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Christian Bach 

Christian Bach


Ph.D., Mechanical Engineering
Purdue University, 2014

Dipl.-Ing.(FH), Mechanical Engineering
Hochschule Karlsruhe - Technik und Wirtschaft - University of Applied Sciences, 2008

Research Interests

  • Heat Pumps and Air Conditioners
  • Virtual Sensors for Vapor Compression Systems
  • Evaporators, especially with respect to
    • Flow Control and Flow Distribution
    • Frosting and Fouling
    • Optimization of Defrost Process
  • Compressor Performance Improvement
  • Heat Recovery

Awards and Recognition

  • Willis H. Carrier IIR Young Researchers Award - officially awarded August 2015 at the 24th International Institute of Refrigeration (IIR) Congress of Refrigeration in Yokohama, Japan., 2015
  • ASHRAE Graduate Student Grant-In-Aid. ASHRAE, Atlanta., 2010
  • Valerius Füner Preis. Award for outstanding diploma: University of Applied Sciences, Karlsruhe, Germany., 2009
  • Free one-year membership at the "Deutsche Physikalische Gesellschaft", as acknowledgment for outstanding skills in the subject physics as evidenced at Carl-Engler Schule, Karlsruhe, Germany., 2004
  • Acknowledgment for outstanding examination results during the final examinations as part of 3-year dual system internship, Chamber of Commerce and Industry Karlsruhe (IHK). Germany, 2001

Professional Memberships

    • Vice Chair for TC 8.8, Refrigerant Systems Controls and Accessories; Vice Chair for TC10.07, Commercial Food and Beverage Refrigeration Equipment; Member of the ASHRAE ‘by nomination only’ STBE Review Board; Voting Member. Standards Committee SPC33 - Method of Testing Forced Air Cooling and Heating Coils; Secretary, Technical Committee 8.4, Air-to-Refrigerant Heat Transfer Equipment; Voting Member, Technical Committee 8.4, Air-to-Refrigerant Heat Transfer Equipment; Webmaster, Technical Committee 8.4, Air-to-Refrigerant Heat Transfer Equipment
  • ASME (American Society of Mechanical Engineer

Campus Involvement 

  • Pi Tau Sigma ( International Honor Society for Mechanical Engineers) Faculty Adviser
  • SAE International Faculty Adviser/Co-Adviser for OSU Formula SAE
  • OSU American Society of Heating, Refrigerating and Air Conditioning Engineers (ASHRAE) chapter faculty co-adviser

Recent Publications

  • Kincheloe, M. C., J. P. Franke, K. Bach, C. R. Bradshaw (2021). Design of a Psychrometric Coil Testing Facility for Commercial Size Heat Exchanger Coils, JIJR. 121: 143 - 151.
  • Ahmed, M., H. Park, K. Bach, O. San. (2020). Numerical Investigation of Air Mixer for HVAC Testing Applications (ASHRAE RP-1733). STBE. 26(9): 1252-1273.
  • Lee, A., C. K. Bach, and C. R. Bradshaw (2020). Differential Mass Evacuation Sampling Technique for Measuring Refrigerant Charge and Oil Retention of Round Tube Plate Fin Heat Exchangers (ASHRAE RP-1785). STBE. 26(6): 790-804.
  • Saleem, S., Sarfraz, C.R. Bradshaw, and C.K. Bach (2020). Development of Novel Experimental Infrastructure for Collection of High-Fidelity Experimental Data for Refrigerant to Air Heat Exchangers. JIJR. 114: 189-200.
  • Park, H. and K. Bach. (2020). A Literature Review of Air Mixing Devices for Psychrometric Performance Measurement Application (ASHRAE RP-1733). STBE. 26(6): 778-789.
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