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Full rotor modelling and generalized actuator disc for wind turbine wake investigation

Nedjari, H. Daaou; Guerri, O.; Saighi, M. - In: Energy reports 6 (2020) 3, pp. 232-255

This paper purpose a numerical study of the flow downstream a wind turbine erected in the neutral atmospheric boundary layer. A first part consists of unsteady wind flow simulations through a full moving rotor, which lets identifying the vortex generated in the wind turbine wake. The governed...

Persistent link: https://www.econbiz.de/10012183070

Optimised performance of a thermally resistive PV glazing technology : an experimental validation

Cuce, Erdem; Cuce, Pinar Mert - In: Energy reports 5 (2019), pp. 1185-1195

numerically optimised through a well-known CFD software ANSYS FLUENT. Optimisation is based on determining the optimum inert gas … (U-value) for the entire structure. For a typical case (τ=16 mm), CFD results are compared with the experimental data … derived from the standardised co-heating tests, and a good accordance is achieved. CFD results are also compared with the …

Persistent link: https://www.econbiz.de/10012125256

Aerodynamic effect of bicycle wheel cladding : a CFD study

Arora, B. B.; Bhattacharjee, Sourajit; Kashyap, Vishesh; … - In: Energy reports 5 (2019), pp. 1626-1637

terms of the percentage cladding in order to predict the aerodynamic drag using a validated CFD model. SolidWorks Flow …

Persistent link: https://www.econbiz.de/10012125748

Informal street vendors' behaviour at Car-Free Day in Indonesia

Alamanda, Dini Turipanam; Ramdhani, Abdullah; … - In: International journal of public sector performance … 7 (2021) 4, pp. 471-483

Persistent link: https://www.econbiz.de/10012595498

CFD-Trading : das große 1x1 der Contracts for Difference ; Vorteile nutzen und Risiken begrenzen ; [mit Interviews der Top-Trader Erdal Cene und Michael Voigt]

Schütz, Daniel - 2015

Intro -- Inhalt -- Über dieses Buch -- Anmerkung -- 1. Broker/Deutsch -Deutsch/Broker -- 2. Ein bisschen Geschichte -- 3. Der Blickauf heute -- 4. Spekulation -- 5. Contracts For Difference -- 6. Vokabular -- 7. Regularien -- 8. Vorteile und Risiken -- 9. CFDs im direktenVergleich -- 10. Warum...

Persistent link: https://www.econbiz.de/10012319916

Optimization methodology assessment for the inlet velocity profile of a hydraulic turbine draft tube: part I—computer optimization techniques

Galván, Sergio; Rubio, Carlos; Pacheco, Jesús; … - In: Journal of Global Optimization 55 (2013) 1, pp. 53-72

parametrization, the numerical optimization set-up and the objective function definition. The part two validate the numerical CFD …

Persistent link: https://www.econbiz.de/10010994059

Optimization methodology assessment for the inlet velocity profile of a hydraulic turbine draft tube: part II—performance evaluation of draft tube model

Sergio, Galván; Carlos, Rubio; Pacheco, Jesús; … - In: Journal of Global Optimization 55 (2013) 4, pp. 729-749

Computational Fluids Dynamics (CFD) tools guide engineers and designers to estimate the performance of new designs …. However, a CFD analysis can be very time-consuming depending mainly on the grid size and domain complexity. Thus, this paper …

Persistent link: https://www.econbiz.de/10010994183

Simulating blade-strike on fish passing through marine hydrokinetic turbines

Romero-Gomez, Pedro; Richmond, Marshall C. - In: Renewable Energy 71 (2014) C, pp. 401-413

simulated using two modeling approaches: a novel scheme combining computational fluid dynamics (CFD) with Lagrangian particle … distribution and velocity. The proposed CFD and Lagrangian particle tracking methods provided a more realistic representation of …

Persistent link: https://www.econbiz.de/10010906480

The use of ducts to improve the control of supply air temperature rise in UFAD systems: CFD and lab study

Pasut, Wilmer; Bauman, Fred; De Carli, Michele - In: Applied Energy 134 (2014) C, pp. 490-498

Cool supply air flowing through the underfloor plenum is exposed to heat gain from both the concrete slab (conducted from the warm return air on the adjacent floor below the slab) and the raised floor panels (conducted from the warmer room above). The magnitude of this heat gain can be quite...

Persistent link: https://www.econbiz.de/10010930611

A numerical method for the efficient design of free opening hoods in industrial and domestic applications

Pinelli, Michele; Suman, Alessio - In: Energy 74 (2014) C, pp. 484-493

presented. The method is based on a CFD (Computational Fluid Dynamics) formulation for the capturing velocity assessment in …

Persistent link: https://www.econbiz.de/10010931373