mixing

In mathematics, mixing is an abstract concept originating from physics: the attempt to describe the irreversible thermodynamic process of mixing in the everyday world: mixing paint, mixing drinks, industrial mixing, etc.
The concept appears in ergodic theory—the study of stochastic processes and measure-preserving dynamical systems. Several different definitions for mixing exist, including strong mixing, weak mixing and topological mixing, with the last not requiring a measure to be defined. Some of the different definitions of mixing can be arranged in a hierarchical order; thus, strong mixing implies weak mixing. Furthermore, weak mixing (and thus also strong mixing) implies ergodicity: that is, every system that is weakly mixing is also ergodic (and so one says that mixing is a "stronger" notion than ergodicity).

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  1. R

    Triton t200re (old model) not mixing ?

    Hey guys, Been introduced to an old 'electric power shower' today, a Triton T200RE "POWER PACK". Some 15 - 20 years old, cold feeds into a pump/box in the roof space above the bathroom then feeds down to a small control box in the shower cubicle itself (via flexible 10mm pipeline) and...
  2. C

    Armitage Shanks Thermostatic Mixing Valve

    Can anyone tell me how to take the cover off one of these so I can adjust the temperature slightly? Nuastyle S7435aa Thermo Mixer Valve Cp I've tried pulling it to no avail... thanks!
    • cianelectric
    • Thread
    • armitage cold heating hot mixing mixing valve thermostat thermostatic valve
    • Replies: 2
    • Forum: Plumbing Jobs | The Job-board
  3. K

    No Hot Water from shower

    Hi I have a ferroli optimax he 31c. I have hot water from the main tap in the kitchen and central heating is fine. However i the water from the shower in the bathroom is very luke warm yet the water from the tap in the bathroom is fine. Does anyone have any idea what the problem may...
  4. N

    Taconova Thermostatic Mixing Valve suppliers

    Hello, the Thermostatic Mixing Valve on my thermal store has gone. I would like to do a direct replacement if possible. Does anyone know who may stock a Taconova 22mm 30-70 degree C TMV in the UK. I live in York if that helps. Thanks.
    • Neal
    • Thread
    • cold heating hot mixing mixing valve suppliers thermostat thermostatic valve
    • Replies: 5
    • Forum: Plumbing Jobs | The Job-board
  5. J

    Thermostatic Mixing valves

    Rules, regulations, pros, cons. Always fit or never fit? Also do they have to be balanced inlet pressures? do they increase pressure/ restrict pressure? can they be dangerous when faulty? I have got a job to do 2 bathrooms and deciding wether to start installing as standard (no kids in...
    • jase158
    • Thread
    • cold fitted heating hot mixing never pressure thermostat thermostatic valves
    • Replies: 5
    • Forum: Plumbing Jobs | The Job-board
  6. R

    Thermostatic mixing valves.

    A couple of questions about them... Will a single valve with 22mm connections be able to run 5 basins? Do they work with low pressure hot and high pressure cold?
  7. A

    Hot & Cold water not mixing

    Hi, I am a newbie here, hopefully find some help. The hot and cold water from any of the taps (1 in kitchen and 2 in toilets) are not mixing properly in my newly rented flat. I mean they come out as 2 separate streams. They mix to an extent only when the taps are opened more, but too much...
  8. L

    Backflow Prevention

    Hi All, if anyone has a copy of the water regulations guide, second edition page 6.37 second paragraph advises where a combination tap with water mixing in the body is used on balanced pressures single check valves should be used on both sides. If you turn the page 6.38 second paragraph seems to...
  9. M

    problem with TMV (thermo Mixing Valve)

    I have recently installed a TMV in my bathroom and it has been very tempramental with the Hot water. If i turn the temp down then cold comes through no problem. if i turn it up to provide controlled ho****er then tap stops. If i'm lucky then i will get nice hot water. so i know the thermo bit...
    • Markhales8
    • Thread
    • check mixing mixing valve pressure problem through tmv valve water
    • Replies: 11
    • Forum: Plumbing Jobs | The Job-board
  10. M

