Seeking a job position in the areas of thermodynamics, heat transfer and CFD.
Louisa LIU, Ph.D.
INTEREST AREAS
Heat transfer; Computational fluid dynamics; Thermodynamics; Thermal energy systems; HVAC&R systems (modeling and experiments); Fault detection and diagnostics; Refrigerant properties; Energy efficiency
PROFESSIONAL EXPERIENCES
Joint Researcher (UNL) & Project Engineer
Field Diagnostics, Langhorne, PA, USA 10/2008 - 03/2010
• Main Researcher, Air-source Heat Pump Heating Mode Diagnostics and Analysis
• Main Researcher, Original Equipment Manufacturer (OEM) Embedded Diagnostics Evaluation
• Research & development on protocols and methods of HVAC system energy efficiency evaluation and fault diagnostics for next generation products and engineering projects, including investigating HVAC system performances, making project plans and test plans, analyzing data, developing diagnostic rules, protocols and specifications.
• Estimate energy saving for buildings with tune up or new technology air conditioning systems.
Postdoctoral Researcher
School of Mechanical Engineering, Purdue University, West Lafayette, IN, USA 09/2006 - 09/2008
• Main Researcher, Recovery of Throttling Losses by a Two-Phase Ejector in a Vapor Compression Cycle (Sponsor: Air-Conditioning, Heating & Refrigeration Institute)
o Developed comprehensive simulation models of two-phase flow ejector and ejector air conditioning systems (CO2, R410A etc.)
o Designed a controllable ejector, designed an ejector air conditioning system based on the existing basic system, conducted experiments and analyzed test data.
o Project management, including successful track of completing deliverables (ejector fabrication and modification of experiment setup) on schedule, and leading undergraduate student in lab tests.
o Improved the efficiency of air conditioner significantly using developed ejector.
• Main Researcher, Improvement of Scroll Compressor Efficiencies
o Modeled and analyzed geometry and fluid dynamics of scroll compressors.
o Improved the scroll compressor efficiencies through optimizing scroll geometry of compressor.
Research and Teaching Assistant
Department of Mechanical Engineering, the University of Hong Kong, China 10/2002 - 06/2006
• Main Researcher, Multiplicity and Stability in Transport Phenomena (RGC of Hong Kong, Univ. Block Grant and CRCG of HKU).
o Numerical simulation for multiplicity and stability of fluid flow and heat transfer in ducts, including finite volume method and numerical methods of bifurcation and stability.
o Spectral analysis of oscillating flows by Hilbert-Huang transform, Fourier transform and wavelet transform.
o Discovered new solution branches of flow and heat transfer, revealed the characteristics of flow oscillations.
o Enhanced heat transfer significantly at the expense of a slight increase of flow friction.
• Mentored undergraduate students in experimental courses: Heat Transfer, Dynamic Mechanics
o Certificate of Teaching and Learning in Higher Education (07/2006)
Department of Thermal Energy and Refrigeration Engineering, Tianjin University, China 09/2000 - 06/2002
• Main Researcher, Investigation on Hydrocarbon Mixtures as HCFC22 Substitutes (National Nature Science Foundation of China).
o Modeled refrigeration cycles and investigated the leakage characteristics of HC/fire-suppressant mixtures in air conditioning systems numerically.
o Developed experimental air conditioning system and investigated the performance of air conditioning systems experimentally.
o Discovered optimal HCFC22 substitutes and investigated effects of mixture leakage on system performance.
• Tutored senior undergraduate students in their graduation project.
Engineering Intern
ASM Assembly Automation Ltd., Hong Kong, China 07/2006 - 08/2006
Thermal management of automatic equipment devices and systems
Engineer
China Tianchen Chemical Engineering Corporation, Tianjin, China 07/1997 - 06/2000
• Engineering design of thermal system plants, heat exchange station, heating supply plants, heating pipeline & residential heating, etc., and field supervision in a dozen of national and international projects.
• Cooperated with engineers in diverse majors, accomplished engineering projects successfully.
• In-depth knowledge of state-of-the-art thermal systems and equipments.
• Responsible for feasibility study and engineering economic analysis on several projects.
EDUCATION
Ph. D. Mechanical Engineering, the University of Hong Kong, China 12/2006
M. Eng. Thermal Energy and Refrigeration Engineering, Tianjin University, China 06/2002
B. Eng. Thermal Energy Engineering, Tianjin University, China 06/1997
B. Eng. Engineering Economics, Tianjin University, China 06/1997
SKILLS
Computer: Programming (C++, FORTRAN, MATLAB), parallel computing, Linux operation system; LabVIEW, EES, ORNL heat pump design model, NIST EVAP-COND, COSMOSDesignSTAR, Flothermal, SolidWorks, AutoCAD, Tecplot, Saving Estimator
Experiment: HVAC system design, data acquisition and measurement systems, data analysis
Language: Fluent Mandarin and English, some Japanese
AWARDS AND HONORS
Postgraduate fellowship, the University of Hong Kong, China 2002 - 2006
Conference travel grant, the University of Hong Kong, China 2005
Excellent master degree thesis, Tianjin University, China 2002
Excellent young engineer, China Tianchen Chemical Engineering Corporation, China 1999
Excellent student leader, Tianjin University, China 1996
Excellent student, Tianjin University, China 1993 - 1996
Excellent student, Xuzhou City, Jiangsu Province, China 1990
PROFESSORNAL ACTIVITIES
Peer Reviewer
Int. Journal of Refrigeration, HVAC&R Research, Int. Journal of Energy Research, Energy,
Int. Journal of Thermal Sciences, 12th International Refrigeration and Air Conditioning Conference at Purdue
Professional Memberships
American Society of Heating, Refrigerating, and Air-Conditioning Engineers (ASHRAE)
American Society of Mechanical Engineers (ASME)
The Hong Kong Society of Theoretical and Applied Mechanics (HKSTAM)
Vice-Chairs of Conference Sections
Scroll Compressor II, Scroll Compressor III, 19th Int. Compressor Engineering Conference at Purdue
OTHER ACTIVITIES
Student union committee, Tianjin University, China 1994 - 1997
Red - Cross Committee, China 1993 - 1997
Young Volunteer Committee, China 1993 - 1997
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