Capital project EPC service in pressure vessels & heat exchangers.
Turn around EPC service in replacement of pressure vessels & heat exchangers.
Pressure vessels and heat exchangers design & engineering.
Pressure vessels & heat exchangers re-rating.
Stress analysis to pressure vessels and other equipment.
Fitness for Service Assessment (FFS) in level 1, 2, & 3 per API 579-1/ASME FFS-1.
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1. Pressure Vessel Design &
Engineering
John Wang Design & Engineering
Katy Text, 77494
John Wang, Ph.D., P.E.
2. Refinery and Chemical Plants
Engineering Service
? Capital project EPC service in pressure vessels &
heat exchangers.
? Turn around EPC service in replacement of pressure
vessels & heat exchangers.
? Pressure vessels and heat exchangers design &
engineering.
? Pressure vessels & heat exchangers re-rating.
? Stress analysis to pressure vessels and other
equipment.
? Fitness for Service Assessment (FFS) in level 1, 2,
& 3 per API 579-1/ASME FFS-1.
3. Fitness for Service Assessments
Level 1, 2 local corrosion FFS and
level 3 crack size screening
Level 3 FFS for local corrosion, v-ring weld
separation plus location distortion for a 23¡¯-
0¡± ID pressure vessel built in 1943.
Level 3 FFS for a local corrosion
around bottom nozzle
Level 3 FFS for a local
corrosion across a v-ring
4. Software for Flange Preloading
Based on ASME PCC-1, a new method developed in the
software to calculate the optimized reloading for flanges,
especially body flanges, to avoid flange leakage in service.
5. Pressure Vessel & Heat Exchanger
Re-rating
Heat exchanger re-rating per
process changes.
Tube sheet cracking and design
temperature/pressure de-rating
A vertical pressure vessel re-rating in
design pressure/temperature.
6. A new type LPG trailer design
Pressure Vessel & Heat Exchanger
Design
A horizontal pressure vessel design
A reactor design
Shell tube heat exchanger
design & replacement
7. Stress Analysis to Pressure Vessels
Stress analysis to an elbow
connection failure to a weldolet.
Stress analysis to a large
horizontally supported pressure
vessel with vacuum rings.
Stress analysis to Emulsion Treat
Fire tubes to head connection.
Pressurized transport cargo
TCRN & DOT registration
calculation and analysis.
A level 3 FFS assessment for local
corrosion on a 24" forged nozzle
of heat exchanger in HF service.
Roundness assessment for a
vertical pressure vessel with
local distortion.
8. Stress Analysis to Pressure Vessels
Stress contour on shell under
critical wind speed and verified
per ASME code VIII-2 (K=1.2)
Piping stress analysis of a piping
skid.
Sub-frame stress analysis
to CSA B620 and 49CFR.
Trailer valve guide impact
stress simulation.
Stress contour of vessel clip
during lifting weight and verified
shell stresses per Appendix 4 of
ASME code VIII-2
Twin trailer stress analysis to
CSA B620 and 49CFR.
9. Pressure Vessel & Heat Exchanger
Design (Samples)
90,500 USWG 129 inch ID Nat Gas
Condensate pressure vessel
A skid cryogenic vessel
A CO2 pressure vessel design
LPG pressure vessels
10. Pressure Vessel & Heat Exchanger
Design (Samples)
90,500 USWG 129 inch ID Nat Gas
Condensate pressure vessel
Cryogenic storage vessels
A CO2 pressure vessel design
Vertical process towers designed
and constructed for Chevron
11. Recent Publications
? ¡°Fitness for Service Assessment on Local Metal Loss Near a
Discontinuity Using Elastic-Plastic Stress Analysis,¡± 2014, ASME
Journal of Pressure Vessel Technology.
? ¡°Butane Storage Vessel Calculation and FEA Verification,¡± 2005,
ASME Pressure Vessel & Piping Division Conference.
? ¡°Dynamic Characteristics of Rolling Mill Drive Trains with Backlash-
Mathematical Simulation and Results,¡± 1999, ASME Design
Engineering Technical Conferences.
? ¡°Method of Judging the Self-excited Vibration of Rolling Main Drive
System in Rolling Slippage,¡± 1998, Journal of Sound and Vibration.
? ¡°Identify the Torsional Self-excited Vibration of Rolling Mill Drive
Trains in rolling slippage,¡± 1999, Chinese Journal of Mechanical
Engineering (»úе¹¤³Ìѧ±¨).
? Other over 20 publications.