various surface A(x) anda logarithmic various heat generation G(x) with a simple and innovative approach entitled“Akbari-Ganji’s method” (AGM).Comparisons are made between AGM and numerical method, the results of which reveal that this method is

Keywords： AGM     extended surface     heat transfer     slope-deflection method    

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Absorption heat pump for waste heat reuse: current states and future development

Zhenyuan XU, Ruzhu WANG

Frontiers in Energy 2017, Volume 11, Issue 4,   Pages 414-436 doi: 10.1007/s11708-017-0507-1

Abstract: In this paper, three important aspects for absorption heat pump for waste heat reuse are reviewed.In the first part, different absorption heat pump cycles are classified and introduced.Absorption heat pumps for heat amplification and absorption heat transformer for temperature upgradingIn the third part, the applications of the absorption heat pump and absorption heat transformer for wasteheat reuse in different industries are introduced.

Keywords： absorption     heat pump     heat transformer     waste heat     working pair    

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Effects of radiation and heat source/sink on unsteady MHD boundary layer flow and heat transfer over

Krishnendu Bhattacharyya

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 3,   Pages 376-384 doi: 10.1007/s11705-011-1121-0

Abstract: In this paper, an investigation is made to study the effects of radiation and heat source/sink on theunsteady boundary layer flow and heat transfer past a shrinking sheet with suction/injection.the velocity and temperature fields are obtained, and then solved numerically by finite difference methodparameter, but it increases with heat source parameter.heat transfer.

Keywords： MHD boundary layer     unsteady flow     heat transfer     thermal radiation     heat source/sink     shrinking sheet     suction    

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Heat-spreading analysis of a heat sink base embedded with a heat pipe

B. V. BORGMEYER, H. B. MA,

Frontiers in Energy 2010, Volume 4, Issue 2,   Pages 143-148 doi: 10.1007/s11708-010-0013-1

Abstract: A simplified model predicting the heat transfer performance of a heat sink base with a high thermal conductivityas the base embedded with a typical heat pipe, the entire heat sink can be modeled as a flat plate witha uniform temperature and an effective convection heat transfer coefficient.This simplified model can be used to determine the heat transfer performance of a heat sink embeddedwith a typical heat pipe or vapor chamber.

Keywords： heat pipe     heat sink     microprocessor heat removal    

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Application of entransy dissipation theory in heat convection

Mingtian XU, Jiangfeng GUO, Lin CHENG,

Frontiers in Energy 2009, Volume 3, Issue 4,   Pages 402-405 doi: 10.1007/s11708-009-0055-4

Abstract: work, formulas for calculating the rates of the local thermodynamic entransy dissipation in convective heat

Keywords： entransy dissipation     heat convection     heat exchanger    

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Experimental investigation of liquid metal alloy based mini-channel heat exchanger for high power electronic

Manli LUO, Jing LIU

Frontiers in Energy 2013, Volume 7, Issue 4,   Pages 479-486 doi: 10.1007/s11708-013-0277-3

Abstract: for developing efficient techniques for cooling integrated electronic devices with ever increasing heatTo better tackle the high-density heat dissipation difficulty within the limited space, this paper isdedicated to clarify the heat transfer behaviors of the liquid metal flowing in mini-channel exchangersThe simulated heat sources were all cooled down by these three heat dissipation apparatuses and the exchangerconditions due to its much larger heat transfer area.

Keywords： heat exchanger     liquid metal     mini-channel     heat dissipation     heat transfer coefficient    

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Analysis of flow and heat transfer characteristics of porous heat-storage wall in greenhouse

OUYANG Li, LIU Wei

Frontiers in Energy 2008, Volume 2, Issue 4,   Pages 406-409 doi: 10.1007/s11708-008-0094-2

Abstract: The flow and heat transfer characteristics of porous heat-storage wall in greenhouse are studied by usingThe results show that the heat exchange between the air and the solid matrix of the porous heat-storageBecause the incidence of solar radiation on the porous heat-storage wall is not uniform, the new composite

Keywords： incidence     thermal conductivity     heat-storage     exchange     composite    

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Major applications of heat pipe and its advances coupled with sorption system: a review

Yang YU, Guoliang AN, Liwei WANG

Frontiers in Energy 2019, Volume 13, Issue 1,   Pages 172-184 doi: 10.1007/s11708-019-0610-6

Abstract: Heat pipe utilizes continuous phase change process within a small temperature drop to achieve high thermalIn addition to some typical applications of thermal control and heat recovery, the heat pipe technologycombined with the sorption technology could efficiently improve the heat and mass transfer performancepipe technology for continuous heat transfer.and the advances in heat pipe type sorption system.

