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Recent Propulsion and Power Research Articles

Recently published articles from Propulsion and Power Research.

Hydromagnetic unsteady slip stagnation flow of nanofluid with suspension of mixed bio-convection

Available online 23 August 2019
R. Kumar | S. Sood | C.S.K. Raju | S.A. Shehzad

In this paper, stagnation point region (suspended with nanofluid and microorganisms) is examined subjected to velocity and thermal slips. The flow is assumed to be flowing across an exponentially stretching...

Design point analysis of two-shaft gas turbine engines topped by four-port wave rotors for power generation systems

Available online 23 August 2019
A. Fatsis

Wave rotors are rotating equipment designed to exchange energy between high and low enthalpy fluids by means of unsteady pressure waves. In ground power plants, they can be used as topping devices to...

Heat and mass transfer analysis on flow of Williamson nanofluid with thermal and velocity slips: Buongiorno model

Available online 23 August 2019
Yap Bing Kho | Abid Hussanan | Muhammad Khairul Anuar Mohamed | Mohd Zuki Salleh

The thermal and velocity slips of boundary layer of Williamson nanofluid over a stretching sheet are studied numerically. Buongiorno model is used to explore the heat transfer phenomena caused by Brownian...

Cilia-assisted hydromagnetic pumping of biorheological couple stress fluids

Available online 23 August 2019
K. Ramesh | D. Tripathi | O. Anwar Bég

A theoretical study is conducted for magnetohydrodynamic pumping of electro-conductive couple stress physiological liquids (e.g. blood) through a two-dimensional ciliated channel. A geometric model...

Natural convective heat transfer in a square enclosure utilizing magnetic nanoparticles

Available online 23 August 2019
Latifa M. Al-Balushi | M.J. Uddin | M.M. Rahman

In the present paper, unsteady natural convective heat transfer flow inside a square enclosure filled with nanofluids containing magnetic nanoparticles using nonhomogeneous dynamic model is investigated...

LES of rotating film-cooling performance in a 1-1/2 turbine stage

June 2019
Nabeel Al-Zurfi | Adel Nasser

The large eddy simulation method was employed to investigate the film-cooling performance in a low-speed rotor blade of a 1-1/2 turbine stage. The rotor blade height and axial chord length were 99 mm...

Thermal radiation and slip effects on magnetohydrodynamic (MHD) stagnation point flow of Casson fluid over a convective stretching sheet

June 2019
Jawad Raza

Current study examines the combined effect of thermal radiation and velocity slip along a convective heated stretching sheet. magnetohydrodynamic (MHD) effect near the stagnation point is also under...

Mixed convection in a lid-driven cavity filled with single and multiple-walled carbon nanotubes nanofluid having an inner elliptic obstacle

June 2019
Fatih Selimefendigil

In this study, numerical analysis and optimization in a single and multiple walled carbon nanotube-water nanofluid filled lid driven cavity having an inner elliptic obstacle were performed by using...

The closed form solutions of simplified MCH equation and third extended fifth order nonlinear equation

June 2019
A.K.M. Kazi Sazzad Hossain | M. Ali Akbar | Md. Abul Kalam Azad

The investigation of closed form solutions for nonlinear evolution equations (NLEEs) is being an attractive subject in the different branches of mathematical and physical sciences. In this article,...

Numerical simulation of diesel combustion based on n-heptane and toluene

June 2019
Kesong Zhang | Qiangzhi Xin | Zhenqian Mu | Zhijian Niu | Zhiming Wang

Considering the self-ignition characteristic and C/H ratio, n-heptane and toluene (6:4 by mass) are chosen to constitute diesel surrogate fuel, and a reduced oxidation mechanism was developed. This...

Homotopy study of magnetohydrodynamic mixed convection nanofluid multiple slip flow and heat transfer from a vertical cylinder with entropy generation

June 2019
Nisha Shukla | Puneet Rana | O. Anwar Bég | Bani Singh | A. Kadir

Stimulated by thermal optimization in magnetic materials process engineering, the present investigation investigates theoretically the entropy generation in mixed convection magnetohydrodynamic (MHD)...

Computational study on flow through truncated conical plug nozzle with base bleed

June 2019
Prasanth P. Nair | Abhilash Suryan | Heuy Dong Kim

Conical plug nozzle and truncated conical plug nozzle are advanced rocket nozzles suitable for use as altitude compensating nozzles. In this study flow through the conical plug and truncated conical...

