Browsing NTNU Open by Author "Siddiqui, Muhammad Salman"
Now showing items 1-20 of 22
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A full-scale 3D Vs 2.5D Vs 2D analysis of flow pattern and forces for an industrial-scale 5MW NREL reference wind-turbine
Tabib, Mandar; Rasheed, Adil; Siddiqui, Muhammad Salman; Kvamsdal, Trond (Journal article; Peer reviewed, 2017)NREL 5MW reference turbine, which is a popular, realistic and standardized industrial scale offshore turbine model, is used in this work for understanding the associated flow-complexities and for testing models. For such ... -
A step towards reduced order modelling of flow characterized by wakes using Proper Orthogonal Decomposition
Fonn, Eivind; Tabib, Mandar; Siddiqui, Muhammad Salman; Rasheed, Adil; Kvamsdal, Trond (Journal article; Peer reviewed, 2017)High fidelity simulations of flow can be quite demanding, involving up to O(106) to O(109) degrees of freedom, and several hours or days of computational time, even on powerful parllel architectures. These techniques become ... -
Development and experimental investigation of a novel combined solar cooker and dryer unit
Siddique, Muhammad Zeeshan; Badar, Abdul Waheed; Jakhrani, Shan Ali; Khan, Muhammad Yasin; Butt, Fahad Sarfraz; Siddiqui, Muhammad Salman (Peer reviewed; Journal article, 2020)Solar cookers and dryers are normally used as separate units due to different operating temperature requirements for cooking and drying of food products. A unique design of a compounded solar cooker and dryer unit is ... -
Dynamic simulation and parametric analysis of solar assisted desiccant cooling system with three configuration schemes
Badar, Abdul Waheed; Farooq, Abdul Samad; Sajid, Muhammad Bilal; Fatima, Mahreen; Zahra, Anam; Siddiqui, Muhammad Salman (Journal article; Peer reviewed, 2020)Evaporative cooling of the dehumidified air in a desiccant cooling system with the aid of solar energy is an attractive energy saving option to cool the process air for air conditioning purposes. This paper is concerned ... -
Effect of printed circuit heat exchanger’s different designs on the performance of supercritical carbon dioxide Brayton cycle
Saeed, Muhammad; Berrouk, Abdallah S.; Siddiqui, Muhammad Salman; Awais, Ahmad Ali (Peer reviewed; Journal article, 2020)Several fin configurations have been proposed in the literature to address the poor hydraulic performance associated with the PCHEs. However, the effect of the heat exchangers with proposed channel geometries on the ... -
Effect of turbulence intensity on the performance of an offshore vertical axis wind turbine
Siddiqui, Muhammad Salman; Rasheed, Adil; Kvamsdal, Trond; Tabib, Mandar (Journal article; Peer reviewed, 2015)Offshore wind energy is one of the most competitive renewable energy resources available to us, which until now been under- exploited. Most of the problems associated with wind farm installation like land acquisition, low ... -
High Fidelity Computational Fluid Dynamics Assessment of Wind Tunnel Turbine Test
Siddiqui, Muhammad Salman; Kvamsdal, Trond; Rasheed, Adil (Journal article; Peer reviewed, 2019)We present, what to our best knowledge, is the most accurate numerical investigation of the wind tunnel tests carried out over a model wind turbine (known as NTNU Blind Test) at the Norwegian University of Sciences and ... -
High Fidelity Simulation and Reduced Order Modeling of Wind Turbines
Siddiqui, Muhammad Salman (Doctoral theses at NTNU;2018:172, Doctoral thesis, 2018) -
Industrial scale turbine and associated wake development -comparison of RANS based Actuator Line Vs Sliding Mesh Interface Vs Multiple Reference Frame method
Tabib, Mandar; Siddiqui, Muhammad Salman; Rasheed, Adil; Kvamsdal, Trond (Journal article; Peer reviewed, 2017)This current work compares the three methodologies (Actuator Line model (ALM), Sliding Mesh Interface (SMI) and Multiple Reference Frame (MRF)) in modeling an industrial scale reference turbine at different tip speed ratios ... -
Influence of Tip Speed Ratio on Wake Flow Characteristics Utilizing Fully Resolved CFD Methodology
Siddiqui, Muhammad Salman; Rasheed, Adil; Kvamsdal, Trond; Tabib, Mandar (Journal article; Peer reviewed, 2017)Dominant flow structures in the wake region behind the turbine employed in the Blind Test campaign [1], [2] is investigated numerically. The effect on the wake configuration at variable operating conditions are studied. ... -
