Full Scale Drift Tube Magnet Report Page: 11
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-11-
UCEL-1885
The curves shoum in Figs. 7 and 8 are the computed uniformity curves
determined by adding algebracally the magnetic fields taken from the uni-
of the three curves run at "required", ana *h1 n iana* current were
H?dl supplied
by dividing the value of this integral into the value of
produce this value of B were then found free the magnetization curve with
and full scale values is 5 percent.
The resultant field and its angle was computed free the measurements
«
are shown in Pigs. 9 through 16.
Axial Forces-
The full scale
ats between magnets 1 and 2 gave a force of
uta between magnet
2 and 3 gave a force of 1970 pounds, while nodal naaauraneeta gave 1680
• The fields are measured in terns of percent of the central field strength.
Uniformitz-
turns required are liated in Table I. The greatest variation between model
of axial and radial field on the drift tube surface. There were no model
a difference of about 3 percent. Pull scale
adjacent magnets on. These values for the current required and the cetera
with the neighboring full scale magnet on. The curves. Pigs. 7 and 8, were
identical. To find the current required to produce the required focussing,
thefIH2dl- was calculated from curves 7 and 8. The B2 required was found
formity measurements of adjacent individual magnets. The relative shapes
by L. B. Henrich- (See model report UCRL-1633.) The an per a a required to
measurements with which to c-~pare the full scale naaaur anenta. The results
pounds. This represents a drrerencecof 15 percent. Be error could be
188 pounds. Comparable model naaeurnBoate gave 193 pounds. This represents
2- 2 :
0*0 * •••
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Sewell, D. & Parmentier, H. Full Scale Drift Tube Magnet Report, report, July 1952; Berkeley, California. (https://digital.library.unt.edu/ark:/67531/metadc1255505/m1/11/: accessed July 18, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.