Flow and heat transfer of composite porous medium saturated with nanofluid

June 2019
J.C. Umavathi | K. Hemavathi

The present article is concerned with the heat transfer of nanofluid saturated with porous medium sandwiched between clear viscous fluid filled in a vertical channel. The model is developed to analyze...

Hall, ion slip and ohmic heating effects in thermally active sinusoidal channel

Available online 2 April 2019
S. Noreen | T. Kousar

In this paper Carreau fluid is taken into account to study its peristaltic flow with Hall and ion-slip effects. The study is carried out in a wave frame of reference for both asymmetric and symmetric...

Numerical study of a dissipative micropolar fluid flow past an inclined porous plate with heat source/sink

March 2019
Shamshuddin MD | Thirupathi Thumma

Micropolar theories present an excellent mechanism for exploring new non-Newtonian materials processing provides a stimulating area for process engineering simulation. Motivated by area for process...

Leakage performance of labyrinth seal for oil sealing of aero-engine

March 2019
Guoqing Li | Qian Zhang | Zhijun Lei | Enliang Huang | Hongwei Wu | Gang Xu

Experimental investigation has been done to evaluate the leakage performance of labyrinth seal for oil sealing on high-speed sealing test rig at different working and geometric parameters. Typical values...

Chemical reaction effect of an axisymmetric flow over radially stretched sheet

March 2019
B. Nayak | S.R. Mishra | G. Gopi Krishna

A steady boundary layer flow over a porous flat plate has been considered in the present study. Mass transfer analysis with first order chemical reaction is also considered instead of heat transfer....

Analysis of various semi-numerical schemes for magnetohydrodynamic (MHD) squeezing fluid flow in porous medium

March 2019
Inayat Ullah | M.T. Rahim | Hamid Khan | Mubashir Qayyum

In this article comparative analysis of various semi-numerical schemes has been made for the case of squeezing flow of an incompressible viscous fluid between two large parallel plates having no-slip...

On bypass transition in separation bubbles: a review

March 2019
Zhiyin Yang

Transition from laminar flow to turbulent flow is of great practical interest as it occurs in many engineering flows and often plays a critical role in aerodynamics and heat transfer performance of...

Effects of chemical reaction and heat generation/absorption on magnetohydrodynamic (MHD) Casson fluid flow over an exponentially accelerated vertical plate embedded in porous medium with ramped wall temperature and ramped surface concentration

March 2019
Hari R. Kataria | Harshad R. Patel

This article studies effects of heat generation/absorption and chemical reaction on the unsteady magnetohydrodynamic (MHD) Casson fluid flow past over exponentially accelerated vertical plate embedded...

Natural convection flow in a vertical annulus with time-periodic thermal boundary conditions

March 2019
BasantK. Jha | MichaelO. Oni

This paper presents an analytical solution for natural convection flow in a vertical annulus due to time-periodic heating of annulus surfaces. Closed-form expressions for velocity, temperature, skin-friction,...

Numerical approach to the modelling of transient interaction of prospective combustor concepts and conventional high pressure turbines

March 2019
F. Bakhtiari | H.-P. Schiffer

The Institute of Gas Turbines and Aerospace Propulsion at Technische Universität Darmstadt conducts research projects in the field of “combustor turbine interaction” (CTI). This paper presents numerical...

Mathematical simulation of low cycle fatigue of high-loaded engine parts

December 2018
Yury M. Temis

The paper discusses main aspects of low cycle fatigue influence on the lifetime of engine parts. The importance and history of the problem, the main experiments and the effects impacting the low cycle...

Interplay of non-conducting and conducting walls on magnetohydrodynamic (MHD) natural convection flow in vertical micro-channel in the presence of induced magnetic field

December 2018
BasantK. Jha | Babatunde Aina

In this research paper, exact solution for fully developed magnetohydrodynamic (MHD) natural convection flow of viscous, incompressible, electrically conducting fluid in vertical micro-channel formed...

Entropy generation under the influence of radial magnetic field and viscous dissipation of generalized Couette flow in an annulus

December 2018
TaiwoS. Yusuf | MichaelO. Oni

This paper investigates the combined effect of radial magnetic field and viscous dissipation on entropy generation in horizontal co-axial cylinders of generalized Couette flow. The analytical solutions...

