Experimental Equipment Product List and Ranking from 43 Manufacturers, Suppliers and Companies

Tabletop wind tunnel experimental device

This open-type suction wind tunnel allows for a wide range of experiments related to fluid dynamics, despite its compact design. It consists of a large bell mouth with a honeycomb, a two-dimensional converging nozzle, an experimental area (125x125mm), a diffusion section, a protective mesh, a variable-speed fan, and a silencer unit, achieving a flow with minimal turbulence. The included manometers (6 units) and two Pitot tubes positioned before and after the experimental area measure the wind speed and pressure distribution in the wake of the model. The experimental area has four sides made of transparent acrylic panels, with the front and back panels being removable. The device comes with a single force balance measurement system and three types of experimental models (a cylindrical model with pressure holes, a NACA0012 wing model, and a flat plate model), allowing for immediate experiments on drag or lift, as well as pressure distribution experiments around a cylinder. The drag or lift (N) is digitally displayed on the included display unit. Additionally, the single force balance measurement system can be mounted on the underside of the experimental area, enabling the measurement of drag (N) using original test specimens created with a 3D printer or similar methods.

Company：メガケム
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Small wind tunnel experimental device 305

This open-type suction wind tunnel can conduct a wide range of experiments related to fluid dynamics while maintaining a compact design. It consists of a large bell mouth, a two-dimensional converging nozzle, an experimental area (305x305x600mm), a diffusion section, a protective mesh, an axial fan, and a silencer unit, achieving a flow with minimal turbulence. The control unit (desktop type) regulates the rotational speed of the axial fan and controls the flow velocity in the experimental area. The wind tunnel and control unit, mounted on a caster-equipped frame, are designed to be very compact, making it easy to change their arrangement. Various options can be added according to the experimental objectives. The optional data automatic collection system VDAS (sold separately) can display measurement data in real-time on a computer (sold separately) and can calculate and graph the collected data, facilitating smooth progress in experiments.

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Smoke wind tunnel experimental device

This is a specially designed small wind tunnel to visualize the airflow around a model. The compact device can be demonstrated in various locations, such as classrooms, regardless of the laboratory setting, and can be easily moved and stored when not in use. The airflow moves from the bottom to the top. Air entering from the bottom of the device passes through a contraction section and a comb-shaped nozzle, then enters observation ducts illuminated on both sides. The lighting clarifies the streamlines around the model. There is a variable-speed fan at the duct exit that adjusts the flow rate based on volume. A smoke generator is located beneath the device. Smoke (oil droplets) is produced by heated vegetable oil and carbon dioxide supplied from a tank, and is sent to the comb-shaped nozzle. From the comb-shaped nozzle, 23 streamlines are released to observe the airflow around the model.

Company：メガケム
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Flight demonstration wind tunnel testing device

Flight demonstration wind tunnel experimental device

This is a device specially designed to conduct extensive experiments on the takeoff, flight, and landing of aircraft. The aircraft model in the suction-type open wind tunnel consists of two propellers, a main wing with a chord length of 152mm (NACA2412), and a fully movable tail with a chord length of 76mm. Air flowing in from the bell mouth is discharged from the device through a rectifying honeycomb, the experimental area equipped with the aircraft, a diffusion body, an axial fan, and a silencer duct. The control wheel located at the front of the experimental area manipulates the tail angle of the aircraft model, while the lever resembling the engine throttle on the right side controls the wind speed within the wind tunnel.

Company：メガケム
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Wind power generation experimental device

This is an experimental device for learning the basics of wind power generation, equipped with a 70W wind turbine and a φ400mm axial fan wind tunnel, mounted on a movable caster frame. Air drawn in from the left bell mouth passes through a honeycomb, anemometer, wind turbine, safety mesh, axial fan, and silencer duct before being discharged. Experiments are conducted while manipulating wind speed, blade pitch, yaw angle, and turbine speed (load resistance), with parameters such as blade pitch, yaw angle, turbine rotation speed (rpm), and current output (A) digitally displayed on the control box. Additionally, using the accompanying software (VDAS), wind speed (m/s), output (W), generator voltage (V), and other data can be automatically calculated in real-time, allowing for efficient collection of experimental data on a PC (sold separately). Transparent observation windows are installed at the front and back of the experimental area, and the front opening door is equipped with an interlock safety mechanism.

