Jianhua Zhou

Creative and self-motivated thermal mechanical engineer and leader with excellence in thermodynamics, heat transfer and fluid mechanics. Exceptional individual contributor and enthusiastic team player. Strong ability to work and handle multiple tasks in fast-paced and collaborative atmosphere.

(1) Ph.D. in thermal Mechanical Engineering with over 25 years’ experience including 14 consecutive years’ service in HVAC&R system design, optimization, testing, qualification and troubleshooting.

(2) Recognized technical expert in addressing complex thermo & fluid problems in a variety of engineering applications (including HVAC & refrigeration, particulate/composite materials, high power laser applications, latent energy storage system, thermal power plant, medical therapies, electronic chip cooling techniques, etc).

(3) Outstanding talents and skills in steady-state and dynamic numerical modeling, programming, simulation, optimization and analysis for cutting-edge thermal/fluid systems involving multiple engineering disciplines.

(4) Demonstrated leadership capabilities - strategy & roadmap & workflow development, technical leadership and project management, priority management, failure mode and effect analysis (FMEA), engineering standards/codes/regulations compliance, patent and IP strategies, communication and presentation skills, interface with company multi-functional business units, global engineering R&D centers, world-wide suppliers, talent development and mentorship, etc.

(5) Licensed Professional Engineer (P.E.) certified by NCEES and New York State Board.

Jianhua ZHOU, Ph.D., P.E.

• Passionate and creative engineering professional with Ph.D. and P.E. in Mechanical Engineering and strong fundamentals in thermodynamics, fluid mechanics and heat transfer.
• 25+ years’ professional experience including 14 consecutive years’ service in HVAC&R system design, optimization, testing, qualification and troubleshooting.
• Exceptional modeling and analysis skills with successful record of modeling and simulation for complex thermal and fluid systems involving multiple engineering disciplines.
• Proficient in high-efficiency thermal and fluid system design, optimization, prototype manufacturing, test instrumentation, data reduction/interpretation/presentation, etc. 
• Demonstrated project leadership, strategic roadmap planning, priority management, standard work development, and cross-functional collaboration.
• Strong self-motivation, forward-thinking, excellent interpersonal communication and presentation skills.
• Licensed Professional Engineer (P.E.) certified by NCEES and New York State Board.

Technical Skills:

• Programming with Visual FORTRAN, Visual C/C++, Python, VBA, Modelica, MATLAB, EES, etc.
• ANSYS Fluent CFD, DesignModeler, SpaceClaim, Creo Parametric, Dymola,LabVIEW, EES, REFPROP, Office, etc

Areas of Expertise:

Engineering leadership and project management, thermal and fluid system prototyping, testing and analysis, steady-state and transient numerical modeling and simulation, heat exchanger design /optimization /testing /instrumentation /validation, computational fluid dynamics (CFD), design/tests/troubleshooting of refrigeration and air-conditioning systems, failure mode and effect analysis (FMEA), standard work process creation and enforcement, engineering standards/codes/regulations compliance, patent and IP strategies, technical writing and presentations, talent development and mentorship, etc.

PROFESSIONAL EXPERIENCE

Carrier Corporation                                                                                                                 2023 - present

Carrier Transicold, Refrigeration System Engineering, Syracuse, NY

Principal Engineer

• Technical leadership and project management in multiple programs: variable-speed and/or electric transport refrigeration system development and qualification, transport refrigeration system fuel efficiency improvement, field unit failure diagnosing/troubleshooting, steady-state and dynamic refrigeration system simulation and analysis, etc.
• Accomplishments: single-temp and multi-temp transport refrigeration system fuel efficiency improvement via unit software changes; customer unit alarm/failure analysis and troubleshooting (high discharge pressure, low suction superheat, high AC amps, etc); VFD fault analysis and new firmware tests for variable-speed refrigeration systems; qualification of variable-speed refrigeration system in Middle East region; field trial unit operation data collection, analysis and presentation; European and North American electric trailer refrigeration system architecture analysis; adaptive engine/compressor speed control for fuel/power consumption reduction; evaporator fan power reduction package support (low-loss nozzle, flow shaper, low-power rotor, variable-speed induction/PM motors, etc); 1-D flow model development for diesel engine fuel system simulation; cassette air-conditioning system model calibration support for cost reduction (Carrier Montilla, Spain); NaturaLINE refrigeration system (CO2) simulations at part-load conditions; OptimaLINE FuelWise control logic improvement for system power reduction; dynamic pulldown simulations for trailer engine speed optimization (Dymola); electronic chip cooling models for data center applications; map-based engine, generator and VFD models; map-based CO2 ejector model development for CCR refrigeration system models; developed tube-on-tube and tube-in-tube heat exchanger models for economized refrigeration systems; electric truck refrigeration system model generation and calibration; 20-coefficients R454B compressor model development for residential applications; fix a bug in fan curve model in calculating the fan power for different motor locations (in airstream or outside airstream); implementation of CoilDesigner (a University of Maryland modeling tool) into Carrier modeling platform (IPM); etc.

