Results 101 to 110 of about 49,718 (278)
Alexandria Engineering Journal, 2018 In the present work, for the first time, laminar natural convection of water-TiO2 nanofluid around a hot obstacle in a square cavity is simulated by Lattice Boltzmann Method (LBM).
A.R. Rahmati, A.A. Tahery
doaj +1 more source
Numerical simulation of turbulent heat transfer and fluid flow in different tube designs [PDF]
, 2014 Numerical simulation was carried out to study the heat transfer, friction factor and thermal performance of water inside different tubes induced with different twisted tapes.
Oni, Taiwo O., Paul, Manosh C.
core
Heat Transfer, EarlyView.ABSTRACT This study reviews recent advances in using nanofluids to enhance double‐pipe heat exchanger (DPHE) efficiency. The review examines several types of nanofluids, that is, water‐based graphene oxide and CuO–water nanofluids, assessing their effectiveness under different operating conditions, including inlet temperature and nanoparticle volume ...
Farhan Lafta Rashid +8 more
wiley +1 more source
Fronts in reactive convection: bounds, stability and instability
, 2002 We consider front propagation in a reactive Boussinesq system in an infinite vertical strip. We establish nonlinear stability of planar fronts for narrow domains when the Rayleigh number is not too large.
Constantin, Peter +2 more
core +1 more source
Experimental investigation of a forced convection heat transfer of the organic fluid R-125 at supercritical pressures and under organic rankine cycle conditions [PDF]
, 2017 The organic Rankine cycle (ORC) is a suitable technology for utilizing low-grade temperature heat sources of ~100 °C from various industry processes. In the ORC cycle an organic fluid with a lower boiling point is used as a working medium.
Billiet, Marijn +4 more
core +1 more source
Transient Convective Spin-up Dynamics
, 2020 We study the formation, longevity and breakdown of convective rings during impulsive spin-up in square and cylindrical containers using direct numerical simulations.
Ravichandran, S., Wettlaufer, J. S.
core +1 more source
Entropy Generation Analysis due to Permeable Exponential Stretching in Boundary Layer Flows
Heat Transfer, EarlyView.ABSTRACT Entropy generation represents the irreversible loss of useful energy in thermal–fluid systems, directly reducing efficiency in applications, such as microelectronics cooling, nanofluid‐based heat exchangers, and polymer processing. This study investigates entropy generation in a two‐phase viscoelastic nanofluid flow over a permeable ...
Khodani Sherrif Tshivhi +1 more
wiley +1 more source
Heat Transfer, EarlyView.ABSTRACT This review explores the impact of gravitational instability on convective heat transfer, integrating existing research results and theoretical models. Gravitational instability is vital in promoting or hindering convective actions in different systems, such as atmospheric events, ocean currents, and industrial processes.
Hossam A. Nabwey +3 more
wiley +1 more source
Effects of Slip Boundaries on Mixed Convection of Al2O3-water Nanofluid in Microcavity [PDF]
International Journal of Advanced Design and Manufacturing Technology, 2015 Due to the importance of the slip effect on modeling of microchannel and microcavity, numerical investigations have been introduced in this work for studying the mixed convection of Al2O3-water nanofluid in a square microcavity.
A. R. Rahmati +3 more
doaj
, 2012 This paper presents a numerical study of three-dimensional laminar mixed convection within a liquid flowing on a horizontal channel heated uniformly from below. The upper surface is free and assumed to be flat.
Bammou, Lahcen +5 more
core +1 more source