![]() ![]() The Leak alerts tell me specifically how long my water is running, either from the inside or outside, especially when I am hand watering my lawn or performing other watering tasks outside. Calibration for this class of flume has been done empirically using other more accurate flow measurement devices to create each flumes discharge table. Just like budgeting my finances, Flume allows me to set daily, weekly and monthly budgets to control my usage. Unlike their long-throated counterparts, each style and size of short throated flume has their own set point of measurement Ha. Due to their curvilinear nature, each style and size of flume has its own highly specific relationship between rate of flow and Ha. They control the flow rate in a curvilinear manner rather than laminar-ly. Short-throated Flumes – A bit of a misnomer, short-throated flumes may actually be quite large in specified length. By creating a laminar flow, the discharge rate of long throated flumes can be calculated using fluid mechanics concepts and Ha can be measured anywhere above the throat section of the flume. Long-throated Flumes – Control the rate of flow with a throat long enough to create a laminar flow while still contained within the throat section. Longthroated flumes, with tolerances for high submergence ratios, require only one head measurement. The key difference lies in the type of throat, thus breaking flumes into two classes: For example, Parshall flumes require 3 to 4 times the absolute water surface fall through the structure for free-flow measurements than long-throated flumes (Bos et al., 1991). Flume enables customers to manage, monitor, and conserve water in their home. Depending on the style of flume, each of these sections will have a different shape and proportion. The Flume app connects with a Flume Water Sensor installed on your home’s water meter. ![]()
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