Results 1 to 10 of about 104,397 (150)

Brownout Simulations of Model-Rotors In Ground Effect [PDF]

MATEC Web of Conferences, 2020
In this work computational fluid dynamics is used to validate experimental results for a two-bladed small rotor In Ground Effect conditions. The paper focuses on the evaluation and prediction of the rotor outwash generated in ground effect. Time-averaged
Rovere F., Barakos G.N., Steijl R.
doaj   +1 more source

Three-Dimensional CFD Model Development and Validation for Once-Through Steam Generator (OTSG): Coupling Combustion, Heat Transfer and Steam Generation

ChemEngineering, 2022
The current research studies the coupled combustion inside the furnace and the steam generation inside the radiant and convection tubes through a typical Once-Through Steam Generator (OTSG).
Ehsan Askari Mahvelati, Mario Forcinito, Laurent Fitschy, Arthur Maesen   +3 more
doaj   +1 more source

Integrated optimization of geometrical parameters and flow variables for industrial incinerator performance improvement

Results in Engineering, 2023
Industrial incinerators play a vital role in waste disposal, yet their operations carry significant environmental and efficiency consequences. The current study aimed to optimize an industrial incinerator using a multi-objective algorithm in which the ...
Mohammadhossein Hadadiyan, Hamed Arjmandi, Ousmane Abderrahmane Deme, Mohammad Javad Eghbali   +3 more
doaj   +1 more source

Aeroacoustic and Aerodynamic Adjoint-Based Shape Optimization of an Axisymmetric Aero-Engine Intake

Aerospace, 2023
A continuous adjoint-based aeroacoustic optimization, based on a hybrid model including the Ffowcs Williams–Hawkings (FW–H) acoustic analogy, to account for the multidisciplinary design of aero-engine intakes with an axisymmetric geometry, is presented ...
Morteza Monfaredi, Varvara Asouti, Xenofon Trompoukis, Konstantinos Tsiakas, Kyriakos Giannakoglou   +4 more
doaj   +1 more source

توسعه مدل CFD جهت شبیه‌سازی راکتور بستر قطره‌ای (TBR) سولفور و آروماتیک‌زدا [PDF]

Pizhūhish-i Naft, 2015
در این تحقیق اثر پارامترهای عملیاتی بر بازدهی راکتور بستر قطره‌ای سولفورزدایی (HDS) و آروماتیک‌زدایی (HDA) در مقیاس آزمایشگاهی توسط روش دینامیک سیالات محاسباتی (CFD) مورد بررسی قرار گرفته است.
امیر حیدری, سیدحسن هاشم آبادی   +1 more
doaj   +1 more source

Generation of Realistic Boundary Conditions at the Combustion Chamber/Turbine Interface Using Large-Eddy Simulation

Energies, 2021
Numerical simulation of multiple components in turbomachinery applications is very CPU-demanding but remains necessary in the majority of cases to capture the proper coupling and a reliable flow prediction.
Benjamin Martin, Florent Duchaine, Laurent Gicquel, Nicolas Odier   +3 more
doaj   +1 more source

Predicting the Impact of Academic Key Factors and Spatial Behaviors on Students’ Performance

Applied Sciences, 2022
Quality education is necessary as it provides the basis for equality in society. It is also significantly important that educational institutes be focused on tracking and improving the academic performance of each student.
Muhammad Hammad Musaddiq, Muhammad Shahzad Sarfraz, Numan Shafi, Rabia Maqsood, Awais Azam, Muhammad Ahmad   +5 more
doaj   +1 more source

مطالعه عددی و تحلیلی جریان گل حفاری در آنالوس با مدل سیال غیرنیوتنی کراس [PDF]

Pizhūhish-i Naft, 2015
در این مطالعه تغییرات ویسکوزیته گل حفاری بررسی گردیده و با استفاده از داده‌‎های آزمایشگاهی گزارش شده، پارامترهای مدل کراس و بینگهام پلاستیک تعیین شده است.
اسماعیل قاسمی کفرودی, سید حسن هاشم آبادی   +1 more
doaj   +1 more source

Synaptic Mechanisms of Blast Induced Brain Injury

Frontiers in Neurology, 2016
Blast wave-induced traumatic brain injury (TBI) is one of the most common injuries to military personnel. Brain tissue compression/tension due to blast-induced cranial deformations and shear waves due to head rotation may generate diffuse micro-damage to
Andrzej ePrzekwas, Mahadevabharath R Somayaji, Raj K Gupta   +2 more
doaj   +1 more source

تأثیر پارامترهای عملیاتی بر روی دقت جریان سنج توربینی با استفاده از شبیه‌سازی CFD [PDF]

Pizhūhish-i Naft, 2013
در این مقاله هدف بررسی تاثیر تغییرات دبی، دما و نوع نفت بر روی ضریب اندازه‌گیری جریان سنج توربینی با استفاده از تکنیک دینامیک سیالات محاسباتی (CFD) و مقایسه آن با داده‌های عملیاتی می‌باشد.
احمد رستمی, سید حسن هاشم آبادی   +1 more
doaj   +1 more source