Carrier Corporation                                                                                                                    2021 - 2023

Center of Excellence, System & Controls, Syracuse, NY

Principal Engineer

• Technical leadership in global HVAC/thermo/fluid modeling activities, provide technical solutions for complex modeling/simulation challenges, guide BU engineers in HVAC&R system testing and analysis
• Plan resource/schedule, align work plan/technical path, create and enforce standard work processes, validate modeling/simulation results against lab test data, develop talents and mentor young engineers; etc.
• Accomplishments: new suction line model with capability of predicting oil return and oil retention; heat exchanger analysis and optimization for R32 heat pump (HP) air-cooled chiller units; variable-speed ARI compressor model loading tool improvement; high-efficiency air-conditioning system with innovative liquid-desiccant loop; parallel-mode MCHX evaporator model; improve multirun tools of refrigeration system model and RTPF / MCHX component modeling tools for 64-bit computer system; technical support to next-generation modelica-based modeling platform  development; robust BPHE heat exchanger model development based on discretized NTU-effectiveness approach; modeling of flash tank with vapor - liquid drop disengagement prediction capability; Bitzer DLL-based compressor model development; using digital method to diagnose failure mode of refrigerant and air-conditioning systems; variable speed economized screw/scroll compressor model development and system testing for transport refrigeration and commercial HVAC; MCHX heat exchanger model development with unfinned tube sections; Level I RTPF heat exchanger model improvement; Level II MCHX evaporator distributor model development and validation; wire-on-tube condenser model development; expand existing modeling tool capabilities to handle new low GWP (global warming potential) high-glide refrigerants; new MCHX header pressure drop model development capturing multi-physics including elbow, T-junction, MPE tube insertion, increasing/decreasing mass flux, etc; guide commercial refrigeration team to improve charge prediction accuracy; etc.
• Deliver advanced level HVAC&R modeling/design live trainings to global engineering modeling/design teams as instructor and presenter on Carrier Engineering University platform.

Carrier Corporation                                                                                                                     2014 - 2021

Heat Transfer Group, Technologies & Components, Syracuse, NY

Staff Heat Transfer Engineer

• Lead multiple key cost saving and energy/footprint reduction BU programs with low GWP, A2L and CO2 refrigeration technologies as Project Manager, leading to millions of dollars annual cost saving for the company. 
• Accomplishments: CO2 MCHX gas cooler development and qualification for Carrier Transport Division (CTD) NaturaLINE container and Carrier Commercial Refrigeration (CCR) condensing units; designed efficient heat exchangers for CCR ultra slim / ultra narrow and frost-free refrigerated display cabinets (frost-free unit achieved 60% energy consumption reduction); developed and qualified MCHX condenser for CTD PrimeLINE container system (R134a) (~$3million cost saving/year); optimized MCHX condenser for CTD breakthrough efficiency Vector trailer unit with low GWP refrigerants (R448A/R452A); Modeled MCHX heat exchangers for air-cooled screw chiller system; Conducted steady-state CFD simulations to evaluate new fin performances for CCR 7mm RTPF gas cooler (ANSYS Fluent); performed transient CFD modeling to quantify the infiltration energy during cabinet door opening/closing (ANSYS Fluent); carried out dynamic frosting/defrosting modeling for 5mm/7mm RTPF evaporators for ultra slim /ultra narrow display cabinets (Dymola); designed and optimized RTPF and MCHX heat exchangers for rooftop and residential air conditioning and heat pump systems; Level-II heat transfer model development of MCHX and RTPF heat exchangers with general air-side HT/DP correlations; next generation large liquid-to-liquid heat exchanger model development; conducted wind tunnel tests to qualify the air-side performances of Midea evaporator coils; modeling and programming to simulate Chiller VFD cooling; wind tunnel test uncertainty analysis with Monte Carlo approach; new supplier heat exchanger qualification for CTD Supra S9/S10 truck units; developed and qualified Luvata all-aluminum RTPF evaporator coil for CTD N.A. Trailer units; modeling and analysis of oil+vapor pressure loss through honeycomb plates for Horizon HP; fixed bugs in GenScrew compressor models; improved MCHX heat exchanger models so ribbon bends can be properly simulated; extended MCHX model functionality so users can directly input RA60 and DP70 for a new fin design; 2G MCHX performance gap analysis; fixed bugs in MCHX condenser model in order to handle cases with low temperature approach; fixed bugs in the refrigerant pressure drop calculation of multi-slab MCHX evaporators; etc.