Finite element analysis on transient magnetohydrodynamic (MHD) free convective chemically reacting micropolar fluid flow past a vertical porous plate with Hall current and viscous dissipation

December 2018
SivaReddy Sheri | M.D. Shamshuddin

This article deals with boundary layer analysis of magnetohydrodynamics on an unsteady chemically reactive micropolar rotating fluid flow past a semi-infinite vertical plate with the impact of Hall...

Magnetohydrodynamic (MHD) boundary layer heat and mass transfer characteristics of nanofluid over a vertical cone under convective boundary condition

December 2018
P.Sudarsana Reddy | P. Sreedevi | Ali J. Chamkha

This paper investigates the boundary layer flow, heat and mass transfer characteristics over a vertical cone filled with nanofluid saturated porous medium with the influence of magnetic field, thermal...

Influence of structure parameters on aeroelastic stability for labyrinth seal based on energy method

December 2018
Nengmao Wang | Yanrong Wang | Aimei Tian

Numerical analysis of turbomachinery based on energy method is used to predict the aeroelastic stability of the straight-through labyrinth seal by solving aerodynamic work and damping. The aeroelastic...

Effects of viscous dissipation and Joule heating on the Couette and Poiseuille flows of a Jeffrey fluid with slip boundary conditions

December 2018
K. Ramesh

In this article, we have presented the exact solutions of the Couette, Poiseuille and generalized Couette flows of an incompressible magnetohydrodynamic Jeffrey fluid between parallel plates through...

Study of abundant explicit wave solutions of the Drinfeld-Sokolov-Satsuma-Hirota (DSSH) equation and the shallow water wave equation

December 2018
H.M.Shahadat Ali | M. Mamun Miah | M. Ali Akbar

In this article, the two variable (G′/G,1/G)-expansion method is suggested to investigate new and further general multiple exact wave solutions to the Drinfeld-Sokolov-Satsuma-Hirota (DSSH) equation...

Two-dimensional film cooling over a flat plate in hypersonic flow

September 2018
Ying Zhou | Hong Wu | Yulong Li | Yi Cai

Film cooling, as one efficient active cooling method, will hopefully be used in ‘hypersonic vehicles’ in the future. The hypersonic vehicle׳s surface is more likely a flat plate than a blunt body, so...

Modified Adomian decomposition method for solving the problem of boundary layer convective heat transfer

September 2018
Yassir Daoud | Ahmed A. Khidir

In this paper, we apply a new modification of the Adomian decomposition method for solving the problem of boundary layer convective heat transfer with viscous dissipation and low pressure gradient over...

Characterization and manufacturing of a paraffin wax as fuel for hybrid rockets

September 2018
F. Piscitelli | G. Saccone | A. Gianvito | G. Cosentino | L. Mazzola

The hybrid propulsion performed with paraffin waxes exhibits most attractive capabilities compared to solid or liquid engines, e.g., throttleability and re-ignition, alongside higher regression rates...

Fundamental investigations for lowering emissions and improving operability

September 2018
Xiao Ren | Xin Xue | Kyle B. Brady | Chih-Jen Sung | Hukam C. Mongia

This paper first highlights recent developments in lean direct injection (LDI) combustion technology. In view of the needs and opportunities to lower emissions and expand the operability range of LDI,...

Flow and heat transfer of nanofluid over an exponentially shrinking porous sheet with heat and mass fluxes

September 2018
Sudipta Ghosh | Swati Mukhopadhyay

Steady boundary layer flow of nanofluid past an exponentially porous shrinking sheet in presence of heat and mass fluxes is presented. In this model the combined effects of Brownian motion and thermophoresis...

Effect of magnetic field on Oldroyd-B type nanofluid flow over a permeable stretching surface

September 2018
Kalidas Das | Tanmoy Chakraborty | Prabir Kumar Kundu

This article is conceded to explore the influence of magnetic flux on a two dimensional incompressible Oldroyd-B type nanofluid past a heat generating/absorbing permeable expanding surface. Guided by...

Heat and mass transfer in magnetohydrodynamic (MHD) Casson fluid flow past over an oscillating vertical plate embedded in porous medium with ramped wall temperature

September 2018
HariR. Kataria | HarshadR. Patel

The present paper is concerned with the study of flow, heat and mass transfer characteristics in the unsteady natural convective magneto hydrodynamics Casson fluid flow past over an oscillating vertical...

