Author Topic: Expedition 41 thread (September 11 - November 10, 2014)  (Read 62232 times)

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Re: Expedition 41 thread (September 11 - November 24, 2014)
« Reply #80 on: 10/30/2014 02:25 pm »

ISS Daily Summary Report – 10/29/14

Posted on October 29, 2014 at 4:32 pm by HQ.
 

57 Progress (P) Launch Status:  57P successfully launched from the Baikonur Cosmodrome today at 2:09am CDT.  The spacecraft proceeded with a nominal 4 orbit rendezvous with ISS and docked to the DC-1 docking port at 8:08am CDT.  The Progress is delivering more than 2987 lbs of cargo to the ISS.

Orbital (Orb)-3 Cygnus Launch Anomaly:  Yesterday, the Orbital Antares Rocket experienced a catastrophic failure soon after launch. Orbital Sciences is leading the mishap investigation with the Federal Aviation Administration (FAA), Mid-Atlantic Regional Spaceport (MARS), and assistance from NASA to determine the cause of the failure. No injuries were reported. ISS ground teams are assessing the impacts due to the loss of cargo on Orb-3 and how future vehicle manifests will be affected. On-orbit crew timelines are also being updated to backfill the time slated for Orb-3 related operations.

Skin-B: Gerst conducted a Skin-B data collection using the Tewameter probe to measure the skin barrier function; the Visioscan Camera to measure skin surface topography; and the Corneometer probe to measure skin hydration. The Skin-B experiment will improve understanding of skin aging, which is slow on Earth but very much accelerated in space. This will also provide insights into the aging process in other (similar) bodily tissues in general. The data could help in determining impact for astronauts on future missions to the Moon and Mars where environmental conditions are more challenging.

Biological Rhythms 48 hour:  Gerst completed the second and final 24 hour measurement, removed the Digital Walk Holter electrocardiogram (ECG) and Actiwatch Spectrum equipment from his body and copied the Digital Walk Holter ECG data to Medical Laptop. The objective of this study is to examine the accurate circadian variation of cardiac autonomic function by space flight. The crew will wear an Actiwatch for 96-hour and an electrocardiograph (ECG) for 48-hour.  The crew conducts two In-flight data collects.

Blood Pressure (BP) Reg (Regulation):  Wiseman set up the BP Reg hardware and then completed his third BP Reg data collection session. After completing the investigation, the BP Reg hardware was stowed.  This investigation tests the effectiveness of an in-flight manipulation of arterial BP as an indicator of post-flight response to a brief stand test, since space flight negatively impacts the regulation of BP on return to upright posture on earth. A Leg Cuff test induces a brief drop in BP following the release of a short obstruction of blood flow to the legs. The change in BP from pre-flight to in-flight will be used to predict those astronauts who might be susceptible to experience the greatest drop in BP in the post-flight stand test. A second objective of this investigation is to determine whether cardiac output calculated from the analysis of the finger blood pressure waveform provides an accurate estimate both pre-flight and in-flight by comparison with a rebreathing method.

Nanoracks Module 29:  Wiseman retrieved a Module 29 micro-plate from MELFI and then utilized the Plate Reader to perform 2 scans of the micro-plate.  Once scans were completed, Wiseman moved the USB drives to the Nanoracks Platform-2 in the JEM so the ground can retrieve the data.  NanoRacks-Fluorescent Polarization in Microgravity (NanoRacks-Micro-gRx) utilizes the on-orbit Plate Reader facility to validate its functionality in three of its five modes of operation in order to examine the effect of microgravity on fluorescent polarization (FP) for a fluorophore in solution, to validate the UV-Visible mode by using three different absorbance wavelengths in serially diluted liquids, and to validate the fluorescence intensity by using serial dilutions of two different fluorophores. This investigation also serves as part of the process of validating and establishing a workflow for the Plate Reader facility. This investigation lays the ground work for opening the door to performing well-based life science experiments on the ISS and to developing new capillary-based plate technology that may lead to new treatments for disease.