Keywords： heat pipe     sorption system     heat transfer     solid sorption heat pipe    

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Characteristics of flow and heat transfer of shell-and-tube heat exchangers with overlapped helical baffles

Tingting DU, Wenjing DU

Frontiers of Engineering Management 2019, Volume 6, Issue 1,   Pages 70-77 doi: 10.1007/s42524-019-0005-8

Abstract:

The characteristics of flow and heat transfer of shell-and-tube heat exchangers with overlapped helicalIn a fully developed section, the distribution of velocity and wall heat transfer coefficient has a similarMoreover, the back flow enhances the local heat transfer and causes the ascent of flow resistance.

Keywords： heat exchanger     overlapped helical baffle     triangular zone     helical flow    

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Augmentation of natural convective heat transfer by acoustic cavitation

Jun CAI, Xiulan HUAI, Shiqiang LIANG, Xunfeng LI,

Frontiers in Energy 2010, Volume 4, Issue 3,   Pages 313-318 doi: 10.1007/s11708-009-0064-3

Abstract: experimental study was conducted to investigate the effects of acoustic cavitation on natural convective heatThe experimental results indicated that heat transfer could be enhanced by acoustic cavitation and hadThe augmentation at low heat flux was better than that in the case of high heat flux.

Keywords： heat transfer enhancement     augmentation     acoustic cavitation     acoustic streaming     convective heat transfer    

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Effect of variable heat capacities on performance of an irreversible Miller heat engine

Xingmei YE

Frontiers in Energy 2012, Volume 6, Issue 3,   Pages 280-284 doi: 10.1007/s11708-012-0203-0

Abstract: Based on the variable heat capacities of the working fluid, the irreversibility coming from the compressionand expansion processes, and the heat leak losses through the cylinder wall, an irreversible cycle modelof the Miller heat engine was established, from which expressions for the efficiency and work outputMoreover, the influence of the compression and expansion efficiencies, the variable heat capacities andthe heat leak losses on the performance of the cycle was discussed in detail, and consequently, some

Keywords： Miller cycle     variable heat capacity     irreversibility     parametric optimization    

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Numerical simulation and experimental research on heat transfer and flow resistance characteristics ofasymmetric plate heat exchangers

Shaozhi ZHANG, Xiao NIU, Yang LI, Guangming CHEN, Xiangguo XU

Frontiers in Energy 2020, Volume 14, Issue 2,   Pages 267-282 doi: 10.1007/s11708-020-0662-7

Abstract: The asymmetric plate heat exchanger (APHE) has the possibility of achieving balanced pressure drops onboth hot and cold sides for situations with unbalanced flow, which may in turn enhance the heat transferIn this paper, the single-phase water flow and heat transfer of an APHE consisted of two types of platesIt is found that an optimal exists where the pressure drops are balanced and the heat transfer areaThe comparison between heat transfer and flow characteristics of the APHEs and the conventional plate

Keywords： plate heat exchanger     asymmetric     simulation     correlation     heat transfer enhancement    

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Title Author Date Type Operation

High-efficiency inspecting method for mobile robots based on task planning for heat transfer tubes in

Journal Article

A new heat transfer correlation for supercritical fluids

Yanhua YANG, Xu CHENG, Shanfang HUANG

Journal Article

Numerical simulation of the heat flux distribution in a solar cavity receiver

Yueshe WANG, Xunwei DONG, Jinjia WEI, Hui JIN

Journal Article

Significant progress in solution of nonlinear equations at displacement of structure and heat transfer

M. R. AKBARI,D. D. GANJI,M. NIMAFAR,A. R. AHMADI

Journal Article

Absorption heat pump for waste heat reuse: current states and future development

Zhenyuan XU, Ruzhu WANG

Journal Article

Effects of radiation and heat source/sink on unsteady MHD boundary layer flow and heat transfer over

Krishnendu Bhattacharyya

Journal Article

Heat-spreading analysis of a heat sink base embedded with a heat pipe

B. V. BORGMEYER, H. B. MA,

Journal Article

Application of entransy dissipation theory in heat convection

Mingtian XU, Jiangfeng GUO, Lin CHENG,

Journal Article

Experimental investigation of liquid metal alloy based mini-channel heat exchanger for high power electronic

Manli LUO, Jing LIU

Journal Article

Analysis of flow and heat transfer characteristics of porous heat-storage wall in greenhouse

OUYANG Li, LIU Wei

Journal Article

Major applications of heat pipe and its advances coupled with sorption system: a review

Yang YU, Guoliang AN, Liwei WANG

Journal Article

Characteristics of flow and heat transfer of shell-and-tube heat exchangers with overlapped helical baffles

Tingting DU, Wenjing DU

Journal Article

Augmentation of natural convective heat transfer by acoustic cavitation

Jun CAI, Xiulan HUAI, Shiqiang LIANG, Xunfeng LI,

Journal Article

Effect of variable heat capacities on performance of an irreversible Miller heat engine

Xingmei YE

Journal Article

Numerical simulation and experimental research on heat transfer and flow resistance characteristics ofasymmetric plate heat exchangers

Shaozhi ZHANG, Xiao NIU, Yang LI, Guangming CHEN, Xiangguo XU

Journal Article