The primary objective of this study was the performance
assessment of micro-steam turbine-alternator mounted on developed adjustable
steel-framed bed when their shafts were either axially connected together with
flexible flange coupling or transversely with sets of belt and pulley power
transmission. An adjustable bed is a supporting structure designed to provide a
seating base or platform, for a 5.0 KW micro steam turbine generator plant
prior to its mounting on a block-type concrete foundation. Development of an
adjustable bed for a micro-turbine electric power generator plant is crucial
for optimizing performance and efficiency in diverse operational conditions.
This advancement contributes valuable insights to the scientific community,
fostering advancements in micro-turbine technology for sustainable and reliable
power generation. Design of bed frame and flanges was carried out by
considering the predetermined weights of turbine and generator (alternator). On
this basis steel materials of U-channels and angle irons were used in the
fabrication of the generator bed. We considered flexible flange coupling and
sets of belt and pulley system for effective and efficient power transmission
between the main components of the micro-steam thermal power plant (steam
generator and alternator) and engagement/ disengagement of these components to
facilitate their orientation with reference to their supporting steel-framed
structure which serves as the bed. During assembly the bed was made to
accommodate damping materials in order to reduce the vibration of the plant.
The performance of the unit with or without vibration isolator when they are
axially connected with flexible flange coupling or transversely connected with
sets of belt and pulley, in succession respectively. The results showed that
reduction in the force transmitted to the supporting structure occurred when
the vibration produced by the unit is isolated from its base by the use of
vibration isolator, maximum reduction of 99.95 % achieved when axially coupled
and 99.91% when transversely connected with belt and pulley system.
Author(s) Details:
Aina Rasheed,
Department of Industrial and Production Engineering, The Federal
University of Technology, Akure, Nigeria.
Buliaminu Kareem,
Department
of Industrial and Production Engineering, The Federal University of Technology,
Akure, Nigeria.
Please see the link here: https://stm.bookpi.org/TAER-V5/article/view/13344
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