The LMI P18 peristaltic pump is specified to have a maximum flow of 2mL per stroke and 100Hz, 3.33ml/s, any pressures approaching 1.5 bar will reduce this.
On 12 October 2011 20:48, Robert Leguillon <[email protected]>wrote: > Facepalm. > > The inflow rate is NOT well regulated, nor is it 15 l/h. > It was very, very well measured in the September test, and we can learn a > lot from it. > In the September test, before the pump was hooked up, they measure 15.8 > kg/hr (4.38g/s) consumption. Once connected to the E-Cat, it dropped to > 13.76 kg/hr (3.8g/s), then at boiling, it dropped to 11.08 kg/hr > (3.07g/s). This is just to demonstrate that the pump does not have > consistent performance in the presence of any resistance. For calculations, > we cannot rely on this flow rate, because the September/October tests may > not entirely correlate. > We know that in the October test, it was not running at full speed, because > they TURN IT UP during quenching. > > > September Test: > Added water during start up, from 18:30: 15640 + 9380 + 9473 + 9959 = 44452 > grams. Remaining in the inlet reservoir when the temperature inside the > E-cat reached 100°C at 21:07: 8431 grams. Consumed in 2:37 hours (2.62 > hours): 36021 grams Flow during start-up: 13.76 kg/hour > Added water from 21:07: 8431 + 10089 + 10460 + 6591 + 9960 = 45531 grams. > Remaining in the inlet reservoir at 23:10: 22823 grams. Consumed in 2:03 > hours (2.05 hours): 22708 grams Flow during boiling: 11.08 kg/hour. > Total running time >100°C: 2:05 (2.08) hours > Total flow >100 degrees (from 21:05): 23.0 kg > > > > We can't trust the thermocouples at the secondary, and we can't trust the > flow rate (or possibly the temperature, either) at the primary, this test is > just a joke. >
