Manufacturers and suppliers of Actual Cut Section Gear Box Car : (Constant Mesh) for engineering labs worldwide.
Actual Cut Section Gear Box Car : (Constant Mesh)....
Manufacturers and suppliers of Actual Cut Section Gear Box Car : (Sliding Mesh) for engineering labs worldwide.
Actual Cut Section Gear Box Car : (Sliding Mesh)....
Manufacturers and suppliers of Actual Cut Section Gear Box Jeep: (Synchronic Mesh) for engineering labs worldwide.
Actual Cut Section Gear Box Jeep: (Synchronic Mesh)....
Manufacturers and suppliers of Actual Working Model of Power Steering for engineering labs worldwide.
Actual Working Model of Power Steering....
Manufacturers and suppliers of Actual Working Model of Steering for engineering labs worldwide.
Actual Working Model of Steering....
Manufacturers and suppliers of Adaptive Delta & Sigma Modulation & Demodulation Trainer for engineering labs worldwide.
Adaptive Delta & Sigma Modulation & Demodulation Trainer....
Manufacturers and suppliers of ADC & DAC Interface Card for engineering labs worldwide.
ADC & DAC Interface Card....
Manufacturers and suppliers of Adc Interface Card for engineering labs worldwide.
Adc Interface Card....
Manufacturers and suppliers of Adc Interface Card for engineering labs worldwide.
Adc Interface Card....
Manufacturers and suppliers of Add and Count Rods for engineering labs worldwide.
Add and Count Rods....
Manufacturers and suppliers of Adjustable Doctor Stool for engineering labs worldwide.
Adjustable Doctor Stool....
Manufacturers and suppliers of Adjustable Spanner Wrench for engineering labs worldwide.
Adjustable Spanner Wrench
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Manufacturers and suppliers of Adjustable Wrench Set for engineering labs worldwide.
Adjustable Wrench Set
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Manufacturers and suppliers of Adjustment and Operation of Expansion Valves for engineering labs worldwide.
In the refrigeration circuit the expansion valves, also called primary controllers, also play an important role. The correct selection and adjustment decisively affects the capacity of the overall refrigeration system. The trainer enables the investigation of four different expansion valves: TEV (Thermostatic Expansion Valve) with internal pressure compensation, TEV with external pressure compensation, TEV with MOP function (Maximum Operating Pressure) and AEV (Automatic Expansion Valve). The expansion valves can be selected via valves. Via an evaporator with glass tubes the correct injection and evaporation of the refrigerant can be monitored. An additional electrically heated superheater at the output of the evaporator enables the investigation of the control behaviour with different refrigerant superheating. The locations of the temperature sensor at the evaporator output can be selected. The control behaviour can be monitored at a flow meter. Pressure and temperature sensors upstream and downstream of the expansion valve and at the evaporator outlet provide information about the state of the refrigerant and the degree of superheating. A commercial condensing unit completes the refrigeration circuit. The measured values can be read on digital displays. At the same time, the measured values can also be transmitted directly to a PC via USB. The data acquisition software is included. In the software the control behaviour of the expansion valves is recorded over time. The trainee can check the correct adjustment of the expansion valve and investigate effects such as hunting. The well-structured instructional material sets out the fundamentals and provides a step-by-step guide through the exercises. - operation and properties of the various expansion valves - investigation of the static control characteristic - investigation of the dynamic control behaviour - adjustment of the optimum operating point - benefits and disadvantages of the different expansion valves * thermostatic expansion valve (TEV) with internal pressure compensation * TEV with external pressure compensation * TEV with MOP function (Max. Operating Pressure) * pressure-controlled expansion valve (AEV) - hunting effect....
Manufacturers and suppliers of Adolescent Kit for engineering labs worldwide.
Adolescent Kit....
Manufacturers and suppliers of Adsorption for engineering labs worldwide.
demonstrates the removal of dissolved substances by adsorption. During adsorption the substances dissolved in the raw water are called adsorbate. A pump transports the water from a tank in a circuit with two adsorbers filled with activated carbon. The pump transports treated water to the first adsorber. A concentrated adsorbate solution is added to the treated water flow using a metering pump. The raw water produced in this way enters the adsorber and flows through the activated carbon fixed bed. Here the adsorbate adsorbs on the activated carbon. To remove any quantities of adsorbate still present from the water, the water then flows through a second adsorber (safety adsorber). The treated water is returned to the feed line of the first adsorber where concentrated adsorbate solution is added once again. This creates a closed water circuit. The flow rates of both pumps can be adjusted. Thereby the following parameters can be varied: - concentration of the adsorbate in the raw water - contact time of the raw water with the activated carbon The water temperature can be controlled. This allows for the temperature effect of the adsorption to be investigated. Flow rate, temperature and pressure are continuously measured. Sampling points are arranged in such a way that breakthrough curves and concentration profiles can be plotted. Analysis technology is required to evaluate the experiments. The choice of analysis technology depends on the adsorbate used. Methylene blue can e.g. be used as adsorbate. The concentration of methylene blue can be determined using a photometer. The well-structured instructional material sets out the fundamentals and provides a step-by-step guide through the experiments. - recording of concentration profiles - recording of breakthrough curves - relationship between concentration profiles and breakthrough curves - determining the mass transfer zone - an adsorber's mass balance - an adsorber's efficiency - predicting breakthrough curves - scale-up of the results to industrial scale - detection of the following influencing factors * contact time * temperature * mode of operation....
Manufacturers and suppliers of Adsorption and Membrane Separation Processes for engineering labs worldwide.
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Manufacturers and suppliers of Adsorption in Packed Bed for engineering labs worldwide.
Adsorption in Packed Bed....
Manufacturers and suppliers of Adsorptive Air Drying for engineering labs worldwide.
Adsorptive Air Drying....
Manufacturers and suppliers of Adsorptive Air Drying for engineering labs worldwide.
The has been specifically designed to enable the complex theoretical principles of adsorption processes to be explained clearly and comprehensibly by means of experimentation. A compressor draws in ambient air. The air flows through the water bath of a humidifier and thereafter has a relative humidity of 100%. Before the air flows from below into the adsorption column, its relative humidity and temperature are set using a heater. The humid air flows through the adsorbent (silica gel), which is placed as a fixed bed inside a transparent column. The quantity of humidity contained in the air is adsorbed in the process. The adsorbent contains an indicator. The colour of this indicator shows the position of the mass transfer zone (MTZ). The air dried in this way exits the column and flows out into the open. To regenerate the adsorbent, ambient air is drawn in by a second compressor. The air is heated and flows from above into the column. This desorption process can also be observed through the transparent column. The trainer enables simultaneous investigation of the adsorption and desorption processes. Once the capacity of the adsorbent in one column is exhausted, the humid air is fed through a second column with regenerated adsorbent to dry it. A circuit system featuring a pump and a refrigeration system is provided to adjust the temperature of the water bath in the humidifier. The temperature and humidity of the air being dried are adjusted by software. The flow rates of the two air flows can be adjusted by valves. By recording the relative humidities and temperatures at all relevant points, the two processes can be fully balanced. The measured values are recorded by software. The software permits the adsorption and desorption processes to be depicted in a h-ω diagram and enables breakthrough curves to be plotted. The well-structured instructional material sets out the fundamentals and provides a step-by-step guide through the experiments. fundamental principle of adsorption and desorption - investigation of the variables influencing adsorption and desorption * air flow rates * air humidity and temperature * bed height of adsorbent - depiction of the processes in a h-ω diagram - plotting of breakthrough curves and determination of breakthrough time....
