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James E Braun

Herrick Professor of Engineering and Professor of Civil Engineering

Purdue University
Lyles School of Civil Engineering
550 Stadium Mall Drive
West Lafayette, IN 47907-2051

Office: HLAB 2034
Phone: (765) 494-9157
Email: jbraun@purdue.edu

Specialty Area(s)

Education
B.S. Massachusetts, '76
M.S. Wisconsin, '80
Ph.D. Wisconsin, '88

Research Summary
Intelligent controls, automated diagnostics, component and system improvements for buildings and other environments; development and application of modeling tools for building envelopes, equipment, subsystems, and systems

Selected Research Projects

Selected Publications

  • Hengeveld, D.W., Braun, J.E., Groll, E.A., Mathison, M.A., and Williams, A. "Review of Modern Spacecraft Thermal Control Technologies", Vol. 16, No. 2, Pages 189-232, HVAC&R Research, 2009.
  • Mathison, M., Braun, J.E., Groll, E.A., "Performance limit for economized cycles with continuous refrigerant injection," In Press, International Journal of Refrigeration, 2010.
  • Bell, I., Groll, E.A., and Braun, J.E., "Performance of vapor compression systems with compressor oil flooding and regeneration," In Press, International Journal of Refrigeration, 2010.
  • Jovane, M.E., Braun, J.E., and Groll, E.A., "Analysis of a Novel Rotary Compressor: Model Development and Validation," In Review, International Journal of Refrigeration, 2009.
  • Jovane, M.E., Braun, J.E., and Groll, E.A., "Analysis of a Novel Rotary Compressor: Loss Analysis and Improvements," In Review, International Journal of Refrigeration, 2009.
  • Hengeveld, D.W., Braun, J.E., and Groll, E.A., "Optimal Placement of Electronic Components to Minimize Heat Flux Non-Uniformities," In Review, Journal of Spacecraft and Rockets, 2009.
  • Hengeveld, D.W., Braun, J.E., and Groll, E.A., "Optimal Distribution of Electronic Components to Balance Environmental Fluxes," In Review, Journal of Spacecraft and Rockets, 2010.
  • Yu, D., Li, H., and Braun, J.E., "A Review of Virtual Sensing Technology and Application in Building Systems," In Review, HVAC&R Research, 2010.
  • Shen, B., Braun, J.E., and Groll, E.A., "The Impact of Refrigerant Charge, Air Flow and Expansion Devices on the Measured Performance of an Air-Source Heat Pump," In Review, ASHRAE Transactions, 2010.
  • Shen, B., Braun, J.E., and Groll, E.A., "Modeling Improvements for Air Source Heat Pumps," In Review, ASHRAE Transactions, 2010.