the university of arizona/ nasa space grant program steering committeeteering committee programs:...
TRANSCRIPT
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The University of Arizona/NASA Space Grant Program
Steering Committee
Programs:•Graduate Fellowship Program •Undergraduate Research Internship Program •Precollege Mini-Grants (A statewide program) •Astronomy Camp Scholarships •Science Speakers (Soon to be a statewide program!)
We also support:•Students for the Exploration and Development of Space •University of Arizona Student Satellite Program (SSP) •National Space Grant Student Satellite Program •The SAMEC Newsletter (The newsletter includes articles, information, and notices of interest to the pre-college science and mathematics teaching community in Arizona.) •Science Teachers Colloquium Series
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University of Arizona’s
South Pole Hydroponic Project
Amundsen-Scott
South Pole Research Station
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4 MONTHS OF CONTINUOUS LIGHT
2 MONTHS OF DUSK
4 MONTHS OF CONTINUOUS DARKNESS
2 MONTHS OF DAWN
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HIGHTEST RECORDED SUMER TEMPERATURE -16 DEGREES C
LOWEST RECORDED WINTER TEMPERATURE - 87 DEGREES C
8 MONTHS OUT OF THE YEAR
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CURRENT INTERNATIONAL TREATY PROHIBETS THE IMPORT OF SOIL TO THE SOUTH POLE
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“FRESHIES” WITHOUT SOIL?
HYDROPONICS!
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Paper Number 2003-01-2455
Development and Evaluation of an Advanced Water-Jacketed High Intensity Discharge Lamp
Gene A. Giacomelli and Phil SadlerRandy Lane Patterson Sadler Machine CompanyUniversity of Arizona
Daniel J. BartaNASA Johnson Space Center
Presented at the 33rd ICES ConferenceVancouver, B.C. Canada
July 8, 2003
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Utility Room
South Pole Food Growth ChamberAmundson-Scott Research Station
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Double-walled annular water-jacketSadler MC
400 Watt HPS Lamp
Support Frame
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Lower Level
Nutrient Storage
Upper Level
Plant Troughs
Figure 1. Double-level Lamp Test Stand with six lamps.
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LAMP TEST STAND
INSTRUMENT BOX
Characterize Decay
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DEVELOPE ENERGY BALANCE MODEL
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DEMONSTRATE THAT THE TECHNOLOGY COULD GROW VEGETABLES
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Assist with
assembly
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CAMBELL SCIENTIFIC DATA LOGGER
STEPHEN KANIA
HEAT TRANSFER
DR. CHOI
CHILLER
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HYDROPONIC NUTRIENTS
DR. JENSEN.
Calculate 2 year supply of
Nutrients
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Paper Number
Development and Evaluation of an Advanced Water-Jacketed High Intensity Discharge Lamp
Gene A. Giacomelli and Randy Lane Patterson The University of Arizona
Phil Sadler Sadler Machine Company
Daniel J. Barta NASA Johnson Space Center
Copyright © 2003 SAE International
ABSTRACT
During the period July 2001 to March 2002, the performance of a water-jacketed high intensity discharge lamp of advanced design was evaluated within a lamp test stand at The University of Arizona (UA), Controlled Environment Agriculture Center (CEAC) in Tucson, Arizona. The lamps and test stand system were developed by Mr. Phil Sadler of Sadler Machine Company, Tempe, Arizona, and supported by a Space Act Agreement between NASA-Johnson Space Center (JSC) and UA. The purpose was for long term testing of the prototype lamp and demonstration of an improved procedure for use of water-jacketed lamps for plant production within the close confines of controlled environment facilities envisioned by NASA within Bioregenerative Life Support Systems. The lamp test stand consisted of six, 400 watt water-cooled, high pressure sodium HID lamps, mounted within a framework. A nutrient delivery system consisting of nutrient film technique re-circulation troughs and a storage tank was also included, but plants grown in the system were not evaluated in this time period. The performance of the lamps was quantified in terms of photosynthetic photon flux (PPF), and spectral irradiance during the 9-month testing period. In addition, an energy balance and a series of short term tests were completed on the lamp system. The lamps were operated on a 16 hour ‘on’ and 8 hour ‘off’ duty cycle each day. The total operation time for the lamps during the test period was 4208 hour. The following report describes a series of tests performed on the water-cooled high pressure sodium (HPS) lamp system.
INTRODUCTION
During the period July 2001 to March 2002, the performance of the Sadler water-jacketed high intensity discharge lamp was evaluated within a lamp test stand at
The University of Arizona (UA), Controlled Environment Agriculture Center (CEAC) in Tucson, Arizona. The lamps and test stand system were developed and constructed by Mr. Phil Sadler of Sadler Machine Company, Tempe, Arizona, and supported by a Space Act Agreement between NASA-Johnson Space Center (JSC) and UA. The lamp test stand and nutrient delivery system were utilized for demonstrating an improved procedure for use of water-jacketed lamps for plant production within the close confines of controlled environment facilities envisioned by NASA within Bioregenerative Life Support Systems. The lamp test stand consisted of six, 400 watt water-cooled, high pressure sodium HID lamps, mounted within a framework (Figure 1). A nutrient delivery system consisting of nutrient film technique re-circulation troughs and a storage tank was also included, but plants grown in the system were not evaluated in this time period. The unique physical and operational characteristics of the Sadler Water-Jacketed Lamp provided distinct advantages over other existing water-jacketed lamps. The quartz annulus has no seals that could degrade and potentially leak. The glass water jacket is not fused to the bulb, and it is not discarded when the commercially available HID bulb fails. In addition, the lamp is compact and has a horizontal orientation, allowing for a reduced vertical profile. Previous studies have illustrated alternative designs to remove heat with water jackets (Davis, 1994).
The following report describes a series of tests performed with the water-cooled high pressure sodium (HPS) lamp system. The primary purpose of these tests was to quantify and document the performance of the water-cooled lamps during long term operation.
OBJECTIVES
The primary objectives were to:
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Food Growth Chamber for the Amundson-Scott New South Pole Station
(#HLS92)
Gene GiacomelliPhil Sadler
Lane PattersonStephen KaniaMerle JensenChieri Kubota
Habitation 2004,an international conference
on space habitation research and technology development
Session 2B - Biomass II
January 6, 2004
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http://images.google.com/imgres?imgurl=asterweb.jpl.nasa.gov/gallery/
images/moon-round-bw.jpg&imgrefurl=http://
asterweb.jpl.nasa.gov/gallery/gallery.htm%3Fname
%3DMoon&h=463&w=500&sz=25&tbnid=62iptCSqdZMJ:&tbnh=117&tbnw=126&prev=/images%3Fq%3Dnasa%2Bmoon%2Bimages
%26hl%3Den%26lr%3D%26ie%3DUTF-8%26oe%3DUTF-8%26sa%3DN
Thanks NASA.
Thanks U of A.
The next South Pole fresh vegetables grow?