SpinSat:  Gerst relocated SpinSat from the JEM to the Node 2 forward endcone, where it will remain in its foam box until SpinSat deployment.  The objective of the Special Purpose Inexpensive Satellite (SpinSat) experiment is to fly a 22-inch diameter spherical satellite equipped with an array of electrically-controlled solid propellant thrusters. It is intended to be a tumbling satellite having a mass of approximately 50 kg with a single axis momentum wheel and multiple micro-thrusters on the sphere’s surface. For its initial space flight demonstration, SpinSat aims to test movement and positioning of small satellite in space using new technology micro-thrusters.

DEvice for the study of Critical LIquids and Crystallization (DECLIC): Wiseman exchanged the existing DECLIC data cables with the spare set of cables as part of a troubleshooting effort to restore capability. Previous attempts to initialize the system caused errors during the boot sequence and DECLIC went into safe mode.   A future checkout of the DECLIC hardware and the High Temperature Insert (HTI) – Reflight (R) experiment will be scheduled.   DECLIC HTI-R studies water near its critical point, the point beyond which water loses its distinction between liquid and vapor and begins to behave as a dense gas. Salt tends to precipitate out from water at temperatures and pressures beyond its critical point. Understanding this behavior will assist designers in building extended-life and low-maintenance supercritical water oxidation (SCWO) reactors that will provide for more environmentally friendly waste management systems and reduce operating costs of power plants that use supercritical water for its working fluid.

Extravehicular Mobility Unit (EMU) 3011 Return to Service:  Following the replacement of the Fan Pump Separator (FPS) on EMU suit 3011 earlier this year, Wilmore successfully tested the FPS components by performing a visual water leakage inspection and implemented a structural gas leakage test at the maximum operating suit pressure. In addition, he conducted a long-duration leak check on the suit.
Jacques :-)

Offline ChrisC

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Re: Expedition 41 thread (September 11 - November 24, 2014)
« Reply #81 on: 10/31/2014 02:21 am »
Can someone point me to a crew timeline for Friday?   I did some searching and found this timeline which is a straight listing of crew tasks for the day.  http://www.nasa.gov/sites/default/files/files/103114_tl.pdf  But I also recall seeing a more graphical timeline, one that showed orbital daytime / nighttime on it, although that might have been a shuttle mission timeline. 
« Last Edit: 10/31/2014 02:22 am by ChrisC »
PSA #1: EST does NOT mean "Eastern Time".  Use "Eastern" or "ET" instead, all year round, and avoid this common error.  Google "EST vs EDT".
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Re: Expedition 41 thread (September 11 - November 24, 2014)
« Reply #82 on: 10/31/2014 01:43 pm »
Sounds like the Blue Angels are visiting Mission Control.  There is an air show in town in Houston.  The "Fly Navy" members of the ISS crew are definitely enjoying the conversation and looking forward to a ride in a Hornet.
Best quote heard during an inspection, "I was unaware that I was the only one who was aware."

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Re: Expedition 41 thread (September 11 - November 24, 2014)
« Reply #83 on: 10/31/2014 02:20 pm »

ISS Daily Summary Report – 10/30/14

Posted on October 30, 2014 at 5:19 pm by HQ.
 

Zebra Fish Muscle:  Gerst connected a water bag and a waste bag to the Aquatic Habitat water circulation unit and performed water exchange #6. The Zebra Fish muscle experiment asks if the atrophy of muscles under the condition of microgravity also occurs in Zebra Fish and why their atrophy occurs in the microgravity.

Cardio Ox (Human Research):  Wilmore, acting as the Crew Medical Officer operator, took return minus 15 days blood pressure and ultrasound measurements of subject Wiseman.  The objective of Cardio Ox is to determine whether biological markers of oxidative and inflammatory stress are elevated during and after space flight and whether this results in an increased, long-term risk of atherosclerosis in astronauts.

