NASA Photo ID: STS048(E)021        File Name: 10065048.jpg
  Film Type: ESC BW                  Date Taken: 09/18/91
  Title: STS-48 ESC image of the MODE-01 Fluid Test Article (FTA) on OV-103's middeck
  Description:
  An electronic still camera (ESC) closeup shows the STS-48 Middeck Zero
  ("0")  Gravity Dynamics Experiment 01 (MODE-01) Fluid Test Article (FTA)
  attached to  an experimental support module (ESM) located in a forward
  middeck locker  onboard the earth-orbiting Discovery, Orbiter Vehicle (OV)
  103.  The FTA is a  3.1-cm diameter cylindrical sealed Lexan tank.  The FTA
  electromagnetic  actuator has excited the test article sinusoidally, which
  causes the fluid  inside the tank to slosh.  These slosh forces, along with
  other data such as  acceleration levels of the entire assembly, are
  measured by the force balance  and recorded in digital form on an optical
  disk for later ground analysis.   Crewmembers were testing the ESC as part
  of Development Test Objective (DTO)  648, Electronic Still Photography. 
  The digital image was stored on a  removable hard disk or small optical
  disk, and could be converted to a format  suitable for downlink
  transmission.  The ESC is making its initial appearance  on this Space
  Shuttle mission.         
  Subject terms:
  CONTAINERS                              
  DISCOVERY (ORBITER)                     
  ELECTRO-OPTICAL PHOTOGRAPHY             
  FLUID DYNAMICS                          
  FLUID FLOW                              
  FLUIDS                                  
  MIDDECK                                 
  ONBOARD ACTIVITIES                      
  SPACEBORNE EXPERIMENTS                  
  STS-48                                  
  

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