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Recycle Loops 

Altec Labs Home  »  Thermodynamics Lab ยป Recycle Loops
Altec Labs Manufacturers for Recycle Loops from India  
Recycle Loops  Name
 
(Code - ALABS-A175-002 ) | Altec Export Lab Specification:
Recycle Loops : Recycle Loops
  • A benchtop unit comprising a vacuum formed ABS plastic plinth with integral electrical console on to which is mounted a through pipe with a recycle loop which incorporates a circulating pump and heater.
  • A pressure regulator with filter at the inlet to the apparatus minimises the effect of fluctuations in the cold water supply pressure. Water in the recycle loop is heated by a 2 kW electric heater with over-temperature protection. Flow in the loop can be varied from 0 (no recycle) to 3 litres/ min. The through flow of water can be varied from 0 to 1.5 litres/min.
  • Temperatures at the entry to the system, at the exit from the system and inside the recycle loop are measured using type K thermo couples. Flow rates at corresponding locations are measured using turbine type flow sensors. A reservoir with self-sealing fittings allows the volume of the loop to be changed.
  • All electrical circuits are protected by appropriate protection devices.
  • The console incorporates a digital meter with selector switch, which displays the temperatures and flow rates measured. Corresponding signals are routed to an I/O port for connection to a PC.
  • An optional interface device and educational software package is available. A comprehensive instruction manual is included with a range of fully detailed Laboratory Teaching Exercises.
Key Features:
  • The small-scale of the loop ensures that responses can be fully evaluated in a normal laboratory session
  • Water is used as the working fluid for safety and ease of use
  • All electrical sensors can be logged using a PC (optional teaching software available)
Description:

A benchtop unit designed to introduce students to the characteristics of a recycle loop and the typical responses under steady state and unsteady state conditions. The apparatus consists of a through pipe conveying water from a cold water supply to a suitable drain with a loop of pipework connected between the supply and drain connections. This recycle loop incorporates a circulating pump and a heater to raise the temperature of the water in the loop. The heater can be switched on or off to generate step changes when investigating the transient responses of the recycle loop. A pair of self-sealing fittings allows a short length of pipe or a reservoir to be connected in series with the recycle loop to change the volume of the loop and demonstrate the effect of residence time. The arrangement also allows different lengths of flexible tubing to be connected in series with the loop if it is required to create further changes in residence time. Water temperatures at the inlet, outlet and within the recycle loop are measured using type K thermocouples. Water flowrates at the corresponding locations are measured using miniature turbine type flow sensors. Flow sensors are included at the outlet as well as the inlet to show that these two flow rates are always equal (a simple principle that is often confusing when water is flowing through the recycle loop).

 

   

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