Energy harvesting via piezoceramics in unmanned aerial vehicles by Ng, Nicholas Jun Hao

“…Experimentation was carried out on the UAV prototype with a wing span of 0.54 metres in a wind tunnel facility to simulate the real-time flight condition at 20 m/s using two different sized piezoceramic materials respectively. …”
Get full text

Span load modification via differential spoiler setting by Elsayed, Omer Ali, Asrar, Waqar, Omar, Ashraf Ali

“…Particle image velocimetry (PIV) was used to measure the cross flow velocities downstream the model at IIUM low speed wind tunnel. Results reveals a noticeable inboard shift of wing loading for deflected spoiler numbers 5 and 6 at 30o and 40o with jumps in the span load distribution as an indication for the strength of individual vortices (wing/flap vortices). …”
Get full text

Evaluation of aircraft wing-tip vortex using PIV by Elsayed, Omer Ali, Asrar, Waqar, Omar, Ashraf Ali

“…Particle image velocimetry was used in a wind tunnel to measure the tip vortex velocity field and hence investigate the flow structure in a wake of aircraft half-wing model. …”
Get full text

A field-based parameterisation of wind flow recovery in the lee of dryland plants by Mayaud, J, Wiggs, G, Bailey, R

“…Despite a wealth of studies investigating the impact of vegetation and windbreaks on windflow in controlled wind-tunnel and modelling environments, there is still a paucity of empirical field data for accurately parameterising the effect of vegetation in wind and sediment transport models. …”

Landsat identifies aeolian dust emission dynamics at the landform scale by von Holdt, J, Eckardt, F, Wiggs, G

“…Emissivity tests were undertaken using a PI-SWERL portable wind tunnel in three of the major dust producing river systems along the Namib coast, namely the Kuiseb, Omaruru and Huab Rivers. …”

Heat transfer coefficient distributions for the convective cooling of non-cylindrical geometries in crossflow using extended surfaces by Neely, A, Ireland, P, Harper, L

“…Perspex models coated with thermochromic liquid crystal were tested at a range of Reynolds numbers in a heat transfer wind tunnel in which a step change in flow temperature was used to measure the transient thermal behaviour of the fins. …”

Skyscrapers architectural form effects on airflow by Soo, Cindel Yung Yung, Lokman Hakim Ismail, Izudinshah Abd Wahab, Nur Amalina Hanapi

“…Basic shapes and modified shapes of square prism, cylindrical and pyramidal were tested through wind tunnel using Airflow meter with Pitot tube to determine the aerodynamic characteristics in winds from different directions. …”
Get full text

Computational fluid dynamics simulation of drag reduction by riblets on automobile by Ghazali, N.N.N., Yau, Y.H., Badarudin, A., Lim, Y.C.

“…In this study, the simulation of turbulent flows over an automobile in a virtual wind tunnel has been conducted by computational fluid dynamics (CFD). …”
Get full text

Aerodynamics effects of APC slow flyer propeller blade design with different airfoil origin positions by Ahmad Faris, Ahmad Fariduddin, Basri, Adi Azriff, Basri, Ernnie Illyani, Hameed Sultan, Mohammed Thariq, Ahmad, Kamarul Arifin

“…The result of thrust, power coefficients and efficiencies are validated with the existing experimental wind tunnel data. All in all, the results show that propeller design with 100% AOP generates better aerodynamic performance than the one with 25% AOP by 7.473%, -5.587% and 15.891% in terms of thrust, coefficient of power and efficiency, respectively. …”

Multidisciplinary design of a high lift device using shape memory alloy actuator by Amir, Shakirin, Abdullah, Ermira Junita

“…The SMA actuator is designed to provide the required actuation force to achieve the trailing edge deflection. A wind tunnel testing is performed to verify the lift and drag coefficient produced by the high lift device. …”

Attraction of female and male oriental fruit flies to conspecific males and mating competition following consumption of zingerone and ethyl vanillate. by Hee, Alvin K.W., Wee, Suk-Ling, Tan, Keng-Hong, Ritsuo, Nishida