Carrier Corporation                                                                                                                     2011 - 2014

MASC Team, Technologies, Methods & Components, Syracuse, NY

Senior HVAC&R Modeling Development Engineer

• Led and developed numerous Level I and Level II refrigeration and air-conditioning component models to predict the thermal and hydraulic performances of a wide range of heat exchanger types, including RTPF, MCHX, shell & tube heat exchangers, falling film evaporator, ice cream machine evaporators, etc.
• Accomplishments: developed segment-by-segment numerical models to calculate the fin cross conduction in Level II evaporator, condenser and water coils in Carrier RTPF coil modeling platform; developed 3D new shell and tube heat exchanger models which account for multiple physical mechanisms including the liquid carry-over, vapor blanketing, submergence, and row-by-row bundle effects; developed falling film evaporator model for large chiller with the capability of handling part-load operation in HVAC&R system modeling platform; created detailed and reduced heat transfer models for microchannel freezing cylinder, flooded freezing cylinder, cold-wall refrigerated cabinet and cold-wall mix can in Taylor ice cream machines; updated shell and tube heat exchanger tube data library in HVAC&R system modeling platform; flooded evaporator and refrigerant line model development for Carrier next-generation HVAC&R modeling platform; ECAT 30HX chiller model improvement and validation in 64-bit computer operation system; documented DOE-2.1 building daylighting computer codes for E20-II; designed new refrigeration systems for two CTD truck systems (Viento 350 and Supra 750) using CO2 as the refrigerant aiming to reduce ODP (ozone depletion potential) and GWP; etc.

University of Missouri                                                                                                               2005 - 2011

Department of Mechanical and Aerospace Engineering, Columbia, MO

Postdoctoral Research Associate (2005-2008); Research Assistant Professor (2008-2011)

• Accomplishments: 2D and 3D inverse heat transfer with static or dynamic temperature-dependent thermal properties; nonequilibrium heat transfer in composite materials; Monte Carlo radiative transfer modeling in bimodal packing structures; random packing modeling of spherical particles for powder-based additive manufacturing; non-Fourier heat conduction effects (hyperbolic heat conduction, dual-phase-lag heat conduction, etc); laser-induced thermotherapy research; plasma formation in biological tissues induced by short laser pulses; etc.

University of New South Wales                                                                                               2002 - 2004

School of Materials Science and Engineering, Sydney, Australia

Visiting Research Scholar

• Effective thermal conductivities of randomly packed beds; transient heat transfer during particle colliding process.

Chinese Academy of Sciences                                                                                          July - Oct 2002

Technical Institute of Physics and Chemistry, Beijing, China

Postdoctoral Research Associate

• 3D light and heat transfer modeling in biological tissues; numerical investigation of heat transfer in cryopreservation applications.

Chinese Academy of Sciences                                                                                              1999 - 2002

Institute of Engineering Thermophysics, Beijing, China

Ph.D. Graduate Research Assistant

• Experimental/numerical investigation of heat and mass transfer in biological tissues in laser-induced thermal therapy.

North China Electric Power University                                                                                1996 - 2001

Department of Power Engineering, Beijing, China

Assistant Professor

• 3D numerical simulation of HT/DP in heat exchangers of large-capacity thermal power plants; solid-liquid phase change heat transfer for latent energy storage systems and electronic chip cooling applications; etc.
• Taught "Gas-Liquid Two Phase Flow and Heat Transfer" and "Thermal Equipment in Large-Capacity Power Plants".

