{"id":71578,"date":"2023-03-13T10:53:50","date_gmt":"2023-03-13T14:53:50","guid":{"rendered":"https:\/\/www.mdaturbines.com\/?post_type=experts&p=71578"},"modified":"2023-03-13T10:53:50","modified_gmt":"2023-03-13T14:53:50","slug":"james-chiu","status":"publish","type":"experts","link":"https:\/\/www.mdaturbines.com\/es\/resources\/experts\/james-chiu\/","title":{"rendered":"James Chiu"},"content":{"rendered":"

\"JamesBackground<\/strong><\/h2>\n

In 2006, I graduated from the University of Virginia with a bachelor’s degree in mechanical engineering and a minor degree in aerospace engineering.\u00a0 After graduating college, I worked for Alstom\u00ae as a steam turbine engineer.\u00a0 I supported both field engineering and the Alstom repair workshop with documentation and engineering dispositions.\u00a0 In 2017, I moved to St. Louis to start my career with MD&A.<\/p>\n

What do you do here at MD&A? What aspect do you enjoy most about your role at MD&A?<\/strong><\/h2>\n

At the MD&A St. Louis repair workshop, I am a steampath engineer\/project manager.\u00a0 I inspect steampath components<\/a> such as rotors, diaphragms, blade carriers, and packing carriers.\u00a0 I develop repair recommendations for the steampath components based on inspection findings.\u00a0 I support the technicians with MD&A repair procedures, drawings, and other supporting documentation.\u00a0 One thing I like about working at the shop is the ability to get hands on with the steampath components.<\/p>\n

What is the most interesting job\/ challenge you have come across at the shop?<\/strong><\/h2>\n

I worked on a rotor which was not for a steam turbine but used in a chemical drying process.\u00a0 The rotor was essentially a stainless-steel cladded pipe with threaded-on stainless steel paddles.\u00a0 I applied my knowledge in steam turbine rotors when inspecting and repairing the dryer rotor.<\/p>\n

How are rotor body indications repaired?<\/strong><\/h2>\n

Some minor indications can be removed by grinding or machining.\u00a0 For deeper indications, the workshop may need to CNC machine the areas with indications.\u00a0 The geometry can be optimized based on finite element analysis results.\u00a0 Rotors with deep indications may require a weld repair and stress relief.\u00a0 The repair recommendation<\/a> will be based on a thorough inspection of the rotor.<\/p>\n

What are the different types of steam turbine buckets worked on at the workshop? Can MD&A replace these types of buckets?<\/strong><\/h2>\n

MD&A works with all kinds of steam turbine buckets<\/a> from many original equipment manufacturers.\u00a0 The workshop has worked on tangential entry, radial entry, and axial entry buckets.\u00a0 The shop has worked on various cover types (peened tenons, integral covers with tie wire, and integral covers with a tight interference design).\u00a0 We can reverse engineer<\/a>, supply, and replace these various types of buckets.<\/p>\n

What do you like to do in your spare time?<\/strong><\/h2>\n

I like to build computers.<\/p>\n","protected":false},"excerpt":{"rendered":"

In 2006, I graduated from the University of Virginia with a bachelor’s degree in mechanical engineering and a minor degree in aerospace engineering. After graduating college, I worked for Alstom as a steam turbine engineer. I supported both field engineering and the Alstom repair workshop with documentation and engineering dispositions. <\/p>\n","protected":false},"author":13,"featured_media":71579,"parent":0,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","footnotes":""},"expert_cats":[40],"class_list":["post-71578","experts","type-experts","status-publish","has-post-thumbnail","hentry","expert_cats-repairs"],"acf":[],"yoast_head":"\nJames Chiu – MDA Turbines<\/title>\n<meta name=\"description\" content=\"Meet the MD&A Expert: James Chiu, Steampath Engineer, MD&A Repairs Division. 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