“…We studied the attraction of virgin females and males of the Oriental fruit fly, Bactrocera dorsalis, to conspecific males fed with either Z or EV in a wind tunnel. Concomitant with decreasing light intensity, males fed with either Z attracted significantly higher numbers of conspecific males and females during the courtship period at dusk. …”
Get full text

Aerodynamic performance of shark skin shape vortex generator by Zulkefli, Nur Faraihan, Ahamat, Mohamad Asmidzam, Mohd Safri, Nurul Fatihah, Mohd Nur, Nurhayati, Mohd Rafie, Azmin Shakrine

“…The lift and drag coefficients of NACA 4415 airfoils without vortex generator, with triangular or shark skin shape vortex generators were obtained from wind tunnel tests. For the airfoil with shark skin shape vortex generator, its performance was compared with the results from computational fluid dynamics simulation. …”
Get full text

Preliminary Stability Estimation And Analysis Of Aeromech I Uav Using Datcom Software by Abdullah , Azizul

“…Conventional methods such as wind tunnel test, flight test and Computational Fluid Dynamics (CFD) are used for the estimation and analysis of the stability during aircraft design process. …”
Get full text

Wind Induced Noise In Microphone Cavity Of Two Way Radio by Husein, Nur Syuhadah

“…Noise measurement due to wind flow of a two-way radio and its bigger scale model (specimen) was referred to a study that was conducted inside an open-loop wind tunnel. A Computational Fluid Dynamics (CFD) analysis was performed based on the noise measurement wind speed. …”
Get full text

The Effect of Different Reynolds Number On Solid Sphere Using CFD and Its Verification by Azahar, Mohamad Amirur Rahman, Ishak, Izuan Amin, Sulaiman, Syabillah, Jaat, Norrizam, Zulkifli, Abdul Fathul Hakim, Sukiman, Safra Liyana, Osman, Kahar, Darlis, Nofrizalidris

“…The numerical results are later compared with experimental data collected from wind tunnel. At the end of the study, the nature flow around spherical models of different Reynolds number are visualized. …”
Get full text

Effect of Reynolds number on the wake of a Next-Generation High-Speed Train using CFD analysis by Arafat, Mohammad, Ishak, Izuan Amin, Mohammad, Ahmad Faiz, Khalid, Amir, Mohmad Jaát, Md. Norrizam, Yasak, Mohd Fuad

“…In addition, the simulation results were compared with the previous wind tunnel experimental data. The results indicated no significant changes in the overall wake flow structure when Re was increased. …”
Get full text

Flow visualisation over the low sweep Unmanned Combat Aerial Vehicle (UCAV) configuration by Haider, Bilal, Mansor, Shuhaimi, Mat, Shabudin, Nasir, Nazri

“…The experiments were carried out in Universiti Teknologi Malaysia Low-Speed wind Tunnel (UTM-LST), and the computational work was done using Ansys Fluent. …”

Flow characterization of low sweep MULDICON wing at low speed by Haider, Bilal, Mansor, Shuhaimi, Mat, Shabudin, Nasir, Nazri

“…During the experiments steady-state loading, dynamic loading and flow visualization wind tunnel methods were used. Findings: The standard deviation quantified the unsteadiness and uncertainties of flow topology and predicted that they significantly affect the pitching moment (Cm) at medium to higher AOA. …”

Aerodynamic parameters of urban building arrays with random geometries by Shaikh Salim, Sheikh Ahmad Zaki, Hagishima, Aya, Tanimoto, Jun, Ikegaya, Naoki

“…Furthermore, two types of 'randomness' are associated with the geometry of building arrays: the randomness of element heights (vertical) and that of the rotation angles of each block (horizontal). In this study, wind-tunnel experiments were conducted on seven types of urban building arrays with various roughness packing densities to measure the bulk drag coefficient Cd and mean wind profile; aerodynamic parameters such as roughness length zo and displacement height d were also estimated. …”

Experimental study of UTM-LST generic half model transport aircraft by Ujang, M. I., Mat, S., Perumal, K., Mohd Nasir, M. N.

“…This paper presents the experimental results from the investigation carried out at the UTM Low Speed wind tunnel facility (UTM-LST) on a half model generic transport aircraft at several configurations of primary control surfaces (flap, aileron and elevator). …”