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学者姓名:何茂刚

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< Page ,Total 30 >
Mutual diffusion coefficients of 3–methyl–1–butanol + n–heptane and 2–methyl–1–butanol + n–heptane from 288.15 K to 318.15 K EI Scopus SCIE
期刊论文 | 2019 , 131 , 97-103 | Journal of Chemical Thermodynamics
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Abstract :

© 2018 Elsevier Ltd The mutual diffusion coefficients of binary mixtures, 3–methyl–1–butanol + n–heptane and 2–methyl–1–butanol + n–heptane, were measured over the mass fraction from 0.05 to 0.95 at temperatures T = 288.15 K, 298.15 K, 308.15 K and 318.15 K under atmospheric pressure. A digital holographic interferometry system was employed for the measurements and its expanded relative uncertainty of mutual diffusion coefficients was estimated to be less than 2.4%. The influences of temperature and composition on the mutual diffusion coefficients were investigated. Furthermore, the correlations of the mutual diffusion coefficients were fitted to the experimental data as functions of the mass fraction and temperature. The correlations represent the data with the absolute average of relative deviations (AARDs) of 0.88% for 3–methyl–1–butanol + n–heptane and 0.89% for 2–methyl–1–butanol + n–heptane, respectively.

Keyword :

2-Methyl-1-butanol 3-Methyl-1-butanol Mutual diffusion coefficient n-Heptane

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GB/T 7714 Zhang, Ying , Zhan, Taotao , Chen, Junshuai et al. Mutual diffusion coefficients of 3–methyl–1–butanol + n–heptane and 2–methyl–1–butanol + n–heptane from 288.15 K to 318.15 K [J]. | Journal of Chemical Thermodynamics , 2019 , 131 : 97-103 .
MLA Zhang, Ying et al. "Mutual diffusion coefficients of 3–methyl–1–butanol + n–heptane and 2–methyl–1–butanol + n–heptane from 288.15 K to 318.15 K" . | Journal of Chemical Thermodynamics 131 (2019) : 97-103 .
APA Zhang, Ying , Zhan, Taotao , Chen, Junshuai , He, Maogang . Mutual diffusion coefficients of 3–methyl–1–butanol + n–heptane and 2–methyl–1–butanol + n–heptane from 288.15 K to 318.15 K . | Journal of Chemical Thermodynamics , 2019 , 131 , 97-103 .
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Speed of Sound Measurement in 1-Methoxy-2-propanol from (306.81 to 648.29) K and up to 10 MPa EI SCIE
期刊论文 | 2019 , 64 (1) , 337-344 | Journal of Chemical and Engineering Data
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Abstract :

1-Methoxy-2-propanol (PGMME) is widely used as an oxygenated additive for diesel fuel. Experimental speed of sound data for PGMME are very scarce. Therefore, the speed of sound in PGMME was measured by the Brillouin light scattering (BLS) method in the temperature range from (306.81 to 648.29) K and pressures up to 10 MPa, including saturated liquid/vapor, liquid, and near-critical and supercritical fluid states. The relative expanded uncertainty (k = 2) of our BLS experimental system is estimated to be less than 1.4%. The variation of the speed of sound with the temperature and pressure is illustrated. Moreover, correlations for experimental speeds of sound in the saturated liquid/vapor and liquid are presented. The correlations represent the experimental data with average absolute deviations of 0.24% for the saturated liquid, 0.19% for the saturated vapor, and 0.36% for the liquid region. © 2018 American Chemical Society.

Keyword :

1-methoxy-2-propanol Average absolute deviation Brillouin light scattering Experimental system Oxygenated additive Saturated liquid Temperature and pressures Temperature range