Soyuz 39S Descent Drill:  Wiseman and Suraev prepared for their return by conducting a Soyuz descent drill. 39S is scheduled to return to earth with Suraev, Wiseman, and Gerst on November 10, 2014.

Extravehicular Activity (EVA) Mobility Unit (EMU) Loop Scrub:  Wilmore and Gerst performed EMU loop scrubs throughout the day as part of the periodic EMU maintenance plan. Along with the loop scrubs, water samples were collected before and after the scrub. The water samples are scheduled to return via 39S in November. During the loop scrubs, the Fan Pump Separator associated with EMU 3005 did not activate as expected. The Loop Scrub for EMU 3005 was deferred as a result. The Loop Scrub on EMU 3011 was completed nominally without issues. Ground teams are working on a troubleshooting plan for the EMU 3005 Fan Pump Separator.

57P Docking Clamps Installation:  Yesterday’s docking of 57P was completed as planned.  After capture, the Progress hooks were closed. However, in order to preserve life cycles on the DC1 hooks, those hooks were not commanded to close.  Instead, the docking clamps were installed by Samokutyaev today.
Jacques :-)

Offline robertross

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Re: Expedition 41 thread (September 11 - November 24, 2014)
« Reply #84 on: 10/31/2014 04:02 pm »

ISS Daily Summary Report – 10/30/14

Posted on October 30, 2014 at 5:19 pm by HQ.
 

57P Docking Clamps Installation:  Yesterday’s docking of 57P was completed as planned.  After capture, the Progress hooks were closed. However, in order to preserve life cycles on the DC1 hooks, those hooks were not commanded to close.  Instead, the docking clamps were installed by Samokutyaev today.



That's interesting...

Offline Nicolas PILLET

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Re: Expedition 41 thread (September 11 - November 24, 2014)
« Reply #85 on: 11/02/2014 05:23 pm »

ISS Daily Summary Report – 10/30/14

Posted on October 30, 2014 at 5:19 pm by HQ.
 

57P Docking Clamps Installation:  Yesterday’s docking of 57P was completed as planned.  After capture, the Progress hooks were closed. However, in order to preserve life cycles on the DC1 hooks, those hooks were not commanded to close.  Instead, the docking clamps were installed by Samokutyaev today.



That's interesting...

There is plan to double (redundance) the electric engine which moves the hooks on Soyuz TMA-M / Progress M-M spaceships. Maybe there is a connection ?
Nicolas PILLET
Kosmonavtika : The French site on Russian Space

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Re: Expedition 41 thread (September 11 - November 24, 2014)
« Reply #86 on: 11/03/2014 03:08 pm »

ISS Daily Summary Report – 10/31/14

Posted on October 31, 2014 at 4:27 pm by HQ.
 

Circadian Rhythms:  Gerst donned instrumentation to begin the 36 hour Circadian Rhythm experiment which investigates the role of synchronized circadian rhythms, or the “biological clock,” and how it changes during long-duration spaceflight. Researchers hypothesize that a non-24-hour cycle of light and dark affects crewmembers’ circadian clocks. The investigation also addresses the effects of reduced physical activity, microgravity and an artificially controlled environment. Changes in body composition and body temperature, which also occur in microgravity, can affect crewmembers’ circadian rhythms as well. Understanding how these phenomena affect the biological clock will improve performance and health for future crewmembers.

Space headaches:  Gerst and Wiseman will complete weekly questionnaires. The objectives of this study are to obtain in-flight data allowing evaluation of the prevalence and characteristics of headache in microgravity.

Seedling Growth-2:  In preparation for the Seedling Growth-2 experiment, Wilmore manually opened the European Modular Cultivation System (EMCS) Gas Valves within 24 hours prior to the start of the EMCS experiment. Seedling Growth-2 is the second part of the Seedling Growth Experiment series and uses the plant Arabidopsis thaliana to determine the effects of gravity on cellular signaling mechanisms of phototropism and to investigate cell growth and proliferation responses to light stimulation in microgravity conditions.

