Propulsion and Power Research最新文献

{"title":"A computational review of various inter-facial forces in fully developed multiphase fluid under different flow patterns in vertical column","authors":"Faisal Shah,&nbsp;Desheng Zhang,&nbsp;Linlin Geng","doi":"10.1016/j.jppr.2025.02.007","DOIUrl":"10.1016/j.jppr.2025.02.007","url":null,"abstract":"<div><div>The main contribution of this work is a comprehensive overview of the many years of research on various inter-facial forces with distinct flow structure transitions in liquid-gas multiphase flow in vertical columns. Injecting a gas phase into a liquid phase result in a fluid dynamic phenomenology that is substantial, magnetizing, and fascinating. Bubble columns modelling functioning in the bubbly, slug, churn, and annular turbulent flow regime is a major challenge due to their complicated and ephemeral nature. An important modelling choice is how to represent the bubble size distribution. This may be accomplished in several ways, from the relatively simple one of utilizing a single representative bubble size to more intricate techniques. To evaluate the computational findings, we have analysed and discussed several turbulence models in this comparative research. Furthermore, this review summarises the current inter-facial force models, which include turbulent dispersion force, lift force, drag force, wall lubrication force, and virtual mass force. The models of Grace, Tomiyama, Zuber, Antel, Legendre, Burns, and Naumann universal Hosokawa are used, respectively.</div></div>","PeriodicalId":51341,"journal":{"name":"Propulsion and Power Research","volume":"14 1","pages":"Pages 76-92"},"PeriodicalIF":5.4,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143799463","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Component matching optimization of high-performance turbofan engine based on experiment test and adaptive performance model to control the average gas temperature","authors":"Ronghui Cheng ,&nbsp;Zhishu Zhang ,&nbsp;Linyuan Jia ,&nbsp;Xuedong Zhang ,&nbsp;Longlong Yang","doi":"10.1016/j.jppr.2025.02.001","DOIUrl":"10.1016/j.jppr.2025.02.001","url":null,"abstract":"<div><div>As the turbine inlet total temperature of the turbofan engine continues to increase, it is key to ensuring the long-term reliability of aeroengines that the components matching effectively to achieve the expected average gas temperature. However, over temperature in turbine inlet is a common challenge in advanced engine development. To solve this problem, this paper proposes a new idea of a component matching optimization method to control average gas temperature. This method couples the optimization method with the adaptive performance model, which is built using accurate component characteristics and internal/external bypass mass flow rate within the engine test. Experiment methods of component characteristics measurement in different operating status under the condition of the whole engine are also developed, which capture the entire characteristics maps rather than the mini maps along the operating line. It also establishes calculation method of the core mass flow rate based on the critical characteristics of the high-pressure turbine. Tests have shown that by applying the component matching optimization method, the turbine inlet average gas temperature of a high-performance twin-spool mixed turbofan engine was reduced by 50 K–60 K under the same thrust, ensuring fulfillment of the performance indexes.</div></div>","PeriodicalId":51341,"journal":{"name":"Propulsion and Power Research","volume":"14 1","pages":"Pages 1-13"},"PeriodicalIF":5.4,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143799462","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Dynamics of omni-directional multi-rotor aerial vehicles, hexacopter as a case study","authors":"A.M. Shafei,&nbsp;M.E. Yousefzadeh","doi":"10.1016/j.jppr.2025.02.004","DOIUrl":"10.1016/j.jppr.2025.02.004","url":null,"abstract":"<div><div>This article presents a general formulation for the mathematical modeling of a specific class of aerial robots known as hexacopters. The mentioned robotic system, which consists of six arms with motors attached to each end, possesses a unique feature: it uses the minimum actuator required to reach a specific position in space with a defined orientation. To achieve this, it is vital to install the motors with an appropriate arrangement positioned at the end of each arm to ensure the robot's controllability. On the other hand, two virtual arms with zero lengths were used to describe the robot's orientation with regard to the inertial coordinate system in a tangible manner. One of the innovations carried out in this article is the standardization of the derivation of the motion equations of this robotic system procedure. For this purpose, first, the platform of the hexacopter is separated into several substructures. Following the previous step, the dynamic equations of each of these infrastructures are extracted in explicit form accordingly. Finally, the symbolic equations are merged, and as a result, the dynamic behavior of this aerial robot is formulated. The focus of this research is mainly on hexacopters. However, the presented method is generic enough to cover all aerial robots of this kind (with any number of arms and any relative arrangement between the members). Lastly, to show the robot's ability to reach a specific position in space with the desired orientation, the results of tracking a relatively complex trajectory by utilizing this robotic system are presented.