EDUCATION

Ph.D., Engineering Thermophysics                                                                                        1999 - 2002

Chinese Academy of Sciences, Beijing, China

M.S., Engineering Thermophysics                                                                                         1993 - 1996

Xi’an Jiaotong University, Xi’an, China

B.S., Thermal Engineering                                                                                                       1989 - 1993

Chongqing University, Chongqing, China

HONORS AND AWARDS

• Carrier President's Award for outstanding contributions in variable-speed refrigeration system, May 2024
• Leadership and contributions highlighted on LinkedIn by Carrier Refrigeration, Feb 2024
• Carrier Engineering Influencer Award - "Dare to Disrupt", June 2021
• Marquis Who's Who in Science and Engineering (invited), 2011-2012 (11th Edition)

SELECTED PUBLICATIONS

• J. Zhou, et al., Inverse estimation of surface temperature induced by a moving heat source in a 3-D object based on back surface temperature with random measurement errors, Numerical Heat Transfer, Part A, Vol. 61, No.2, pp.85~100, 2012.
• J. Zhou, et al., Simulation of laser-induced thermotherapy using a dual reciprocity boundary element model with dynamic tissue properties, IEEE Transactions on Biomedical Engineering, Vol. 57, No. 2, pp. 238-245, 2010.
• J. Zhou, et al., Numerical simulation of laser irradiation to a randomly packed bimodal powder bed, International Journal of Heat and Mass Transfer, Vol. 52, pp. 3137-3146, 2009.
• J. Zhou, et al., Numerical simulation of random packing of spherical particles for powder-based additive manufacturing, ASME Journal of Manufacturing Science and Engineering, Vol. 131, pp. 031004.1,   2009.
• J. Zhou, et al., A non-equilibrium thermal model for rapid heating and pyrolysis of organic composites, ASME Journal of Heat Transfer, Vol. 130, pp. 064501,   2008.
• J. Zhou, et al., Numerical modeling of transient progression of plasma formation in biological tissues induced by short laser pulses, Applied Physics B: Lasers and Optics, Vol. 90, No.1, pp. 141-148,   2008.
• J. Zhou, et al, Non-Fourier heat conduction effect on prediction of thermal damage in biological tissues caused by laser irradiation, Numerical Heat Transfer, Part A, Vol. 54, pp. 1-19,   2008.
• J. H. Zhou, et al., Finite element modeling of the transient heat conduction between colliding particles, Chemical Engineering Journal, Vol. 139, No.3, pp. 510-516,   2008.
• J. Zhou, et al., Numerical simulation of compressible gas flow and heat transfer in a microchannel surrounded by solid media, International Journal of Heat and Fluid Flow, Vol. 28, No.6, pp. 1484-1491,   2007.
• J. Zhou, et al., A boundary element method for evaluation of the effective thermal conductivity of packed beds, ASME Journal of Heat Transfer, Vol. 129, No. 3, pp. 363-371,   2007.
• J. Zhou, et al., Numerical study on the thawing process of biological tissue induced by laser irradiation, ASME Journal of Biomechanical Engineering, Vol.127, No.3, pp.416-431,   2005.
• J. Zhou, et al., Numerical study on 3-D light and heat transport in biological tissues embedded with large blood vessels during laser-induced thermotherapy, Numerical Heat Transfer, Part A, Vol.45, No.5, pp.415-449,   2004.

PATENTS

• Multi-Temperature Transportation Refrigeration System, European Patent Office: EP349 2845 B1, Jun 5, 2019
• Refrigerant Vapor Compression System, US Patent Publication Number: US2021 0247109 A1, Aug 12, 2021
• Compact Heat Exchanger Assembly for a Refrigeration System, US Patent Publication Number: US2021 0270533 A1, Sep 2, 2021

LICENSE AND CERTIFICATE

• Professional Engineer (P.E.) (License number: 106580) in Mechanical Engineering (Thermal and Fluid Systems) Certified by NCEES and New York State Board 

ACADEMIC SERVICES

Reviewer of academic journals/conferences:

• ASME Journal of Heat Transfer
• ASME Journal of Manufacturing Science and Engineering
• AIAA Journal of Thermophysics and Heat Transfer
• Frontiers in Heat and Mass Transfer
• ASME International Mechanical Engineering Congress and Exposition, etc.

FAMILY

• Family: spouse and two children         ♦ Immigration status: U.S. Citizen