Laboratory testbed and methods for flexible characterization of thermal and fluid dynamic behaviour of double skin facades
Jankovic, Aleksandar; Siddiqui, Muhammad Salman; Goia, Francesco (Peer reviewed; Journal article, 2021)Heat and mass transport in double skin façades (DSFs) are complex phenomena driven by boundary conditions and are in constant non-linear interaction with the constructional elements of the DSF. Comprehensive experimental ... -
Near wake region of an industrial scale wind turbine: comparing LES-ALM with LES-SMI simulations using data mining (POD)
Tabib, Mandar; Rasheed, Adil; Fonn, Eivind; Siddiqui, Muhammad Salman; Kvamsdal, Trond (Journal article, 2017)Accurate prediction of power generation capability needs proper assessment of blade loading and wake behavior. In this regard, the Sliding Mesh Interface (SMI) approach and the Actuator Line Model (ALM) are two diverse ... -
Numerical Analysis of NREL 5MW Wind Turbine: A Study Towards a Better Understanding of Wake Characteristic and Torque Generation Mechanism
Siddiqui, Muhammad Salman; Rasheed, Adil; Tabib, Mandar; Kvamsdal, Trond (Journal article; Peer reviewed, 2016)With the increased feasibility of harvesting offshore wind energy, scale of wind turbines is growing rapidly and there is a trend towards clustering together higher number of turbines in order to harvest maximum yield and ... -
Numerical investigation of blade roughness impact on the aerodynamic performance and wake behavior of horizontal axis wind turbine
Mian, Haris Hameed; Siddiqui, Muhammad Salman; Yang, Liang; Kvamsdal, Trond; Asim, Taimoor (Peer reviewed; Journal article, 2023)This research focuses on the effect of leading-edge erosion on the performance of wind turbines, specifically the GE1.5XLE horizontal axis wind turbine. The blade element momentum (BEM) method is used to predict the ... -
Numerical investigation of modeling frameworks and geometric approximations on NREL 5 MW wind turbine
Siddiqui, Muhammad Salman; Rasheed, Adil; Tabib, Mandar; Kvamsdal, Trond (Journal article; Peer reviewed, 2018)The key to the better design of an industrial scale wind turbine is to understand the influence of blade geometry and its dynamics on the complicated flow-structures. An industrial-scale wind turbine can be numerically ... -
Numerical investigation of thermal and hydraulic characteristics of sCO2-water printed circuit heat exchangers with zigzag channels
Saeed, Muhammed; Berrouk, Abdallah S.; Siddiqui, Muhammad Salman; Awais, Ahmad Ali (Peer reviewed; Journal article, 2020)Since the precooler and the recuperator are the largest components of a supercritical carbon dioxide Brayton cycle, their design can substantially affect the performance and size of the whole system. Although the design ... -
Numerical modeling and parametric study of an innovative solar oven
Zafar, Hafiz Abdullah; Badar, Abdul Waheed; Butt, Fahad Sarfraz; Khan, Muhammad Yasin; Siddiqui, Muhammad Salman (Journal article; Peer reviewed, 2019)A unique design of a double glazed box-type solar oven with flat foldable external reflectors at the top and front and an internal reflector beneath the L-shaped absorber plate is numerically and parametrically studied. ... -
Numerical Modeling Framework for Wind Turbine Analysis & Atmospheric Boundary Layer Interaction
Siddiqui, Muhammad Salman; Rasheed, Adil; Tabib, Mandar; Kvamsdal, Trond (Chapter, 2017)Prevailing atmospheric conditions can have a significant impact on the performance of large mega-watt wind turbines. A purely experimental evaluation of this impact is currently not possible and hence numerical techniques ... -
On interactions between wind turbines and the marine boundary layer
Siddiqui, Muhammad Salman; Rasheed, Adil; Tabib, Mandar; Fonn, Eivind; Kvamsdal, Trond (Chapter; Peer reviewed, 2017)Most mesoscale models are developed with grid resolution in the range of kilometers. Therefore, they may require spatial averaging to analyze flow behavior over the domain of interest. In doing so, certain important features ... -
Quasi-Static & Dynamic Numerical Modeling of Full Scale NREL 5MW Wind Turbine
Siddiqui, Muhammad Salman; Rasheed, Adil; Tabib, Mandar; Kvamsdal, Trond (Journal article; Peer reviewed, 2017)Simulations of the National Renewable Energy Laboratory (NREL) 5MW wind turbine under quasi-static Multiple Reference Frame (MRF) and dynamic Sliding Mesh Interface (SMI) methodologies are presented. Two reference zone ...