Remote Experts Network Decision Support System (RENDSys) CFD Analysis of LGH Internal Aerodynamics
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1 Remote Experts Network Decision Support System (RENDSys) CFD Analysis of LGH Internal Aerodynamics Murat Kacira, PhD Co-PI David L. Story PhD Student Ehab Tamimi MS Student
2 Remote Experts Network Decision Support System (RENDSys) Objectives Design, develop and implement a machine vision guided multi sensor based crop health and growth monitoring system Develop a web based decision support platform for information acquisition, analysis, and support for LGH operational control
3 System Overview Aerial Environment Air temperature Relative humidity Photosynthetic active radiation CO 2 Crop Canopy Color/NIR/Thermal Imaging Morphological Features Textural Features CR-3000 Root Zone Environment Nutrient temperature Electrical conductivity ph Dissolved oxygen Story, D., M. Kacira, C. Kubota, A. Akoglu, L. An Lettuce calcium deficiency detection with machine vision computed plant features in controlled environments. Computers and Electronics in Agriculture, 74:
4 Tri-Camera System and Housing LGH data inputs RGB NIR THERMAL ANN Crop Health Growth Status RGB, HSL Morphology Crop Indices Canopy Temperature
5 CEAC Greenhouse A closer look at this system will be given during today s tour
6 RENDSys Platform Current Site
7 LUNAR GREENHOUSE RENDSys Welcome David [Logout] LGH System Overview Graphical Data Resource Input / Output Live Imagery Alarms Blog [Still] [Live]
8 LUNAR GREENHOUSE RENDSys Welcome David [Logout] LGH System Overview Graphical Data Resource Input / Output Live Imagery Alarms Blog Date 07/18/2012 Crop Monitor Database Biomass production RGB Texture [Energy, Entropy, Homogeneity] Thermal Image [Stresses] Temporal [Still] [Live] [Still] [Live] [Crop Health] Model Databases Neural Network Mechanistic View Data
9 Ongoing efforts Image Stitching - To generate panoramic canopy images Image Processing Analyze images for crop health/growth characteristics and store within databases Assembling of the whole system in GH for experiments RENDSys Add to existing platform to allow remote accessibility to LGH data Enhance site functionality
10 Computational Fluid Dynamics (CFD) Analysis of LGH Internal Aerodynamics Objectives Analyze airflow and climate uniformity in the LGH system Improve climate uniformity with revised air distribution tube
11 Air Outlet With Current Tubes Hole Diameter = 1.5 inches # of holes per group = 1 # of groups per side = 33 (two sides) Air Inlets Aperture Coefficient (6 inlet) = 4.13 Aperture Coefficient = total area of the holes / cross section area of the duct 4X Hole Number Density 3X 2X X Airsoft Uneven Spaces Hole Diameter = 0.48 inches # of holes per group = 4 # of groups per side = 33 (two sides) Aperture Coefficient (6 inlet) = 1.75 Aperture Coefficient (8 inlet) = 1.00 Airsoft Equal Spaces
12 CFD Results: Side- With Left Original View Air Tubes No Air Tubes Airsoft Equal Spaces Airsoft Uneven Spaces Airsoft Equal Spaces Airsoft Uneven Spaces
13 Airflow uniformity With Current Tubes Airsoft Uneven Spaces (6 ID Inlet) Airsoft Uneven Spaces (8 ID Inlet)
14
15 Recent Publications Peer Reviewed Journal Article Boscheri, G., M. Kacira, L. Patterson, G. Giacomelli, P. Sadler, R. Furfaro, C. Lobascio, M. Lamantea, L. Grizzaffi Modified energy cascade model adapted for a multicrop lunar greenhouse prototype. Advances in Space Research. (In Press) Peer Reviewed Conference Proceedings Papers Giacomelli, G., R. Furfaro, M. Kacira, L. Patterson, D. Story, P. Sadler, G. Boscheri, C. Lobascio, M. Pirolli, R. Remiddi, M. Thangavelu, M. Catalina Bio-regenerative Life Support System Development for Lunar/Mars Habitats. 42 nd Int. Conf. on Environmental Systems, July 15-19, San Diego, California. (Accepted) Kacira, M., G. Giacomelli, L. Patterson, R. Furfaro, P. Sadler, G. Boscheri, R. Wheeler, C. Lobascio, M. Lamantea, S. Rossignoli System dynamics and performance factors of UA-CEAC lunar greenhouse prototype bioregenerative life support system. ActaHorticulturae. (In Press)
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