Optimum design of S-shaped diffuser by studying the effect of inlet velocity, turning angle and area ratio

AK Das, RK Singh, M Roy, A Kumar, SC Rana… - International Journal on …, 2023 - Springer
The present work aims at the optimum design and the optimum operating condition of a S-
shaped diffuser by studying the effect of inlet velocity, turning angle and area ratio using …

Study of the shape optimization of a variable diameter in a ventilation and air-conditioning duct based on the Boltzmann function

R Gao, M Wang, W Guo, S Zhang, S Wen, D Wu… - Journal of Building …, 2021 - Elsevier
Ventilation and air-conditioning systems feature high-resistance ducts and long, complex
pipelines. Consequently, how to structurally optimize the local components to reduce …

Performance of vertical diffusers carrying Gas-solid flow: experimental and numerical studies

WA El-Askary, KA Ibrahim, SM El-Behery, MH Hamed… - Powder Technology, 2015 - Elsevier
In the present work, numerical and experimental studies are carried out to investigate the
performance of vertical straight-walled conical diffusers carrying air-solid two-phase flow …

[HTML][HTML] Flow field explorations and design improvements of a hybrid rocket motor LOx feed line

DJ Rajendran, M Santhanakrishnan, V Pachidis… - Acta Astronautica, 2024 - Elsevier
The oxidizer system in a hybrid rocket motor needs to deliver the flow from a pressurized
storage tank to multiple combustor ports. Pressure losses in the oxidizer system directly …

Numerical investigation of turning diffuser performance by varying geometric and operating parameters

N Nordin, VR Raghavan, S Othman… - Applied Mechanics …, 2012 - Trans Tech Publ
This paper presents a numerical investigation of pressure recovery and flow uniformity in
turning diffusers with 90o angle of turn by varying geometric and operating parameters. The …

A Numerical Investigation on the Effects of Vaned Diffusers on the Aerodynamic Performance of a Low Pressure-Ratio Methane Centrifugal Compressor

M Anbarsooz, M Amiri, E Benini - Journal of Applied Fluid Mechanics, 2024 - jafmonline.net
Vaned diffusers are widely used in centrifugal compressors due to their higher pressure-
recovery coefficients compared to vaneless diffusers. In this study, the effects of the diffuser …

Effect of turning angle on performance of 2-D turning diffuser via Asymptotic Computational Fluid Dynamics

YT Khong, N Nordin, SM Seri… - IOP Conference …, 2017 - iopscience.iop.org
The present work aims to numerically investigate the effect of varying turning angle, ϕ= 30-
90 on the performance of 2-D turning diffuser and to develop the performance correlations …

Impact of a collector box on the pressure recovery of an exhaust diffuser system

BC Bernier, M Ricklick… - … Expo: Power for …, 2011 - asmedigitalcollection.asme.org
The effects of an industrial gas turbine's Exhaust Collector Box (ECB) geometry on static
pressure recovery and total pressure loss were investigated in this study. This study aims to …

Turbulent boundary layer structure of flow over a smooth-curved ramp

WA El-Askary - Computers & fluids, 2009 - Elsevier
The effects of a convex-curved wall followed by a recovery over a flat surface on a turbulent
boundary layer structure are addressed via large-eddy simulation (LES). The curved wall …

[PDF][PDF] Compatibility of 3-D turning diffusers by means of varying area ratios and outlet-inlet configurations

N Nordin, VR Raghavan, S Othman… - ARPN Journal of …, 2012 - core.ac.uk
Combined turning and diffusing is often associated with detrimental flow phenomena that
contribute to losses induced by the very nature of its geometry. This paper aims to …