Nappe

{
  "id": "MLC-T-IND-003847",
  "term": "Nappe",
  "field": "Industrial and trades",
  "definition": "A sheet or curtain of water that flows over the crest of a weir or spillway. The shape and characteristics of the nappe, such as whether it is free-discharging or clinging to the structure's face, are used to determine the flow rate. For a standard sharp-crested weir, the nappe must be fully aerated underneath for discharge calculations to be accurate.",
  "subject": "Hydraulics",
  "references": [
    "nappe - definition and meaning (Wordnik)"
  ],
  "translations": {
    "de": "Nappe",
    "es": "lámina",
    "fr": "nappe"
  },
  "url": "https://mlchart.com/terminology/industrial/nappe/"
}