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  • Flow distortion measurements in convoluted aero engine intakes 
    Zachos, Pavlos K.; MacManus, David G.; Chiereghin, Nicola (AIAA, 2015-06-19)
    The unsteady flow fields generated by convoluted aero engine intakes are major sources of instabilities that can compromise the performance of the down stream turbo machinery components. Hence, there exists a need for high ...
  • Flow distortion measurements in convoluted aero engine intakes 
    Zachos, Pavlos K.; MacManus, David G.; Chiereghin, Nicola (American Institute of Aeronautics and Astronautics, 2016-07-07)
    The unsteady flowfields generated by convoluted aero engine intakes are major sources of instabilities that can compromise the performance of the downstream turbomachinery components. Hence, there exists a need for high ...
  • Flow field analysis around pressure shielding structures 
    Szoke, Máté; Hari, Nandita Nurani; Devenport, William J.; Glegg, Stewart A.; Teschner, Tom-Robin (2021-07-28)
    The flow field around a series of streamwise rods, referred to as canopies, is investigated using two-dimensional two-component time-resolved particle image velocimetry (PIV) and large eddy simulations (LES) to characterize ...
  • Flow field calculation and dynamic characteristic analysis of spherical hybrid gas bearings based on passive grid 
    Jia, Chenhui; Cui, Zhiwu; Guo, Shijun; Qiu, Ming; Ma, Wensuo (Springer, 2019-01-03)
    In order to research the spherical spiral groove hybrid gas bearings, the Realizable k − ε turbulence model of gas film was established based on FLUENT. The simulation calculation method of 6-degrees of freedom passive ...
  • Flow field explorations in a boundary layer pump rotor for improving 1D design codes 
    Freschi, Rosa; Bakogianni, Agapi; Rajendran, David John; Anselmi Palma, Eduardo; Talluri, Lorenzo; Roumeliotis, Ioannis (MDPI, 2023-02-03)
    Boundary layer pumps, although attractive due to their compactness, robustness and multi-fluid and phase-handling capability, have been reported to have low experimental efficiencies despite optimistic predictions from ...
  • Flow imaging using femtosecond-laser-induced two-photon fluorescence 
    Kelman, J. B.; Greenhalgh, D. A.; Ramsay, Euan; Xiao, Dong; Reid, Derryck T. (Optical Society of America, 2004-08)
    A novel technique is demonstrated for the imaging of turbulent flows in which a single window to the flow is the only optical access required. A femtosecond laser is used to excite two-photon fluorescence in a disodium ...
  • Flow in a forward swept centrifugal fan 
    Mealing, B. E. (Cranfield University, 1988-03)
    The original objective of this work, to improve the efficiency of a forward curved centrifugal fan, was redirected to the urgent solution of a serious impeller life problem arising under certain service conditions. Using ...
  • Flow inside axial pump impellers 
    Resnick, Avi (Cranfield University, 1982-12)
    The subject of this work is the flow inside an axial pump impeller, which is studied both numerically and experimentally. The aim of the work is to provide a numerical method to predict the three-dimensional flow field ...
  • Flow measurement and monitoring using orifice plates 
    Papadopoulos, Christos E. (1996-03)
    The orifice meter is still commonly used for natural gas measurement despite its many limitations. Considerable efforts in recent years have resulted in improved knowledge of factors such as installation effects and the ...
  • The flow of chemically reacting gas mixtures 
    Clarke, J. F. (College of Aeronautics, 1958-11)
    Suitable forms of the equations for the flow of an inviscid, non-heat- conducting gas in which chemical reactions are occurring are derived, The effects of mass diffusion and non-equilibrium amongst the internal modes ...
  • The flow over delta wings at low speeds with leading edge separation 
    Marsden, D. J.; Simpson, R. W.; Rainbird, W. J. (College of Aeronautics, 1958-02)
    A low speed investigation of the flow over a 40 degree apex angle delta wing with sharp leading edges had been made in order to ascertain details of the flow in the viscous region near the leading edge of the suction ...
  • Flow structure and heat transfer of jet impingement on a rib-roughened flat plate 
    Alenezi, Abdulrahman H.; Almutairi, Abdulrahman; Alhajeri, Hamad M.; Addali, Abdulmajid; Gamil, Abdelaziz A. A. (MDPI, 2018-06-13)
    The jet impingement technique is an effective method to achieve a high heat transfer rate and is widely used in industry. Enhancing the heat transfer rate even minimally will improve the performance of many engineering ...
  • Flow studies at hypersonic speeds 
    Babinsky, Holger (1991)
    Approximate methods for calculating the surface pressures including the effects of viscous interactionare introduced for laminar and turbulent boundary layers. Experiments were performed with various models taking Schlieren ...
  • Flow through a very porous obstacle in a shallow channel 
    Creed, M. J.; Draper, S.; Nishino, Takafumi; Borthwick, A. G. L. (The Royal Society, 2017-04-26)
    A theoretical model, informed by numerical simulations based on the shallow water equations, is developed to predict the flow passing through and around a uniform porous obstacle in a shallow channel, where background ...
  • Flow velocity and sand loading effect on erosion–corrosion during liquid-solid impingement on mild steel 
    Parancheerivilakkathil, Muhammed S.; Parapurath, Shahid; Ainane, Sami; Yap, Yit Fatt; Rostron, Paul (MDPI, 2022-02-28)
    The presence of CO2, sand, and water in oil and gas reservoirs causes erosion–corrosion leading to material degradation in pipelines and fluid handling equipment that results in increasing maintenance and repair costs and ...
  • Flow visualization and particle dispersion measurements inside an ambulance rear saloon while stationary and in motion 
    Lawson, Nicholas J.; Blackburn, Kim; Sherwood, Glenn; Brighton, James; Atkinson, Helen V. (SAE International, 2022-04-07)
    The following paper presents flow field and particle dispersion data from a UK National Health Service (NHS) ambulance, under static and dynamic driving conditions and when using different ventilation modes. Data was ...
  • Fluid driven rotary atomiser for controlled droplet application of herbicides. 
    Craig, I. P. S. (1991-04)
    Handheld electrically driven spinning disc atomisers are capable of applying pesticides more efficiently than with hydraulic nozzles, because the narrower droplet spectra they produce leads to reduced drift and wastage ...
  • Fluid dynamic mechanisms of enhanced power generation by closely spaced vertical axis wind turbines 
    Zanforlin, Stefania; Nishino, Takafumi (Elsevier, 2016-08-18)
    We present a comprehensive set of two-dimensional (2D) unsteady Reynolds-averaged Navier-Stokes (URANS) simulations of flow around a pair of counter-rotating vertical-axis wind turbines (VAWTs). The simulations are performed ...
  • Fluid flow analysis using the boundary element method 
    Carneiro, Helder Fernando De Franca Mendes (1993-05)
    An Attempt at development of theory and computer program for the solution of potential and viscous flow problems using the Boundary Element Methods is introduced in this work. A program for potential flow analysis of ...
  • Fluid flow and heat transfer around mechanical seals 
    Barnes, N. D. (1990-09)
    Mechanical seals are used extensively on rotary applications where the sealed fluid is under pressure. They may rightly be considered to be generally reliable and trouble free, many giving lives of over 3 years. However, ...