</div></div>","PeriodicalId":51341,"journal":{"name":"Propulsion and Power Research","volume":"14 1","pages":"Pages 14-34"},"PeriodicalIF":5.4,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143799575","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The stability of double-diffusive convection in an inclined porous channel saturated with nanofluid and influenced by a magnetic field","authors":"D. Srinivasacharya,&nbsp;Nidhi Humnekar","doi":"10.1016/j.jppr.2025.02.009","DOIUrl":"10.1016/j.jppr.2025.02.009","url":null,"abstract":"<div><div>The stability of nanofluid flow in a porous inclined channel with double diffusion and a magnetic field is investigated. The Darcy-Brinkman model is used to characterize fluid flow dynamics in porous medium. The analytical solutions are obtained for the unidirectional and completely developed flow. The perturbed state's generalized eigenvalue problem is obtained using normal mode analysis. This eigenvalue problem is then solved using the spectral method. Key findings indicate that critical wavenumber and critical Rayleigh number, which determine the onset of instability, vary with different parameters. Specifically, an increase in the permeability, Soret parameter, thermo-solutal Lewis number, and Dufour parameter enhances system stability. Conversely, the inclination of the channel contribute to destabilizing the flow. Notably, the flow is most unstable when the channel is oriented vertically.</div></div>","PeriodicalId":51341,"journal":{"name":"Propulsion and Power Research","volume":"14 1","pages":"Pages 148-159"},"PeriodicalIF":5.4,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143799271","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Contribution of entropy analysis on three-dimensional Prandtl model under Hall and ion slip effects with generalized mass and heat fluxes via OHAM","authors":"Sana Akbar ,&nbsp;Muhammad Sohail ,&nbsp;Syed Tehseen Abbas ,&nbsp;Abha Singh","doi":"10.1016/j.jppr.2024.12.001","DOIUrl":"10.1016/j.jppr.2024.12.001","url":null,"abstract":"<div><div>The major concern of proffered study based on the inquisitive analysis of entropy approach based on 3-D Prandtl fluid influenced by modified advanced heat conduction along with mass diffusion models. Moreover, influence of Hall and also slip forces and heat transmission characteristics are featured under the combined outcomes appertaining to radiations and viscous dissipation are taken into account in this investigation. This article also examined the combined impacts of thermal conductivity change together with variable mass diffusion co-efficient within the heat and mass transport in the occurrence of Prandtl fluid. Flow demeanor is examined across the bidirectional extendable sheet. Numerical simulations based on 3-D flow configured by extending surface are carried out by using OHAM. Simulated PDEs expressed as ODEs with the utilization of dimensionless variables. Simulated outcomes are validated graphically obtained by varying values of emerging constraints through previous published results and seen in desirable agreement. The influence of distinct parameters associated with this current study like Brownian and diffusion constraint, temperature and also concentration difference, Eckert number, Hall as well as ion slip parameters, Brinkman number, magnetic constraint, radiation and Prandtl fluid constraint are sketched for temperature, velocity field along <em>xy</em>-axes, concentration and entropy generation rate. It is noticed that velocity distribution along <em>x</em>-axes is an increasing function of magnetic constraint, Prandtl fluid and also elastic constraint whilst contrast impact is seen along <em>y</em>-axes. Moreover, temperature as well as concentration profile decays for Prandtl number, thermal and also concentration relaxation time constraint respectively whereas both profiles enhanced for distinct considered parameters. Entropy declines for ion-slip parameter whilst enhanced for Bejan number. Entropy behavior as well as Bejan number effect under various parameters is sketched graphically and enhanced behavior is depicted for entropy for considered constraint whilst Bejan number enhanced for diffusion parameter and also concentration difference constraint whereas declined behavior demonstrated for other considered parameters. The innovative component in the current study lies in the integration of multiple factors towards the Prandtl fluid model framework, forcing its boundaries beyond widespread conventional applications. Extending the Prandtl fluid model in 3D allows more comprehensive demonstration of the under consideration physical system.