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Modeling Tool for System Integration of HVAC Systems

Award Information

Department of Defense
Award ID:
Program Year/Program:
2006 / SBIR
Agency Tracking Number:
Solicitation Year:
Solicitation Topic Code:
Solicitation Number:
Small Business Information
ThermoAnalytics, Inc.
23440 Airpark Blvd P.O. Box 66 Calumet, MI 49913-
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Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No
Phase 1
Fiscal Year: 2006
Title: Modeling Tool for System Integration of HVAC Systems
Agency / Branch: DOD / ARMY
Contract: W56HZV-07-C-0052
Award Amount: $69,990.00


Military vehicles are being designed with ever-increasing on-board power dissipation, and are being operated in hot environments. Avoiding heat-related degradation of crew effectiveness and equipment reliability has become a daunting design challenge. Effective, efficient heating, ventilation, and air-conditioning (HVAC) system designs are needed. HVAC system performance can be optimized if system integrators can analyze proposed configurations rapidly and accurately, while keeping pace with an evolving vehicle design. A modeling tool to support rapid trade studies of HVAC system variants integrated into vehicle design variants is proposed to meet this need. We are proposing to add features to MuSES, the Army standard for thermal and IR signature analysis of ground vehicles, to enable rapid, easy-to-setup analyses of HVAC systems. HVAC-specific inputs and outputs will be built into the MuSES user interface, and algorithms to model fan-driven duct networks and mixing of duct effluent with cabin air will be added to the code. User routines modeling the behavior of vapor compression refrigeration system components will be provided as a library of HVAC component models. These features, combined with MuSES' ability to model a complete vehicle in a natural weather environment, will produce the desired prototyping modeling capability.

Principal Investigator:

Craig M. Cless
Senior Engineer

Business Contact:

Keith R. Johnson
Small Business Information at Submission:

23440 Airpark Blvd, P.O. Box 66 Calumet, MI 49913

EIN/Tax ID: 383276438
Number of Employees:
Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No