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What should eccentricity be on a steam turbine while starting?
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What is eccentricity in steam turbine shaft?
Eccentricity is the deflection in the shaft away from truly straight. The turbine shaft when not turning will settle into a bowed shape (measured in thousandths of an inch), this is the deflection from straight. Large turbines are placed on turning gears as they are cooled or warmed up to minimize this deflection. As a turbine is started this eccentricity produces vibration as the deflection changes rotational position, if the turbine is started up too quickly this deflection will increase as a result of inertia trying to deflect the weight of the deflected shaft outward. Eventually the deflection, as a result of rolling the turbine up slowly, will straighten to the true center of the turbine shaft.
What should eccentricity be on a steam turbine before startup?
eccentricity measurementof shaft at slow roll speed. WITH BEST RGARD AZIZ JAMALI SR SUPERVISOR INSTRUMENT FFBL KARACHI PAK AZIZ.JAMALI@YAHOO.COM +923462243209
Which planet has an orbital eccentricity most like the orbital eccentricity of the moon?
Mercury has an orbital eccentricity most similar to the moon's orbital eccentricity, which is about 0.2056. Mercury's eccentricity is approximately 0.206.
What is a the eccentricity of a circle?
Eccentricity is only present in ovals and ellipses. A circle is present. The eccentricity of an oval or ellipse is how linear it is.
What is the name of an object with a eccentricity of zero?
The eccentricity of the circle is zero.
What is the eccentricity of the asteroid psyche?
The eccentricity of Psyche's orbit is 0.140
What is Earth's orbit eccentricity?
0.016710220 is the Earth's orbital eccentricity
What are some sentences for eccentricity?
"The old man's eccentricity was worrying." "Eccentricity is for the rich - the poor man is simply mad." "I am conducting a study of perceptions of eccentricity in different cultural groups." "Eccentricity should not be considered to be a negative aspect of personality, but rather a fascinating idiosyncrasy."
What orbit has the eccentricity that is closest to 0?
Of the planets in our solar system, Venus has the smallest eccentricity.
What is the eccentricity of 1?
The eccentricity of a conic section is a measure of its deviation from being circular. An eccentricity of 1 indicates a parabola, meaning the curve opens indefinitely and does not close back on itself, unlike ellipses (eccentricity less than 1) or hyperbolas (eccentricity greater than 1). Therefore, a conic section with an eccentricity of 1 represents a parabolic shape.
Which planet has an orbital eccentricity most like the orbital eccentricity of the earth?
The Earths orbit is fairly un-eccentric when compared to the other planets, with only Neptune and Venus having more regular (less eccentric) orbits. The eccentricity of earths orbit is 0.0167, the closest to this is Neptune's, with a value of 0.00859