Company：メガケム
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Refrigeration cycle experimental apparatus

This is a tabletop refrigeration system using refrigerant R134a. You will learn about the pressure-enthalpy diagram (p-h diagram) and derive subcooling and superheating, as well as the coefficient of performance (COP) from the enthalpy changes. The refrigeration circuit is equipped with high and low pressure gauges, pressure switches, a thermal expansion valve, a sight glass, and a dryer. The evaporator coil (evaporator) and condenser coil (condenser) submerged in the water tank accurately collect temperature changes, clearly demonstrating the heat pump. The water in the tank is circulated by a pump to maintain a steady state. High and low pressures and temperatures of each component are digitally displayed on the control panel's LCD screen, and various data can be displayed and collected on a PC (sold separately) using the included VDAS software. The compressor inlet temperature, thermal expansion valve inlet temperature, and low and high pressures are used to plot the p-h diagram, calculating cooling effect and heating effect (kJ/kg), compressor work (kJ/kg), cooling coefficient of performance (COPc), heating coefficient of performance (COPh), degree of subcooling (K), degree of superheating (K), and more.

Company：メガケム
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Air Conditioning System Experimental Equipment

The air conditioning systems widely used in various industries and for improving living standards not only maintain comfort in daily life but also refer to the control of industrial process environments. The air conditioning system experimental device EC1501V demonstrates the cooling and dehumidification processes as well as the thermodynamic processes of refrigeration systems. The tabletop experimental device using R134a as the refrigerant is equipped with an evaporator in the center of the open duct, a fan at the right end, and a disk for flow adjustment. The transparent acrylic plate at the front allows for observation of the internal sensors and evaporator. The temperature of the refrigeration system, the temperature and humidity at the duct's inlet and outlet, and the high and low pressures are digitally displayed on the control panel's LCD display. Additionally, using the included VDAS software, various data can be displayed and collected on a PC (sold separately), and p-h diagrams and psychrometric charts can be drawn.

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TD1 Forced Convection Heat Transfer Experimental Device

Forced convection heat transfer experimental apparatus

This study examines the theory of heat transfer due to forced convection and various formulas related to forced convection in pipes. The apparatus consists of an electric fan, a heater-equipped copper pipe covered with insulation, a measuring display, and a control panel. The air drawn in by the fan and flow control valve enters the test copper pipe (with an inner diameter of 32mm) through an orifice. The air, heated by the heater, is discharged outside while passing through each measurement point. The control panel is equipped with four sets of manometers to measure the pressure loss of the fan, orifice flow rate, pressure loss in the copper pipe, and the differential pressure of the Pitot tube. Additionally, a temperature switch displays the temperatures from 14 thermocouples installed at various points on the copper pipe. The thermocouples are installed at seven locations on the outer surface of the copper pipe, three locations on the outer surface of the insulation pipe, and three locations on the inner surface of the insulation pipe. A Pitot tube with thermocouples is also included to measure the velocity distribution in the cross-section of the copper pipe. To avoid overheating, the heater is designed to stop when the air is not flowing as specified.

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TD1001 Charles's Law Experimental Apparatus

Charles's Law experimental apparatus

This is a tabletop experimental device that demonstrates Charles's (Gay-Lussac's) law, which shows that the volume of an ideal gas is proportional to its absolute temperature when the pressure is constant. A pressure sensor and three thermocouples are installed in a heated adiabatic container, and the measurement data is displayed digitally. One thermocouple measures the surface temperature of the heater for control, while the other two measure the air temperature inside the container. The digital display shows the pressure inside the container, the air temperatures at two locations, and their average value. It measures the relationship between the pressure and temperature of an ideal gas (air) to demonstrate Charles's law. The device can also operate in reverse. By heating with the valve open and releasing the air inside the container before closing the valve, it records the pressure and temperature drop as the container cools down. This allows for results to be obtained under various starting points and ambient conditions. The optional VDAS automatic recording function is useful for slow natural cooling experiments. By using the optional (sold separately) data acquisition system (VDAS-B), various data can be collected and analyzed in real-time on a PC (sold separately).

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TD1002 Thermal Conductivity Experiment Apparatus

Heat conduction experimental apparatus

This is a tabletop experimental device for comparing and verifying the thermal conductivity and heat transfer rates of various metals. The heat transfer experimental device consists of a heater power supply and a measurement data display unit, and experiments are conducted by attaching one of the optional items TD1002a to d (sold separately). The heat transfer experimental device (TD1002) supplies variable current to the heater of the optional device, and a safety switch prevents the heater from overheating. In the spare space on the right side of the device, an optional (sold separately) data automatic collection system (VDAS-F) can be installed, allowing for real-time collection and analysis of various data to a PC (sold separately) using the data automatic collection system.

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TD1005 Natural and Forced Convection Heat Transfer Experimental Device

Natural and forced convection heat transfer experimental apparatus

This is a tabletop experimental device that conducts experiments on natural convection, forced convection, and heat transfer using heater modules with different surface shapes. The device consists of a duct measuring 128mm x 75mm, a removable fan, and three types of heater modules. Three thermocouples measure the temperature at the inlet and outlet of the duct, as well as the surface temperature of the heater modules. Additionally, a manual thermocouple is included to measure the surface temperature at six locations along the module from the side of the duct. The measured temperatures and wind speeds are displayed in real-time on a digital display. Furthermore, by using an optional (sold separately) data acquisition system (VDAS-B), various data can be collected and analyzed in real-time on a PC (sold separately).

