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  • Damage To Internal Pump Components
    555 words
    CAVITATION Cause and Effect The word cavitation is a process that a Hydraulics Technician does not want to encounter. Cavitation can occur due to entrained air bubbles in the hydraulic fluid or vaporization of the hydraulic fluid. This occurs when the suction lift is excessive and the inlet-pressure falls below the vapor pressure (pressure which a liquid starts to boil and thus begins changing into vapor) of the liquid. As a result, air or vapor bubbles, which form in the low-pressure inlet regi...
  • Direct Use And Ground Source Heat Pumps
    3,579 words
    Whether the World Population stabilizes at 8 Billion or 10 Billion, both developing and developed nations will call for increasing amounts of energy as they strive to achieve higher standards of living. The oil crises twenty years ago gave rise to a debate about the availability of energy, adequacy of supply and the hunt for alternatives. Today, there is no shortage of energy, the question is how can we generate and deliver more of it with less environmental impact. Hence, the quest for increase...
  • Wreckage Of The Edmund Fitzgerald
    1,889 words
    The Edmund Fitzgerald: The Edmund Fitzgerald was built in River Rouge, Michigan in 1958 with the hull number 301 (McCall). The job was completed with the help of one thousand men. The Fitzgerald was seven hundred twenty nine feet long and was the largest freighter on the Great Lakes at the time. Mrs. Edmund Fitzgerald christened it on June 8, 1958 before sliding into the Detroit River (Nolan). The Fitzgerald set numerous shipping records before its last voyage. In 1964 it became the first Great ...
  • Diabetes Management With Insulin Injections
    2,831 words
    Diabetes Mellitus is a serious disease shared by 16 million Americans (PharmInfoNet 1). It is a disease characterized by a failure of the pancreas to produce enough if any insulin. Insulin is the chemical in the body that turns sugar into usable energy. "While it is treatable, diabetes is still a killer. The fourth leading cause of death in America, diabetes claims an estimated 178,000 lives each year. So the treatment is aimed at holding the disease in check, reversing it where possible, and pr...
  • Steam Into The Second Container
    658 words
    Norbert Rillieux Norbert Rillieux was born in New Orleans, Louisiana, on March 17, 1806. His mother, Constance Vivant was a freed slave from New Orleans, and his father, Vincent Rillieux, was a inventor and engineer. Vincent invented the steam-operated cotton baling press. Norbert's academic talents were seen at an early age by his father, and was sent to Paris to be educated. At the age of twenty-four, Norbert Rillieux was a teacher of applied mechanics at a school in Paris. In 1830, he put out...
  • Gasket From The Pump Housing
    417 words
    Today most of our electric power is produced by Nuclear Power Plants. Nuclear reactors must be constantly cooled in order to maintain a level of safety. There are two types of pumps used for cooling the reactor, the centrifical pump, and the circulating pump. The cooling water pump is a critical part in a nuclear plant and must be rebuilt continuously to avoid a reactor melt down. Here are some simple instructions that, if followed, will make your rebuild job safe, reliable and quick. First, loc...

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