    Mixing plastic fittings with pipe

    Can i use hep2 fitting with john guest pipe for instance ?
    • marsaday
    • Thread
    • barrier between copper difference fittings mixing pipe plastic speedfit
    • Replies: 18
    • Forum: Plumbing Jobs | The Job-board
  11. D

    Cold water mixing with hot

    Hi all, Read a lot of articles on here & they have been very helpful! I have a problem though which I would be very grateful if anyone has any ideas what it could be : I have a combi-boiler & two mixer showers. One is a Bristan & the other is Altima? I cannot get any hot water from any of the...
  12. W

    Mixing pipe sizes - total noob

    Please help. Whilst I am a plumbing noob, I can turn my hand to most things - especially if I'm given a bit of advice along the way, and I'm hoping this is where you guys come in :-) We live on a really small, really remote little island. Our spring has dried up, so I am trying to cobble...
  13. E

    Altecnic Mixing Valve (22mm) with MX Service Valves

    Got a 30 of these if anyone is interested, will sell separate or how many you are wanting. They are all brand new still boxed. I am in glasgow would prefer collection but could arrange delivery at extra cost. Offers welcome
  14. T

    Satchwell 201011 mixing valve

    Morning one and all.. Trying to ID replacement valve. 1 &1/2" BSP, believed to be mixing valve as opposed to diverting, from pool h/ex..... No luck with normal suppliers, any nods in the right direction greatly appreciated!
  15. E

    3 or 4 port mixing valve

    Apologies if this has been asked before, I did have a search but couldn't find anything. I am living in France and fitting an oil fired boiler for central heating only, ie not water heating. It is pressured off the mains ( so expansion tank and relief valve fitted, not a header tank)...
  16. T

    Mixing water from two different feed source

    Hi, I'm new to this forum and kindly ask your assistance with an issue i need to solve. I need to mix water from two different water source - Reverse Osmosis and regular tap water. The pressure/water flow changes over time (filter condition) and i need to keep accurate mixture of both...
  17. G

    Thermostatic mixing valve

    I am moving my bathroom into another room in the house and installing a thermostatic mixing shower above my bath, i will be connecting the shower upto the hot and cold pipework for the bath taps, Do i connect the hot for the shower before the TMV for the hot tap or after
    • gates1979
    • Thread
    • after before cold connect heating hot mixing mixing valve output shower thermostat thermostatic valve
    • Replies: 7
    • Forum: Plumbing Jobs | The Job-board
  18. W

    Inta 22mm solar mixing valve

    High temperature solar mixing valve by Inta. Solar kit came with a new valve so not needed. Cost about ninety quid. Do it for £40 inlcuding postage.
  19. T

    Low pressure inline thermostatic mixing valve?

    Hi Gang Building regs in Scotland dictate a TMV must be installed, the DHW will be heated by gravity solid fuel stove/immersion heater, with a head of 2.8 metres. I need a low pressure TMV with a good flow rate for bath filling.. Can anyone recommend a good make/model? Thanks.
    • Triffid grower
    • Thread
    • bath cold dhw flow gravity heater heating hot immersion heater inline low pressure mixing mixing valve pressure thermostat thermostatic valve
    • Replies: 0
    • Forum: Plumbing Jobs | The Job-board
  20. R

    Mixing plastic pushfit joints with copper ones

    Hi, Is it safe to solder a copper joint onto a length of copper pipe that has a plastic push fit (twist type) connector on the other end of it? Is there a minimum safe distance of copper pipe between the plastic joint and the hot end? I'd like to replace some plastic CH joints with copper...
    • Richard81
    • Thread
    • compression joint connector copper error expansion fitting fix hot job joints kitchen leak mixing paint pipe pipes plastic plumber push fit pushfit safe wall washer
    • Replies: 10
    • Forum: Plumbing Jobs | The Job-board

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