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TD1008 Peltier and Seebeck Effect Experimental Device

Peltier and Seebeck effect experimental apparatus

This is a tabletop device that conducts performance experiments on thermoelectric power generation using the Peltier effect, which creates a temperature difference from the voltage between dissimilar metals, and the Seebeck effect, which generates voltage from a temperature difference. In the Seebeck effect experiment, the voltage generated from the temperature difference between the cooling surface and the hot surface of the device is measured using cold water from an external source and variable electric heater output. In the Peltier effect experiment, the surface temperature difference of the device is measured by adjusting the electric heater, water storage tank, and water supply pump. By accurately measuring the flow of water, the amount of heat transfer can be calculated, allowing for the evaluation of performance based on temperature gradient and power, as well as the analysis of the coefficient of performance (COP) and energy balance in each mode. The device panel features a schematic diagram and digitally displays heater output (W), cooling water inlet temperature (°C), device surface temperatures (top and bottom), voltage, current, and power. By using the optional (sold separately) data automatic collection system (VDAS-B), various data can be collected in real-time to a PC (sold separately), enabling the analysis of experimental results.

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TD1050 Steam Engine and Energy Conversion Experiment Device

Steam engine and energy conversion experimental device

You will learn the basic principles of thermodynamics, heat energy conversion, and power measurement using a boiler and steam engine. Water pumped from the storage tank by the feedwater pump is heated in the boiler and turns into steam, which drives a two-cylinder steam engine. The steam that exits the engine passes through a water-cooled condenser and enters a drainage tank or steam measurement container. A manually operated load device connected to the steam engine measures the engine's rotational speed, torque, and output, while thermocouples measure the temperature inside the boiler, the temperature of the throttling calorimeter, and the inlet and outlet temperatures of the cooling water for the condenser, displaying them digitally. The throttling calorimeter measures the dryness of the steam based on the heat quantity. Two analog gauges display the inlet pressure of the boiler and engine, and an electric meter shows the heater power. The analysis of the Rankine cycle and verification of steam plant performance, including the Mollier diagram, clarify the relationship between pressure and temperature through boiler experiments with saturated steam. For safety, if the water level in the boiler drops and the heater overheats, the heater will automatically stop, and a lamp will light up. Additionally, the safety valve of the boiler limits the pressure.

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TE78 Boiling and Condensation Heat Transfer Experimental Device

Boiling and condensation heat transfer experimental apparatus

The device consists of a main unit made up of a glass container, a heating heater, a water circulation pump, a heating wire test specimen, and a water-cooled cylinder test specimen (with copper oxide surface and gold-plated surface), as well as a control unit composed of a wire temperature adjustment volume and a digital display (showing water temperature, water flow rate, voltage, and current). In the boiling heat transfer experiment, the heater wire (resistor) placed inside the glass container is heated, and the transition from subcooled boiling to nucleate boiling and unstable film boiling is observed, drawing a boiling curve based on heat flux and degree of superheat. This metal wire generates high heat exceeding 100°C. In the condensation heat transfer experiment, the heat transfer due to the condensation phenomenon that occurs when steam contacts the surface of the water-cooled cylinder test specimen placed inside the glass container is measured. The heat transfer rate is derived from the temperature changes at the inlet and outlet of the water flowing through the cylinder test specimen and the flow rate. To clarify the effect of surface finishing on heat transfer, there are two types of finishes on the cylinder test specimen: gold plating and oxide film finishing, which reveal the differences between filmwise and dropwise condensation. By using the optional data automatic collection system VDAS-B (sold separately), various data can be collected and analyzed in real-time on a PC (sold separately).

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4372C Stirling Engine Performance Testing Device

Stirling engine performance testing apparatus

This is a very suitable teaching material for demonstrating thermal engineering, as it is a heat engine close to the Carnot cycle that heats and cools the gas inside the cylinder, converting the thermal energy from its volume changes into work. The power generated by the engine is converted into electrical energy (W) using a motor generator or into mechanical energy (Nm) using a torque meter. Additionally, experiments on a refrigeration cycle can be conducted using an external power source (sold separately). The included interface and software can display in real-time the cylinder pressure (kPa), rotational speed (rpm), cylinder volume (cm³), crank angle, and temperature data for both the heating and cooling sides of the displacer on a PC (sold separately), as well as plot P-V diagrams and estimate the efficiency of the Stirling engine.

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Experimental Equipment Product List and Ranking from 43 Manufacturers, Suppliers and Companies

Experimental Equipment Manufacturer, Suppliers and Company Rankings

Experimental Equipment Product ranking