Space Linear Acceleration Mass Measurement Device (SLAMMD): Gerst, Wiseman and Wilmore set up and configured SLAMMD hardware and took body mass measurements.

Biological Rhythms 48 hours: Wiseman donned the Actiwatch to begin the 48 hour measurement. The objective of this study is to examine the accurate circadian variation of cardiac autonomic function by space flight. The crew wears an Actiwatch for 96 hours and an electrocardiograph (ECG) for 48 hours.  The crew conducts two In-flight data collects.

Zebra fish Muscle:  Wilmore configured equipment to capture specimens from the Aquatic Habitat.  Three fish will be fixed with RNAlater and three with Paraformaldehyde. The specimens will be inserted in a sample Box Module within a Minus Eight-degree Freezer for ISS (MELFI) rack.  The Zebra fish muscle experiment investigates if the atrophy of muscles in microgravity also occurs in zebra fish and why it occurs.

Deck Crew Quarters (CQ) Cleaning: Gerst cleaned his CQ’s intake and exhaust ducts, fans and air flow sensors in preparation for his return to Earth on November 9th on 39 Soyuz (S).

Extravehicular Activity (EVA) Mobility Unit (EMU) Loop Scrub Conductivity Test: Wiseman completed water conductivity tests on two of the EMU water samples taken yesterday during loop scrub activities. The samples will be returned to the ground for analysis on 39S.
Jacques :-)

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Re: Expedition 41 thread (September 11 - November 24, 2014)
« Reply #87 on: 11/04/2014 03:36 pm »

ISS Daily Summary Report – 11/03/14

Posted on November 3, 2014 at 4:59 pm by HQ.
 

Russian Joint Research (RJR) Surface Sampling:  Serova performed air sampling in USOS Segment Modules (Columbus, Japanese Pressurized Module (JPM), Lab, Node 1, 2, and 3).  The investigation refines locations and surfaces prone to microbial contamination throughout the ISS, share monitoring technologies and data between NASA and Roscosmos, and provides a scientific basis for decisions about future microbial monitoring – both on ISS through its extended life, and on other future human exploration spacecraft.

Sally Ride EarthKam:  Samukutyaev and Wiseman set up EarthKam payload components in the Node 2 nadir window for a week long imaging session by middle school students.

Zebra fish Muscle:  The crew performed periodic water maintenance on the Aquatic habitat.  For the Zebra fish that were previously preserved with paraformaldehyde, the crew performed a Zebra fixative exchange, replacing the chemical with a buffer solution.  The samples were then returned to cold stowage in the Minus Eighty degree Laboratory Freezer for ISS (MELFI).

Muscle Atrophy Research and Exercise System (MARES):   Wilmore retrieved the Crew transfer bag containing the MARES battery and stowed it in the Columbus in front of the MARES Payload in preparation for battery change out operations.

Biological Rhythms 48 hour:  Wiseman set up the digital walk holter electrocardiogram (ECG) and Actiwatch Spectrum equipment then started the first half of two separate 24-hour recordings.   The objective of this study is to examine the accurate circadian variation of cardiac autonomic function by space flight. The crew will wear an Actiwatch for 96 hours and an ECG for 48 hours.

EVA Mobility Unit (EMU) Fan Troubleshooting and Water Loop Flush:  Last week during an EMU Loop Scrub, the Fan Pump Separator (FPS) associated EMU 3005 failed to spin up. Today, Wilmore performed an inspection on the FPS that revealed no visible water. Wilmore continued with the flush and fill of the system and obtained a sample for return on Soyuz 39S. A new fan pump separator is scheduled to launch on Soyuz 41S.
Jacques :-)

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Re: Expedition 41 thread (September 11 - November 24, 2014)
« Reply #88 on: 11/05/2014 02:56 pm »

ISS Daily Summary Report – 11/04/14

Posted on November 4, 2014 at 4:36 pm by HQ.
 