</div></div>","PeriodicalId":51341,"journal":{"name":"Propulsion and Power Research","volume":"14 1","pages":"Pages 93-109"},"PeriodicalIF":5.4,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143799267","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Review on the development status and performance deign of adaptive cycle engines","authors":"Min Chen ,&nbsp;Li Deng ,&nbsp;Jiyuan Zhang ,&nbsp;Hailong Tang","doi":"10.1016/j.jppr.2025.02.006","DOIUrl":"10.1016/j.jppr.2025.02.006","url":null,"abstract":"<div><div>The adaptive cycle engine (ACE) is considered a crucial candidate for the propulsion systems of next-generation aircraft. Its high thrust and low fuel consumption operating modes make it suitable for various flight missions. However, the complex couplings and novel components in the ACE pose significant challenges to its performance design. This paper presents a systematic literature review on development status and performance deign of ACEs. Firstly, the development of ACE at various periods over the past few decades is presented. Then, four typical ACE configurations are introduced and analyzed based the differences of the core and the low-pressure compression system. After that, an emphasis is placed on the performance optimization method for ACE under various operating conditions, including steady-state, mode transition, acceleration/deceleration, and considering uncertainties. In addition, the numerical zooming technology for non-rotating components, rotating components, as well as intake and exhaust system are summarized in this paper. Through the above summary and analysis, the development trends in ACE performance design are explored.</div></div>","PeriodicalId":51341,"journal":{"name":"Propulsion and Power Research","volume":"14 1","pages":"Pages 35-63"},"PeriodicalIF":5.4,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143799464","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Heat generation/absorption and bioconvective swirling stagnation point flow impact of magnetized Maxwell nanofluid by a stretchable rotating disk","authors":"Arfan Shahzad ,&nbsp;Muhammad Imran ,&nbsp;Madeeha Tahir ,&nbsp;Shan Ali Khan ,&nbsp;Nehad Ali Shah","doi":"10.1016/j.jppr.2025.02.002","DOIUrl":"10.1016/j.jppr.2025.02.002","url":null,"abstract":"<div><div>The prime focus of this article is to formulate and inspect the mathematical model concerning the bioconvective swirling stagnation point flow of magnetized Maxwell nanofluid in the presence of gyrotactic motile microorganisms through a stretchable rotating disk. For the articulation of the heat transfer process, Fourier's law of heat conduction is implemented by incorporating heat sources and thermal radiation. The flow is further accompanied by the activation energy and solutal boundary conditions. The flow behavior for velocity, thermal, concentration, and microorganisms' volumetric density profiles are discussed in detail. Furthermore, heat and mass fluxes are explored by considering thermophoresis impact and Brownian movement through the Buongiorno model. The governing complicated nonlinear partial differential equations of flow are reduced into dimension-free ordinary differential equations by introducing some appropriate transformation variables. This problem is computed numerically by deploying the bvp4c built-in function in MATLAB. The impacts of concerned flow describing parameters are assessed by utilizing both graphical and tabulated approaches. The results elucidate the flow toward radial and azimuthal directions accelerated by increasing the stretching ratio parameter but decelerated by enlarging the magnetic field parameter. The thermal field strengthens against the increasing thermal radiation parameter, thermophoresis parameter, heat source parameters, and the thermal Biot number. The nanoparticles concentration profile is boosted for increasing magnitudes of thermophoresis number and solutal Biot number while it diminishes for enlarging Brownian movement parameter. The gyrotactic motile microorganisms' profile is downscaled by the Peclet and bioconvection Lewis numbers whereas an adverse tendency is noticed against the microorganism Biot number.</div></div>","PeriodicalId":51341,"journal":{"name":"Propulsion and Power Research","volume":"14 1","pages":"Pages 133-147"},"PeriodicalIF":5.4,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143799270","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Towards understanding thermal management in unsteady boundary layer flow with AC/DC electric fields","authors":"Sara I. Abdelsalam ,&nbsp;Mohamed A. Dagher ,&nbsp;Y. Abd Elmaboud ,&nbsp;A.I. Abdellateef","doi":"10.1016/j.jppr.2025.02.003","DOIUrl":"10.1016/j.jppr.2025.02.003","url":null,"abstract":"<div><div>Unsteady boundary layer flow induced by alternating current (AC) or direct current (DC) electric field through a porous layer is investigated numerically. The finite difference method based on Crank-Nicolson is applied to solve the nonlinear system. The governing equations are built with fractional shear stress