Aerodynamics experimental apparatus
This is a small wind tunnel experimental device with a test section of 100x50mm. It has a very compact design, allowing for easy movement and storage when not in use. It can be used in a wide range of experiments in combination with auxiliary equipment for demonstrations in lectures, practical training in laboratories, and student research projects. The air discharged from the blower flows into the test section through the rear duct, upper chamber, honeycomb, and converging section. The wind speed is derived using Bernoulli's theorem from the pressure in the test section and the chamber. This device has eight types of experimental setups available for separate purchase, ranging from AF11 to AF18, which can be easily attached to AF10. Each experimental setup can be purchased individually, and you are encouraged to consider configurations that meet your needs.
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basic information
AF10 Specification Experimental Port: 100 x 50mm Fan: Centrifugal Wind Speed: 0–30m/sec, 9M3/min Wind Speed Adjustment: Valve open/close type Pressure Hole Position: Inside the chamber, at the entrance of the experimental port Dimensions: W1000 x D800 x H2000mm Weight: Approximately 120Kg Power Supply: Single-phase AC100V 15A 50/60Hz or Single-phase AC200V 7A 50/60Hz Accessories: Flexible duct for external exhaust
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Applications/Examples of results
This device has eight types of experimental apparatus available for separate purchase, ranging from AF11 to AF18, which can be easily attached to AF10. Each experimental apparatus can be purchased individually, so please consider a configuration that meets your needs. Delivery records: Kanagawa University, Hiroshima Institute of Technology, Osaka Institute of Technology, Tokyo University of Science, Seikei University, Shizuoka University, Nihon University, Osaka Prefecture University, Tokyo City University, Yamato University, Hakodate National College of Technology, Kumamoto National College of Technology, Gunma National College of Technology, and Shokuno University.
Detailed information
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Delivery installation example
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Delivery installation example
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AF10A Multi-tube Manometer In various experiments conducted with the AF10, it is necessary to measure pressure at several points. This AF10A multi-tube manometer consists of 14 manometers (vinyl tubes) and a reservoir, and the inclination of the manometer plate can be adjusted to change the magnification.
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AF11 Bernoulli's Theorem Experimental Device Understanding how pressure changes with flow velocity in fluid dynamics is very important. The front of the 100×50mm duct is made of transparent acrylic with scales, and it comes with a removable liner to change the flow path. It includes a Pitot tube that can measure total pressure and static pressure along the flow, allowing for easy experimental verification of measured values against theoretical values, and a clear demonstration of Bernoulli's theorem.
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AF12 Air Resistance (Drag) Experiment Device It comes with test specimens of a cylinder, flat plate, and airfoil (NACA0020) that have the same projected area, and various drag forces are measured by operating a balance scale. Additionally, the included cylinder with pressure measurement holes can be connected to a manometer (sold separately) to measure the pressure distribution around the cylinder, while the Pitot tube measures the velocity distribution in the wake of the various test specimens.
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AF13 Circular Turbulent Jet Experiment Device The jet emitted from a cylindrical nozzle (diameter 51.6 mm) diffuses while dragging surrounding air and slows down. Using the attached Pitot tube and manometer (sold separately), the velocity distribution is measured at several locations downstream across the jet, and a distribution map is created. By analyzing these, the relationships between mass, momentum, and kinetic energy within the jet can be understood.
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AF14 Boundary Layer Experiment Device The fluid flowing along the surface of an object experiences a decrease in flow velocity due to viscosity, which becomes a major factor in the resistance of supersonic aircraft. The boundary layer has two distinct states: laminar flow and turbulent flow, each exhibiting completely different velocity distributions. The device includes smooth plates and rough plates to create different boundary layers, and the velocity distribution within the boundary layer is measured using the included wedge-shaped high-precision Pitot tube and manometer (sold separately).
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AF15 Flow Experiment Device Near the Bending Pipe When air flows through the bending pipe, the pressure increases on the outer wall and decreases on the inner wall. The bending pipe has 30 pressure ports. There are 10 ports on the outer side, 10 ports on the inner side, 9 ports at a 45-degree angle on the side, and 1 port at the entrance, which can be connected to a multi-tube manometer (sold separately) to measure the pressure at various points.
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AF16 Jet Attachment and Detachment Experimental Device This device demonstrates the fundamental transition phenomena from laminar to turbulent flow, as well as the attachment and detachment phenomena occurring at solid boundaries. By rearranging the three types of nozzle blocks included, the width of the jet outlet can be changed to 5.5, 8, 10, or 12.5 mm, and the spacing between the jet and the attachment wall can also be adjusted. Additionally, by adjusting the angle of the attachment wall and opening and closing the sealing plate, it demonstrates mechanisms equivalent to a "flip-flop" switch, among others.
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Megakemu designs, manufactures, and imports various experimental and practical equipment for universities, junior colleges, technical colleges, high schools, and vocational schools nationwide. While the world has made advancements in various fields, it seems that our Earth's environment is being disturbed by ourselves and is approaching its limits. The world is seeking new Japanese technologies that coexist with the Earth's environment.