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GB/T 7714 Zhang, Ying , Zhan, Taotao , Chen, Junshuai et al. Speed of Sound Measurement in 1-Methoxy-2-propanol from (306.81 to 648.29) K and up to 10 MPa [J]. | Journal of Chemical and Engineering Data , 2019 , 64 (1) : 337-344 .
MLA Zhang, Ying et al. "Speed of Sound Measurement in 1-Methoxy-2-propanol from (306.81 to 648.29) K and up to 10 MPa" . | Journal of Chemical and Engineering Data 64 . 1 (2019) : 337-344 .
APA Zhang, Ying , Zhan, Taotao , Chen, Junshuai , Chen, Yutian , He, Maogang . Speed of Sound Measurement in 1-Methoxy-2-propanol from (306.81 to 648.29) K and up to 10 MPa . | Journal of Chemical and Engineering Data , 2019 , 64 (1) , 337-344 .
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Dynamical structure factor of complex plasmas for varying wave vectors SCIE
期刊论文 | 2019 , 26 (2) | PHYSICS OF PLASMAS
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The dynamical structure factor has been reported for three dimensional strongly coupled Yukawa liquids (SCYLs) through state-of-the-art equilibrium molecular dynamics (EMD) simulations in a microcanonical ensemble (NVE). The effects of varying wave vectors (k = 2 pi/L) have been computed along with different arrangements of Coulomb coupling (Gamma) and the Debye screening parameter (kappa) on the dynamical structure-factor S(k, omega) using EMD simulations. Our new investigations of S(k, omega) show that the amplitude of oscillation decreases and the frequency increases with increasing Gamma, respectively, for the SCYLs. Our simulations show that the decreasing behavior is noted for the frequency of plasma S(k, omega) with increasing kappa and system size (N). The obtained EMD results are found to be more efficient and accurate than that of various previous simulation data, and the present EMD approach gives more satisfactory results with appropriate system sizes at high values of k, for a wide range of plasma states (Gamma, kappa). It has been shown that the present density S(k, omega) of SCYLs fluctuates more at intermediate to high Coulomb couplings (average to lower system temperature 1/Gamma) and low values of Debye screening; however, it less fluctuates at higher N and kappa. Published under license by AIP Publishing.

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GB/T 7714 Shahzad, Aamir , Shakoori, Muhammad Asif , He, Mao-Gang et al. Dynamical structure factor of complex plasmas for varying wave vectors [J]. | PHYSICS OF PLASMAS , 2019 , 26 (2) .
MLA Shahzad, Aamir et al. "Dynamical structure factor of complex plasmas for varying wave vectors" . | PHYSICS OF PLASMAS 26 . 2 (2019) .
APA Shahzad, Aamir , Shakoori, Muhammad Asif , He, Mao-Gang , Yang, Fang . Dynamical structure factor of complex plasmas for varying wave vectors . | PHYSICS OF PLASMAS , 2019 , 26 (2) .
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Thermodynamic evaluation and optimization of the (LiCl plus NaCl plus KCl + MgCl2 + CaCl2 + CeCl3) system SCIE
期刊论文 | 2019 , 487 , 83-97 | FLUID PHASE EQUILIBRIA
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Abstract :

A complete critical evaluation of all available phase diagram and thermodynamic data has been performed for all condensed phases of the (LiCl + NaCl + KCl + MgCl2 + CaCl2 + CeCl3) system, and optimized model parameters have been found. The (LiCl + NaCl + KCl + MgCl2 + CaCl2) subsystem has been critically evaluated in a previous article. The model parameters obtained for the binary and ternary subsystems can be used to predict thermodynamic properties and phase equilibria for the multicomponent system. The Modified Quasichemical Model for short-range ordering was used for the molten salt phase, and the Compound Energy Formalism was used for the various solid solutions. (C) 2018 Elsevier B.V. All rights reserved.

Keyword :

Cerium chloride Thermodynamic modeling Thermodynamic database Molten chlorides

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GB/T 7714 Lu, Guangxuan , Robelin, Christian , Chartrand, Patrice et al. Thermodynamic evaluation and optimization of the (LiCl plus NaCl plus KCl + MgCl2 + CaCl2 + CeCl3) system [J]. | FLUID PHASE EQUILIBRIA , 2019 , 487 : 83-97 .
MLA Lu, Guangxuan et al. "Thermodynamic evaluation and optimization of the (LiCl plus NaCl plus KCl + MgCl2 + CaCl2 + CeCl3) system" . | FLUID PHASE EQUILIBRIA 487 (2019) : 83-97 .
APA Lu, Guangxuan , Robelin, Christian , Chartrand, Patrice , He, Maogang , Wang, Kun . Thermodynamic evaluation and optimization of the (LiCl plus NaCl plus KCl + MgCl2 + CaCl2 + CeCl3) system . | FLUID PHASE EQUILIBRIA , 2019 , 487 , 83-97 .
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A new thermodynamic cycle of heat pump relying on excess enthalpy changing SCIE
期刊论文 | 2019 , 150 , 605-611 | APPLIED THERMAL ENGINEERING
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Abstract :

