Xiangcheng You's research while affiliated with China University of Petroleum - Beijing and other places
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Publications (9)
Hybrid nanofluids have many real-world applications. Research has shown that mixed nanofluids facilitate heat transfer better than nanofluids with one type of nanoparticle. New applications for this type of material include microfluidics, dynamic sealing, and heat dissipation. In this study, we began by placing copper into H2O to prepare a Cu-H2O n...
In this paper, the conservative quantities are used to develop an approximate method to calculate the merged waveform shape of the solitary waves described by modified Korteweg–de Vries (mKdV) equation. With this method, we can efficiently and effectively capture the physics of the complicated merging phenomena when two solitary waves described by...
![Nanoparticles and H 2 O thermophysical properties [40].](publication/369167384/figure/tbl1/AS:11431281126126885@1678545368442/Nanoparticles-and-H-2-O-thermophysical-properties-40_Q320.jpg)
Non-axisymmetric stagnant-point flows for flat plates in porous media containing spherical Cu-Al2O3-H2O nanoparticles are studied using the homotopy analysis method (HAM). The governing equations are transformed into three coupled non-linear ordinary differential equations through similarity transformations. A large degree of freedom is provided by...
This paper studies the impact of shape factor on a mass-based hybrid nanofluid model for Homann stagnation-point flow in porous media. The HAM-based Mathematica package BVPh 2.0 is suitable for determining approximate solutions of coupled nonlinear ordinary differential equations with boundary conditions. This analysis involves discussions of the i...
A non-Darcy flow with moving boundary conditions in a low-permeability reservoir was solved using the homotopy analysis method (HAM), which was converted into a fixed-boundary mathematical model via similarity transformation. Approximate analytical solutions based on the HAM are guaranteed to be more accurate than exact analytical solutions, with r...
![Water and nanoparticle thermophysics [40,41].](publication/362262654/figure/tbl1/AS:1184485068550146@1659414655491/Water-and-nanoparticle-thermophysics-40-41_Q320.jpg)
With the porous medium-filling inclined channels, we investigate the nanoparticle sphericity of Cu-Al2O3-H2O hybrid nanofluid flows. We consider the constant flow rate through the channels as well as the uniform heat flux on wall channels. We provide analytical solutions for both the velocity and temperature fields. Several parameters are considere...
In this paper, a simple, robust, fast and effective method based on the conserved quantities is developed to approximate and analyse the shape, structure and interaction characters of the solitary waves described by the Benjamin–Bona–Mahony (BBM) equation. Due to the invariant character of the conserved quantities, there is no need to solve the rel...
In this paper, a simple, robust, fast and effective method based on the conserved quantities is developed to approximate and analyse the shape, structure and interaction characters of the solitary waves described by the Benjamin-Bona-Mahony (BBM) equation. Due to the invariant character of the conserved quantities, there is no need to solve the rel...
This paper studies the convective heat transfer of a hybrid nanofluid in the inclined channel, whose walls are both heated by the uniform heat flux. The governing ordinary differential equations are made nondimensional and solved analytically, in which explicit distributions of velocity, temperature and pressure are obtained. The effects of flow re...
Citations
... Nanoparticles serve as a valuable link connecting granular substances and atomic/molecular formations. The involvement of heat exchange is significant in the realms of physics and engineering, ultimately enhancing fluids' heat exchange properties and bolstering the efficacy of numerous manufacturing procedures [5][6][7][8]. The investigation of the thermal transfer of MHD nanofluids is significant in the fields of physics and engineering. ...
... This algorithm can be easily implemented using mathematical software such as Mathematica and Maple. Various problems have been solved via HAM such as time-fractional Korteweg-de Vries and Korteweg-de Vries-Burger's equations [13], fluid mechanic problems [14,15], blasius flow equation [16], coupled Lane-Emden-Fowler type equation [17] and the method investigated for finding multiple solutions to boundary value problems [18]. This fusion of mathematical techniques not only expands the realm of solvable problems in fractional calculus, but also provides powerful tools for researchers and practitioners across various scientific disciplines. ...
Reference: Numerical study of fractional phi-4 equation
... Sphericity is the degree close to a sphere of a particle (Li and An, 2023;Zhang and Tahmasebi, 2023;Tophel et al., 2023;. The sphericity of a sphere is equal to 1, and the sphericity of any other shape particle is less than 1, that is, the closer the particle is to the sphere, the closer its sphericity is to 1 (Yao et al., 2022;You, 2022;Rodrigues et al., 2023). Sphericity is the ratio of the surface area of the same volume sphere (S) to the surface area of the particle itself (Sp), which is generally considered to be a shape descriptor for irregular particles (Yang et al., 2019). ...
... Mahmood and Ur-Rehman [20] investigated the existence and propagation characteristics of ion-acoustic KP solitons; Anco and Gandarias [21] discussed Kinematic properties of all of the different types of compactons and solitary waves, along with conservation laws of the generalized KP equation. (2) When γ = α = β = 0, (1) is reduced to the the BBM equation [22]. Chen et al. [23] proved the existence of solitary waves and periodic waves for a generalized BBM equation with KS perturbation with the method of GSP; Buhe and Chaolu [24] used a hybrid approach to obtain the approximate solitary wave solutions of a perturbed BBM equations. ...
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![[object Object]](https://i1.rgstatic.net/ii/profile.image/614111738085383-1523427056489_Q64/Qiang-Sun-24.jpg)
... Muhaimin et al. [6] performed an excellent study of natural convective boundary layer flow, heat, and mass transfer of a fluid with temperature dependent viscosity, chemical reaction, and thermal radiation over a vertical extending surface in the presence of suction are explored via scaling transformation analysis. A detailed study on convective heat transfer on a hybrid nanofluid on an inclined channel was done by You and Li [7]. Linear stratification of not just the heat energy but also the stratified concentration is shown in this article [8]. ...