TripleLux-B (BIOLAB):  Gerst unstowed tools and items needed for the installation of the distribution and cleaning (D&C) cassette of the Biolab Microscope.  This activity was performed in preparation of the upcoming TripleLux-B experiment.  The objective of Triplelux-B is to further understand the cellular mechanisms underlying the increase in radiation responses, and the impairment of the immune system functions under spaceflight conditions.

Nanoracks Cubesat Deployer (NRCSD) #3:  Wilmore and Gerst have removed NRCSD #3 from the Japanese Experiment module airlock (JEMAL).  The crew cleaned up the JEM Airlock inner hatch window protection items (MLI and hatch window cover assembly) and removed NRCSD#3 hardware from the Multipurpose Experiment Platform (MPEP) and performed troubleshooting by measuring and releasing the jack screw torque on the CubeSat Quad Deployers. Finally, the MPEP was removed from Small Fine Arm (SFA) Airlock Attachment Mechanism (SAM). The slide table was subsequently retracted and the JEMAL inner hatch was closed.

Biological rhythms 48 hour:  Wiseman terminated his first of two 24-hour measurements, exchanged the multi-media card and battery, and then restarted the second 24-hour measurement. The objective of this study is to examine the accurate circadian variation of cardiac autonomic function by space flight. The crew will wear an Actiwatch for 96-hour and an electrocardiograph (ECG) for 48-hour.

Cardio OX:  Wiseman completed sample collections in support of return minus 15 day experiment requirements. The objective of Cardio Ox is to determine whether biological markers of oxidative and inflammatory stress are elevated during and after space flight and whether this results in an increased long-term risk of atherosclerosis in astronauts. Twelve crewmembers will provide blood and urine samples to assess biomarkers before launch, 15 and 60 days after launch, 15 days before returning to Earth, and within days after landing. Ultrasound scans of the carotid and brachial arteries will be obtained at the same time points, as well as through 5 years after landing, as an indicator of cardiovascular health.

Salivary Markers:  Gerst began the 7 day saliva collection to support the Salivary Markers investigation. The Salivary Markers investigation involves the collection of blood, saliva, urine and a health assessment on six subjects pre-, in- and post-flight to determine if spaceflight induced immune system dysregulation increases infection susceptibility or poses a significant health risk to crewmembers onboard the ISS.

Biochem Profile:  Gerst and Wiseman completed sample collections to support the return minus 14 day (R-14) Biochem Profile investigation.  The Biochemical Profile experiment tests blood and urine samples obtained from astronauts before, during, and after spaceflight. Specific proteins and chemicals in the samples are used as biomarkers, or indicators of health. Post-flight analysis yields a database of samples and test results, which scientists can use to study the effects of spaceflight on the body.

Ocular Health:  With Wilmore acting as the Crew Medical Officer operator, the fundoscope was used to conduct a health maintenance system eye exam on Wiseman in support of Ocular health and medical ops investigations.  The Ocular Health protocol calls for a systematic gathering of physiological data to characterize the risk of microgravity-induced visual impairment/intracranial pressure in ISS crewmembers. Researchers believe that the measurement of visual, vascular and central nervous system changes over the course of this experiment and during the subsequent post-flight recovery will assist in the development of countermeasures, clinical monitoring strategies, and clinical practice guidelines.

39S Crew Departure Preparations:  Wiseman and Gerst continued to pack up their personal items in preparation for their return to earth scheduled for November 9th CST.  The packed items will be returning to the ground via Soyuz 39S, SpaceX-4, and SpaceX-5. 
Jacques :-)

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Re: Expedition 41 thread (September 11 - November 24, 2014)
« Reply #89 on: 11/05/2014 11:51 pm »
Tour of the ISS from Elena Serova  :)  (in Russian)



It's a tour of the Russian segment of the ISS :)

THIS is a really quick tour of the entire ISS  :)
« Last Edit: 11/05/2014 11:52 pm by Targeteer »
Best quote heard during an inspection, "I was unaware that I was the only one who was aware."

