Human Research Facility - 1 (HRF-1) - 09.17.14

Summary | Overview | Operations | Results | Publications | Imagery
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Human Research Facility 1 (HRF-1) provides an on-orbit laboratory that enables scientists conducting human life science research to evaluate the physiological, behavioral, and chemical changes induced by space flight. Research performed using HRF-1 provides data to help scientists understand how the human body adapts to long-duration space flight.

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Facility Details

OpNom: HRF-1

Facility Manager(s)
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Facility Representative(s)
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Developer(s)

Johnson Space Center, Human Research Program, Houston, TX, United States

Sponsoring Space Agency
National Aeronautics and Space Administration (NASA)

Sponsoring Organization
Human Exploration and Operations Mission Directorate (HEOMD)

ISS Expedition Duration
March 2001 - Ongoing

Expeditions Assigned
2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19/20,21/22,23/24,25/26,27/28,29/30,31/32,33/34,35/36,37/38,39/40,41/42,43/44,45/46

Previous ISS Missions
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Availability
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Facility Description

Facility Overview

  • Human Research Facility 1 (HRF-1) provides an on-orbit laboratory that enables scientists conducting human life science research to evaluate the physiological, behavioral, and chemical changes induced by space flight. Research performed using HRF-1 provides data to help scientists understand how the human body adapts to long-duration space flight.
  • HRF-1 consists of items mounted in a rack [based on the EXpedite the PRocessing of Experiments to Space Station (EXPRESS) rack design] as well as equipment kept in stowage and brought out as needed.

Human Research Facility 1 (HRF-1) was launched aboard STS-102 (Discovery) March 8, 2001 and was installed in the U.S. Lab. During Expedition 21/22, it was moved to the Columbus Module. The HRF-1 drawers provide power, command and data handling, cooling air and water, pressurized gas, and vacuum to experiments.
The International Space Station (ISS) moderate temperature cooling loop is extended into the HRF to keep the rack at ambient temperature. Each payload can use up to 500W of power and the sum of all payloads can use up to 2000 W of power. HRF-1 is connected to the ISS video services and Ethernet, which allow the ISS and ground operations crews to control payloads. The rack has front-panel access ports for the laptop, vacuum system, deployed payloads, and nitrogen delivery system.
HRF-1 houses many types of equipment. Descriptions are listed below:
 

  • A stowage drawer holds the Ultrasound 2 which is ultrasound/Doppler equipment that has research and diagnostic applications. When deployed, the Ultrasound 2 is connected to the front of HRF-1 by cables that provide power and allow real-time downlink of scanhead video. Ultrasound images can also be saved to the unit and transferred to the HRF PC for later downlink. The Ultrasound 2 replaced the HRF Ultrasound, which was an HRF-1 rack-mounted device, in 2011.
  • A portable computer (HRF PC) is used to install and execute software that supports HRF experiments. It is used to control equipment; to collect and store data, crew notes, and equipment notes; and to provide uplink and downlink capabilities. Another PC (designated HRF PC3) containing HRP experiment-specific software utilizes HRF Rack 1 for experiment data downlink.
  • Two Cooling Stowage Drawers (CSDs) provide stowage for equipment. When in operation, the drawers maintain a uniform temperature by improving air circulation in the rack to remove the heat generated by individual powered payloads that use HRF-1.
  • The HRF 8PU Utility Drawer (installed in Expedition 36) provides stowage for consumables with added radio-frequency identification (RFID) capability built in that automates inventory of the RFID-tagged contents without crew intervention. The drawer also provides power and data connections on the front panel for deployed equipment requiring rack power.
  • The Space Linear Acceleration Mass Measurement Device (SLAMMD) was installed in HRF-1 during Expedition 11. The SLAMMD measures the on-orbit mass of the crewmembers by applying Newton's second law of motion (force equals mass times acceleration). This device can measure a mass between 95 and 240 lb using the force generated by two springs inside the SLAMMD drawer. Each spring is attached to a cam, which is also attached to a centrally located shaft with a flywheel mounted on top of it. The cam is designed such that, as the springs are stretched over a distance, a constant force is applied to the central shaft. A lanyard wrapped around the large flywheel is fed through a small slit on the SLAMMD front panel. The lanyard is latched onto the SLAMMD guiding arm, where the crewmember sits for a body mass measurement. Attached to the guiding arm is a leg support assembly around which the crewmember wraps his or her legs (as one would for a leg curl machine), a belly pad to help align the stomach, and a headrest.

