Search
Now showing items 51-60 of 111
Recip Pump on Unstable Condensate
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)
Pump Design Conditions, Sealing/Packing System Design Features, Sealing/Packing System Failures, Pump Improvements, Conclusions and Lessons Learned
Couplings and Alignment
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)
Coupling guard design
Shaft alignment and tolerances
Balancing methods
Coupling selection and specifications
Shaft alignment methods
Thermal growth considerations
Application of optical alignment
Hub/shaft fits and ...
Gears
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)
New gear applications
Rotordynamics
Bearings for gear drives
Installation questions
Metallurgy/heat treat methods
Contamination
Overhaul frequency
Instrumentation/Monitoring
Lubrication
Efficiency
Turbomachinery Control Valves Sizing and Selection
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)
Turbomachinery Controls dedicated to centrifugal and
axial compressors use several types of control valves, such as:
-Antisurge (recycle) valve
-Suction throttle valve
-Hot-gas bypass valve
-Quench control valve
As the ...
Conversion of a Horizontal Split Centrifugal Compressor with a Closed Impeller to an Open Face Impeller with a One Piece Diaphragm
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)
A 1970 vintage polyethylene plant faced a market driven requirement to improve its
polyethylene grade.
The improved, new grade required a new highly reactive catalyst and needed to be ready for
customer’s product trial in ...
The Selection and Design of Dual Pressurized Liquid Sealing Systems
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)
Dual mechanical seals represent one of the most common approaches to improving seal reliability and reducing process emissions. While the presence of the pressurized barrier fluid provides significant benefits, the challenge ...
Overview of Turbomachinery for Super-Critical CO2 Applications
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)
Cycles involving super critical carbon dioxide (sCO2) have the potential to increase system efficiencies well beyond current industry norms. Research on advanced direct and indirect cycles is ongoing in national labs and ...
Advancements in Mechanical Sealing - API 682 Fourth Edition
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)
API 682 is the leading document for mechanical seals in petrochemical, chemical, and pipeline services worldwide. It has combined the aspects of seal design, testing, standardization, and applications to provide the users ...
Investigating & Improving the Drooping Curve of A Two-Stage Feed Pump
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)
A two-stage between-bearing pump of the upgraded material was supplied to replace the existing machine. The pump utilized a higher number of impeller blades to obtain higher efficiency at its design point, but exhibited a ...
Design and Testing of a High-Pressure-Ratio Centrifugal Stage – Probing the Aerodynamic & Mechanical Limits
(Turbomachinery Laboratory, Texas A&M Engineering Experiment Station, 2018)
The paper describes the design, manufacture and testing of a novel high-pressure-ratio, single-stage centrifugal compressor targeted
for use in high molecular weight applications. The stage was designed to deliver a minimum ...