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Best quote heard during an inspection, "I was unaware that I was the only one who was aware."

Online Chris Bergin


THIS is a really quick tour of the entire ISS  :)

I love that. They always seem to have someone up there who's outreach is "out of this world" (pun intended). Every time!
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Offline Space Pete

Great video - so nice to see that US & Russian crewmembers are still best of friends despite the current political disagreements. A wonderful example of how ISS enables us to transcend our differences and find common ground, rather than pull up drawbridges and build walls.
NASASpaceflight ISS Editor

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Re: Expedition 41 thread (September 11 - November 24, 2014)
« Reply #93 on: 11/07/2014 08:25 am »

ISS Daily Summary Report – 11/05/14

Posted on November 5, 2014 at 4:57 pm by HQ.
 

Zebra Fish Muscle:  Gerst connected a water bag and a waste bag to the Aquatic Habitat water circulation unit and performed water exchange #7. The Zebra fish muscle experiment asks if the atrophy of muscles under the condition of microgravity also occurs in zebrafish and why their atrophy occurs in the microgravity


Cardio Ox: Wilmore, acting as the Crew Medical Officer operator, took return minus 15 days (R-15) blood pressure and ultrasound measurements of subject Gerst.  The objective of Cardio Ox is to determine whether biological markers of oxidative and inflammatory stress are elevated during and after space flight and whether this results in an increased, long-term risk of atherosclerosis in astronauts. Twelve crewmembers will provide blood and urine samples to assess biomarkers before launch, 15 and 60 days after launch, 15 days before returning to Earth, and within days after landing.

Body measures:  Gerst and Wiseman set up cameras and equipment to collect calibration data, body pose photographs, circumference measurements, Neutral Body Posture video and then transferred photographs and videos to the HRF folder for downlink. This study will involve collecting anthropometric data (body measurements) using digital still and video imagery and a tape measure to measure segmental length, height, depth, and circumference data for all body segments from astronauts for pre-, post-, and in-flight conditions.

Electromagnetic Levitation (EML):  Gerst installed the EML sample chamber onto the EML experiment module front panel in preparation for the final commissioning and checkout.  The EML provides for containerless processing of liquid metals in a micro-gravity environment and precise measurement of their thermo-physical properties. 

Ocular Health:  Wiseman acting as crew medical officer (CMO) set up Optical Coherence Tomography (OCT) hardware and software and performed eye exams on Wilmore using the OCT Laptop.  The Ocular Health protocol calls for a systematic gathering of physiological data to characterize the risk of microgravity-induced visual impairment/intracranial pressure in ISS crewmembers. Researchers believe that the measurement of visual, vascular and central nervous system changes over the course of this experiment and during the subsequent post-flight recovery will assist in the development of countermeasures, clinical monitoring strategies, and clinical practice guidelines.

SPRINT:  Wiseman set up the Portable Pulmonary Function system (PFS) power, data, front panel, gas connections and set-up the Mixing Bag System (MBS) in preparation for VO2max and ultrasound sessions later this week.  Integrated Resistance and Aerobic Training Study (Sprint) evaluates the use of high intensity, low volume exercise training to minimize loss of muscle, bone, and cardiovascular function in ISS crewmembers during long-duration missions.

Biological Rhythms 48 hour:  Wiseman concluded the second and final 24 hour measurement, removed the Digital Walk Holter electrocardiogram (ECG) and Actiwatch Spectrum equipment from his body and copied the Digital Walk Holter ECG data to Medical Laptop. The objective of this study is to examine the accurate circadian variation of cardiac autonomic function by space flight. The crew will wear an Actiwatch for 96-hour and an electrocardiograph (ECG) for 48-hour.