To improve the efficiency of absorption heat pump, a new thermodynamic cycle mainly dependent on excess enthalpy of the solution was proposed in this paper. CO2 and 1-butyl-3-methylimidazolium hexafluorophosphate ([BMIM][EPF6]) were chosen as the working pair to verify it. The new system does not require high temperature heat resource, and can be driven by a solution pump. Due to the trans-critical cycle, the heat is produced not only isothermally but also at higher temperature, more than 120 degrees C. It has a prominent coefficient of performance, over 2, when the temperature of heat absorbing and generating set at 290 K and 400 K, respectively. Meanwhile, new system is more compact compared with the vapor compression heat pumps of R1234yf, R1234ze(E), R227ea or R245fa.

Keyword :

Heat pump High COP New thermodynamic cycle

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GB/T 7714 Bai, Lihang , Liu, Xiangyang , He, Maogang . A new thermodynamic cycle of heat pump relying on excess enthalpy changing [J]. | APPLIED THERMAL ENGINEERING , 2019 , 150 : 605-611 .
MLA Bai, Lihang et al. "A new thermodynamic cycle of heat pump relying on excess enthalpy changing" . | APPLIED THERMAL ENGINEERING 150 (2019) : 605-611 .
APA Bai, Lihang , Liu, Xiangyang , He, Maogang . A new thermodynamic cycle of heat pump relying on excess enthalpy changing . | APPLIED THERMAL ENGINEERING , 2019 , 150 , 605-611 .
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Viscosity of oxygenated fuel: A model based on Eyring's absolute rate theory EI SCIE
期刊论文 | 2019 , 241 , 218-226 | Fuel
WoS CC Cited Count: 1
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Abstract :

A viscosity model was proposed for oxygenated fuel components; it was based on Eyring's absolute rate theory and a cubic equation of state Soave-Redlich-Kwong. The viscosity was associated with flow energy which could be divided into the activation energy and the vacancy-formation energy, and then a reference state for simplifying the calculation process was introduced in the present model. This work also reported a viscosity database at temperatures from 243.15 K to 413.15 K and pressures up to 200 MPa for 31 oxygenated fuel components containing alcohols, esters and ethers in order to verify the proposed model. The average absolute relative deviations between calculated and experimental data were lower than 2.37%. Furthermore, the free-volume model, which has a similar consideration of flow energy with this work, was chosen to further investigate the performance of the present model, and in general, the present model showed a better accuracy than the free-volume model. Finally, it was shown that the proposed model could be extended to the mixtures successfully. © 2018 Elsevier Ltd

Keyword :

Average absolute relative deviations Calculation process Cubic equation of state Eyring's absolute rate theory Flow energy Free volume models Oxygenated fuel Vacancy formation energies

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GB/T 7714 Zhu, Chenyang , Yang, Feng , Liu, Xiangyang et al. Viscosity of oxygenated fuel: A model based on Eyring's absolute rate theory [J]. | Fuel , 2019 , 241 : 218-226 .
MLA Zhu, Chenyang et al. "Viscosity of oxygenated fuel: A model based on Eyring's absolute rate theory" . | Fuel 241 (2019) : 218-226 .
APA Zhu, Chenyang , Yang, Feng , Liu, Xiangyang , Afzal, Waheed , He, Maogang . Viscosity of oxygenated fuel: A model based on Eyring's absolute rate theory . | Fuel , 2019 , 241 , 218-226 .
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Performance comparison of two absorption-compression hybrid refrigeration systems using R1234yf/ionic liquid as working pair EI SCIE
期刊论文 | 2019 , 181 , 319-330 | Energy Conversion and Management
WoS CC Cited Count: 7
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Abstract :