and the Cattaneo heat flux model, and time fractional derivatives are computed using the Caputo fractional derivative. The numerical results are presented to demonstrate the effects of varying parameters on momentum and thermal boundary layer. The results reveal that the time delay in the velocity profile occurs for larger values of both the velocity fractional derivative parameter and the velocity relaxation time due to the molecules colliding and interacting, thereby exchanging momentum to achieve a new equilibrium. Additionally, factors such as permeability, magnetic field strength (Hartmann number), Grashof number, and Biot number are shown to significantly influence fluid movement, heat convection, and temperature gradients within the boundary layer. This insight is of paramount importance in engineering applications such as enhanced oil recovery, geothermal reservoir management, and advanced cooling systems, where precise control of fluid dynamics and heat transfer is essential for optimizing performance and resource utilization.</div></div>","PeriodicalId":51341,"journal":{"name":"Propulsion and Power Research","volume":"14 1","pages":"Pages 64-75"},"PeriodicalIF":5.4,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143799465","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Size-dependent flutter analysis of a nanobeam made of metal-ceramic functionally graded materials subjected to supersonic fluid flow","authors":"Mohammad Ali Motallebi,&nbsp;Mohammad Hashemian,&nbsp;S. Ali Eftekhari,&nbsp;Davood Toghraie,&nbsp;Mostafa Pirmoradian","doi":"10.1016/j.jppr.2025.02.008","DOIUrl":"10.1016/j.jppr.2025.02.008","url":null,"abstract":"<div><div>In the presented paper, the size-dependent flutter analysis of a nanobeam made of metal-ceramic functionally graded (FG) materials subjected to supersonic fluid flow is examined. The volume fractions of metal and ceramic vary along both longitudinal and thickness directions. The size effects are modeled based on the nonlocal strain gradient theory (NSGT) and the surface effects are included according to the Gurtin-Murdoch surface elasticity theory. The mathematical modeling of nanobeam is performed in the framework of Reddy's third-order shear deformation beam theory (TSDBT), and the aerodynamic pressure is modeled according to the linear approximation of the piston theory. The governing equations and boundary conditions are obtained utilizing Hamilton's principle and are solved approximately via the differential quadrature method (DQM). Convergence and precision of the presented work are proved and the effects of several parameters on the flutter boundaries are inspected such as material gradation indexes, nonlocal and strain gradient parameters, thickness-to-length ratio, and incorporation of surface effects. It is discovered that the incorporation of the surface effects has a remarkable impact on the flutter boundaries of nanobeams and increases both critical aerodynamic pressure and flutter frequency of the nanobeam. The aim of this work is to examine how the aeroelastic stability characteristics of an FG nanobeam can be affected by the nonlocal and strain gradient parameters and the variations in the volume fractions of the metal and ceramic in the longitudinal and thickness directions.</div></div>","PeriodicalId":51341,"journal":{"name":"Propulsion and Power Research","volume":"14 1","pages":"Pages 110-132"},"PeriodicalIF":5.4,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143799269","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Energy transfer and thermal transport for unsteady fractional viscous fluid under Fourier and statistical analysis","authors":"Ibrahim Mahariq ,&nbsp;Kashif Ali Abro ,&nbsp;Ambreen Siyal","doi":"10.1016/j.jppr.2025.02.005","DOIUrl":"10.1016/j.jppr.2025.02.005","url":null,"abstract":"<div><div>An energy transference from unsteady flow of the incompressible viscous fluid is proposed with radiative heat flux. In order to develop an efficient mathematical model, Rosseland estimation and Boussinesq approximation have been employed. An efficient mathematical model for energy transfer from unsteady flow of viscous fluid is established by means of newly presented fractional differential operator. The fractional differential operator has the capability to describe memory for energy transfer and hereditary properties based on its kernel for minimization or maximization of thermal performance within thermophysical features. The developed model for unsteady flow of viscous fluid is investigated for velocity, concentration and temperature via Fourier and statistical approaches. The analytical results have been simulated for the rheological parameters and statistical results are depicted for different types of graphs for knowing identical and proportional quantity of energy transference.</div></div>","PeriodicalId":51341,"journal":{"name":"Propulsion and Power Research","volume":"14 1","pages":"Pages 160-172"},"PeriodicalIF":5.4,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143799272","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}