• christmas tree (oil well)

    Christmas tree (oil well)

    In petroleum and natural gas extraction, a Christmas tree, or "tree", is an assembly of valves, spools, and fittings used to regulate the flow of pipes in an oil well, gas well, water injection well, water disposal well, gas injection well, condensate well and other types of

  • learn about steam

    Learn about steam

    Fluid characteristics and flow theory (including Bernoulli's theorem and Reynolds' numbers) are introduced and developed to provide basic metering theory and techniques.

  • grid-tied, off-grid and hybrid solar systems - energy informative

    Grid-Tied, Off-Grid and Hybrid Solar Systems - Energy Informative

    The output voltage is also adjusted slightly higher than the grid voltage in order for excess electricity to flow outwards to the grid. Micro-Inverters