Unsteady time-dependent incompressible Newtonian fluid flow between two parallel plates by homotopy analysis method (HAM), homotopy perturbation method (HPM) and collocation method (CM)

September 2018
M.R. Shirkhani | H.A. Hoshyar | I. Rahimipetroudi | H. Akhavan | D.D. Ganji

Analytical and numerical analyses have performed to study the problem of the flow of incompressible Newtonian fluid between two parallel plates approaching or receding from each other symmetrically....

The influence of radial entrance width of the circular cavity on incident shock wave focusing

June 2018
Xin Chen | Chuan Wang | Sheng Tan | Liming He | Qiang Zhang

Despite the achievement of shock wave focusing with certain reflectors, the influence of the radial entrance width of a circular cavity on the flow field has yet to be addressed. In this study, we systematically...

Light-weighting in aerospace component and system design

June 2018
L. Zhu | N. Li | P.R.N. Childs

Light-weighting involves the use of advanced materials and engineering methods to enable structural elements to deliver the same, or enhanced, technical performance while using less material. The concept...

Heat transfer and airflow characteristics enhancement of compact plate-pin fins heat sinks – a review

June 2018
Amer Al-damook | FahadSaleh Alkasmoul

Plate-pin heat sinks are widely used for the electronic cooling system, internal combustion IC engine, cooling of gas turbine blades and other different applications to enhance the thermal performance...

Magnetohydrodynamic convective-radiative oscillatory flow of a chemically reactive micropolar fluid in a porous medium

June 2018
Dulal Pal | Sukanta Biswas

This paper deals with the investigation of double-diffusive heat and mass transfer characteristics of an oscillatory viscous electrically conducting micropolar fluid over a moving plate with convective...

A comprehensive approach to understanding irreversibility in a turbojet

June 2018
Yasin Şöhret

Regarding interest in and concerns about high efficiency in recent times, an irreversibility assessment of energy conversion systems is significant. Turbojets, a type of energy conversion system, are...

Effects of velocity and thermal wall slip on magnetohydrodynamics (MHD) boundary layer viscous flow and heat transfer of a nanofluid over a non-linearly-stretching sheet: a numerical study

June 2018
Dodda Ramya | R. Srinivasa Raju | J. Anand Rao | A.J. Chamkha

In this analysis, the boundary layer viscous flow of nanofluids and heat transfer over a non-linearly-stretching sheet in the presence of a magnetic field is presented. Velocity and thermal slip conditions...

Impact of induced magnetic field on magnetohydrodynamic (MHD) natural convection flow in a vertical annular micro-channel in the presence of radial magnetic field

June 2018
BasantK. Jha | Babatunde Aina

This study is devoted to investigate the effect of induced magnetic field on fully developed magnetohydrodynamic (MHD) natural convection flow of electrically conducting fluid in a vertical annular...

Effect of thermal radiation on mixed convection of a nanofluid from an inclined wavy surface embedded in a non-Darcy porous medium with wall heat flux

June 2018
D. Srinivasacharya | P.Vijay Kumar

This article focuses on the effect of radiation on mixed convection in a nanofluid along an inclined wavy surface embedded in a non-Darcy porous medium. A coordinate transformation is employed to transform...

A study of heat and mass transfer on magnetohydrodynamic (MHD) flow of nanoparticles

March 2018
Syed Tauseef Mohyud-Din | Umar Khan | Naveed Ahmed | Muhammad Mehdi Rashidi

Investigation of the flow, heat and mass transfer of a nanofluid over a suddenly moved flat plate is presented using Buongiorno's model. This study is different from some of the previous studies as...

Review on film cooling of liquid rocket engines

March 2018
S.R. Shine | S.Shri Nidhi

Film cooling in combination with regenerative cooling is presently considered as an efficient method to guarantee safe operation of liquid rocket engines having higher heat flux densities for long duration....

Melting and second order slip effect on convective flow of nanofluid past a radiating stretching/shrinking sheet

March 2018
M.J. Uddin | W.A. Khan | A.I.Md. Ismail

A mathematical model is presented for forced convective slip flow of a nanofluid past a radiating stretching/shrinking sheet. Melting boundary condition is taken into account. The nanofluid model involves...

Experimental studies of water hammer in propellant feed system of reaction control system

March 2018
Avanish Kumar | P. Satya Prasad | M. Raghavendra Rao

Water hammer pressure transient produces large dynamic forces which can damage the pipes and other assemblies in the feed line of a reaction control system (RCS). It has led to the failure of pressure...

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