R1234yf (2,3,3,3-tetrafluoroprop-1-ene)/ionic liquid is a kind of environment-friendly working pair, which can overcome the disadvantages of H2O/LiBr and NH3/H2O. In this work, three new working pairs R1234yf/[HMIM][TfO], R1234yf/[HMIM][PF6], R1234yf/[HMIM][BF4] were proposed and new solubility data for them were determined. Two new absorption-compression hybrid refrigeration systems were proposed to improve the cooling performances of the single-effect absorption refrigeration system using R1234yf/[HMIM][TfO], R1234yf/[HMIM][PF6] and R1234yf/[HMIM][BF4] as working pair. The effects of compressor position, compression ratio (r), generation temperature (Tg), evaporation temperature (Te), condensation temperature (Tc) and absorption temperature (Ta) on the coefficient of performance (COP) and circulation ratio (f) were analyzed. Comparison result shows that the two systems can effectively improve the cooling performance of the single-effect absorption refrigeration system including increasing COP, reducing the heat load of condenser and f, and enlarge the operation range of Tg, Ta, and Te. Putting compressor between evaporator and absorber is a better choice than putting it between generator and condenser. R1234yf/[HMIM][TfO] shows better cooling performance than R1234yf/[HMIM][PF6] and R1234yf/[HMIM][BF4] due to its favorable thermophysical properties. © 2018 Elsevier Ltd

Keyword :

Absorption refrigeration system Absorption temperature Absorption-compression Circulation ratio Coefficient of Performance Condensation temperature Evaporation temperature Generation temperature

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GB/T 7714 Liu, Xiangyang , Ye, Zheng , Bai, Lihang et al. Performance comparison of two absorption-compression hybrid refrigeration systems using R1234yf/ionic liquid as working pair [J]. | Energy Conversion and Management , 2019 , 181 : 319-330 .
MLA Liu, Xiangyang et al. "Performance comparison of two absorption-compression hybrid refrigeration systems using R1234yf/ionic liquid as working pair" . | Energy Conversion and Management 181 (2019) : 319-330 .
APA Liu, Xiangyang , Ye, Zheng , Bai, Lihang , He, Maogang . Performance comparison of two absorption-compression hybrid refrigeration systems using R1234yf/ionic liquid as working pair . | Energy Conversion and Management , 2019 , 181 , 319-330 .
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Experimental and correlational study of isobaric molar heat capacities of fatty acid esters: Ethyl nonanoate and ethyl dodecanoate EI Scopus SCIE
期刊论文 | 2019 , 479 , 47-51 | Fluid Phase Equilibria
WoS CC Cited Count: 9 SCOPUS Cited Count: 10
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Abstract :

An experimental study on the isobaric molar heat capacities of ethyl nonanoate and ethyl dodecanoate was performed at temperatures between 303 K and 393 K and at pressures between 0.1 MPa and 25.2 MPa. An increase of isobaric molar heat capacity with temperature increase was observed, and temperature was found to have a greater effect on isobaric molar heat capacity than pressure. Then the isobaric molar heat capacity data of 18 saturated fatty acid methyl and ethyl esters in literature were selected, to get a general correlation for the isobaric molar heat capacity of saturated fatty acid alkyl esters. The average absolute relative deviation and the maximum deviation of the present correlation from experimental data are lower than 0.70% and 3.82%, respectively. At last, to test the predictive ability of the proposed correlation, the heat capacities of ethyl nonanoate and ethyl dodecanoate were calculated. The average absolute relative deviation and the maximum deviation from our experimental results are 0.88% and 2.10%, respectively. © 2018 Elsevier B.V.

Keyword :

Average absolute relative deviations Fatty acid alkyl esters Fatty acid esters Flow method General correlations Isobaric molar heat capacity Predictive abilities Temperature increase