HRF-1 was originally launched with the following components: the HRF Ultrasound, Gas Analyzer System for Metabolic Analysis Physiology (GASMAP), portable computer, workstation, and cooling stowage drawers. During Expedition 11, the GASMAP was moved to Human Research Facility 2 (HRF-2), and SLAMMD was moved to HRF-1 from HRF-2. During Expedition 13, the original workstation was replaced with the Workstation 2. During Expedition 28, the HRF Ultrasound was replaced with the Ultrasound 2. During Expedition 36, an 8PU Utility Drawer replaced one passive 4PU stowage drawer and the Workstation 2.
Payloads in HRF-1 can operate independently of each other regardless of their cooling and power needs and the flight schedule. The HRF power converter delivers 120V of direct current (DC) power from the utility outlet panel to the rack and converts it to 28 Vdc for distribution to the payloads. Payload computer and video operations can be conducted from the ground or on the space station. The crew performs periodic checks of all connections and hardware and performs payload operations as needed.

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Operations

Facility Operations
Subrack elements of HRF-1 have supported the Spinal Ultrasound, Ocular Health, Integrated Cardiovascular (ICV), Sprint, Advanced Diagnostic Ultrasound in Microgravity (ADUM), Pulmonary Function in Flight (PuFF), Interactions, Foot Reaction Forces During Spaceflight (Foot), Nutrition, Pro K, Body Measures, Microbiome, and Cardio Ox experiments as well as Space Medicine Ocular Scans and ESAs Vessel Imaging (VI) experiment. Cognition will also utilize HRF-1 via HRF PC3 for data downlinks.

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Results/More Information
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Results Publications

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Ground Based Results Publications

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ISS Patents

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Related Publications

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Related Websites

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Imagery

image NASA Image: ISS02E6028 - Human Research Facility 1 shown after its installation in the U.S. Laboratory, Destiny, during Expedition 2.
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image NASA Image: ISS006E07133 - Astronaut Donald R. Pettit, Expedition 6 NASA ISS science officer, works to set up Pulmonary Function in Flight (PuFF) hardware in preparation for a Human Research Facility (HRF) experiment in the Destiny laboratory on the International Space Station (ISS). Expedition 6 was the fourth and final expedition crew to perform the HRF PuFF experiment on the ISS.
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image NASA Image: ISS08E06860 - Expedition 8 mission commander and science officer Michael Foale is shown wearing a customized Lower Extremity Monitoring Suit (LEMS) and balancing on the footplate of a special track attached to the Human Research Facility (HRF) rack in the Destiny laboratory to perform a calibration for the Foot Reaction Forces During Spaceflight (Foot) experiment.
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image NASA Image: ISS012E12597 - Astronaut Bill McArthur sets up the Space Linear Acceleration Mass Measurement Device (SLAMMD) in the Destiny laboratory during Expedition 12. The SLAMMD guiding arm, leg restraint, and head rest are attached to the Human Research Facility 1 (HRF-1).
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image NASA Image ISS013E38340 - View of astronaut Jeffrey N. Williams, NASA Expedition 13 science officer and flight engineer, inserting a subrack payload into the Human Research Facility (HRF) in the U.S. Laboratory, Destiny.
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NASA Image: ISS025E013209 - Human Research Facility 1 in its current location, the Columbus Module, during Expedition 25. The original HRF Ultrasound was removed and replaced by stowage drawers during Expedition 28 when the portable HRF Ultrasound 2 arrived on-board..

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NASA Image ISS037E006502 - European Space Agency astronaut Luca Parmitano, Expedition 37 flight engineer, performs Body Mass Measurement activities using the Space Linear Acceleration Mass Measurement Device (SLAMMD) in the Columbus laboratory aboard the Earth-orbiting International Space Station.

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NASA Image ISS038e007119 – View of Japan Aerospace Exploration Agency astronaut Koichi Wakata, Expedition 38 flight engineer, performing an Ultrasound Scan for the SPRINT Experiment using the Human Research Facility (HRF) Ultrasound2.

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View of the Human Research Facility (HRF) Rack 1 during Increment 36 after the installation of the 8PU Utility drawer and the removal of the Workstation 2.

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