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GB/T 7714 Liu, Xiangyang , Zhu, Chenyang , Yang, Feng et al. Experimental and correlational study of isobaric molar heat capacities of fatty acid esters: Ethyl nonanoate and ethyl dodecanoate [J]. | Fluid Phase Equilibria , 2019 , 479 : 47-51 .
MLA Liu, Xiangyang et al. "Experimental and correlational study of isobaric molar heat capacities of fatty acid esters: Ethyl nonanoate and ethyl dodecanoate" . | Fluid Phase Equilibria 479 (2019) : 47-51 .
APA Liu, Xiangyang , Zhu, Chenyang , Yang, Feng , Su, Chao , He, Maogang . Experimental and correlational study of isobaric molar heat capacities of fatty acid esters: Ethyl nonanoate and ethyl dodecanoate . | Fluid Phase Equilibria , 2019 , 479 , 47-51 .
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Particles Order-disorder in Complex (Yukawa) Fluids Using Molecular Dynamics Simulations EI CPCI-S Scopus
会议论文 | 2018 , 509-512 | 15th International Bhurban Conference on Applied Sciences and Technology (IBCAST)
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The measurements of the particle order-disorder (OD-structures) structures of a complex material based on general numerical experiments using a model pair, Yukawa interaction potential, which approximates real interactions in this material. The results obtained for a complex system (dusty plasmas) with interparticle connections depending on plasma parameters (Gamma, kappa). The particle OD results are calculated through homogenous nonequilibrium molecular dynamics simulations (HNEMD) for a series of various criterions of plasma parameters. In comparison to present results, the size system does not disturb significantly the arrangements of the particle OD but the long-range computation shows alterations toward high (Gamma) by an augmentation of (kappa). It has been shown that the presented approach is an alternative method to employ for computing the long-range alignment in dusty plasmas. It is so much competent for assembly the HNEMD and can be castoff to envisage the OD-structures in complex (Yukawa) fluids.

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GB/T 7714 Shahzad, A. , Haider, S. I. , He, M-G. . Particles Order-disorder in Complex (Yukawa) Fluids Using Molecular Dynamics Simulations [C] . 2018 : 509-512 .
MLA Shahzad, A. et al. "Particles Order-disorder in Complex (Yukawa) Fluids Using Molecular Dynamics Simulations" . (2018) : 509-512 .
APA Shahzad, A. , Haider, S. I. , He, M-G. . Particles Order-disorder in Complex (Yukawa) Fluids Using Molecular Dynamics Simulations . (2018) : 509-512 .
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Thermodynamics analysis on absorption refrigeration system using new working pairs of R227ea + [P(14)666][TMPP], R236fa + [P(14)666][TMPP] and R245fa + [P(14)666][TMPP] Scopus CPCI-S
会议论文 | 2018 , 1984
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© 2018 Author(s). In this paper, the solubilities of 1,1,2,2,3,3,3-heptafluoropropane (R227ea), 1,1,1,3,3,3-hexafluoropropane (R236fa) and 1,1,1,3,3-pentafluoropropane (R245fa) in trihexyltetradecylphosphonium bis(2,4,4-trimethylpentyl)phosphinate ([P(14)666][TMPP]) were correlated with the non-random two-liquid (NRTL) equation with relative mean deviation less than 3.1%, respectively. The thermodynamic performances of the single stage absorption refrigeration systems using R227ea/[P(14)666][TMPP], R236fa/[P(14)666][TMPP] and R245fa/[P(14)666][TMPP] as the working pairs were simulated. When the absorption refrigeration systems has an ideal heat recovery exchanger, R245fa/[P(14)666][TMPP] shows better performances than NH3/H2O while R236fa/[P(14)666][TMPP] and R227ea/[P(14)666][TMPP] can work at much lower generator temperature than NH3/H2O.

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GB/T 7714 He, Maogang , Bai, Lihang , Liu, Siqi et al. Thermodynamics analysis on absorption refrigeration system using new working pairs of R227ea + [P(14)666][TMPP], R236fa + [P(14)666][TMPP] and R245fa + [P(14)666][TMPP] [C] . 2018 .
MLA He, Maogang et al. "Thermodynamics analysis on absorption refrigeration system using new working pairs of R227ea + [P(14)666][TMPP], R236fa + [P(14)666][TMPP] and R245fa + [P(14)666][TMPP]" . (2018) .
APA He, Maogang , Bai, Lihang , Liu, Siqi , Liu, Xiangyang . Thermodynamics analysis on absorption refrigeration system using new working pairs of R227ea + [P(14)666][TMPP], R236fa + [P(14)666][TMPP] and R245fa + [P(14)666][TMPP] . (2018) .
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