Sally Ride Earth Knowledge Acquired by Middle school students (EarthKam):  Russian crew member Samokutyaev performed a lens exchange, configuring the EarthKam camera with a 180mm lens. With this camera lens exchange complete, middle school students will continue with imaging sessions.

39S Crew Emergency Roles and Responsibilities Review:  Samokutyaev, Serova, and Wilmore reviewed the General Instructions section of the ISS Emergency Book.   Priorities during an emergency response include safety of the crew followed by achieving a safe configuration of the ISS. To meet those priorities, the review covers crew accountability, escape vehicle access, maintenance of Soyuz configuration, ISS CDR Responsibility, procedure strategy and intent, communication and coordination.  In addition, the crew reviewed instructions for specific emergency cases such as Fire, Rapid Depress, and Toxic Atmosphere.
Jacques :-)

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Re: Expedition 41 thread (September 11 - November 24, 2014)
« Reply #94 on: 11/07/2014 01:16 pm »

ISS Daily Summary Report – 11/06/14

Posted on November 6, 2014 at 4:24 pm by HQ.
 

Muscle Atrophy Resistive Exercise System (MARES) Battery Removal and Replacement (R&R): Wilmore R&Rd the failed MARES battery followed by a battery status check using the A31p Laptop and battery monitoring Crew Guided Procedure.  MARES is an ESA physiological research facility that is designed to carry out research on musculoskeletal, biomechanical, and neuromuscular human physiology. The results of this research will provide a better understanding of the effects of microgravity on the muscular system and an evaluation of the countermeasures designed to mitigate muscle atrophy. Research performed utilizing the MARES facility is important for long-duration space exploration, as well as for better understanding muscle disorders and rehabilitation methods used on Earth.

Body Measures Equipment Gather: Gerst gathered the hardware required to execute his final session of Body Measures on Friday.  This experiment increases the quantity of in-flight anthropometric data (body measurements) gathered to assess the impact of physical body shape and size changes on suit sizing. This study will involve collecting anthropometric data using digital still and video imagery and a tape measure to measure segmental length, height, depth, and circumference data for all body segments from astronauts for pre-, post-, and in-flight conditions.

Integrated Resistance and Aerobic Training Study (Sprint):  Wiseman completed his final SPRINT session.  This experiment will start again in Increment 43. Today’s session utilized the Portable Pulmonary Function System (PPFS) to monitory the Volume of Oxygen (VO2) during Cycle Ergometer with Vibration Isolation and Stabilization (CEVIS) exercise.  Sprint evaluates the use of high intensity, low volume exercise training to minimize loss of muscle, bone, and cardiovascular function in ISS crewmembers during long-duration missions. Tomorrow, Wiseman will be performing his final Sprint ultrasound session prior to his return on November 9.

Ocular Health: Wilmore, with assistance from Gerst, performed his first eye ultrasound session (Launch+30 day) in support of Ocular Health.  Ocular Health protocols call for a systematic gathering of physiological data to characterize the risk of microgravity-induced visual impairment/intracranial pressure in ISS crewmembers. Researchers believe that the measurement of visual, vascular and central nervous system changes over the course of this experiment and during the subsequent post-flight recovery will assist in the development of countermeasures, clinical monitoring strategies, and clinical practice guidelines.

39S Nominal Departure Drill #2:  In preparation for 39S undock scheduled for Sunday, November 9th CST, Suraev, Gerst, and Wiseman performed On Board Training (OBT) Soyuz Drill #2.  As part of this training, they reviewed preliminary undocking and descent data, worked through the descent timeline (from Soyuz activation through post-landing activities) using the Neptune-ME control panel.

39S Crew Departure Preparations:  Wiseman and Gerst continued to pack their personal items in preparation for their return to earth.  The packed items will be returned via Soyuz 39, SpaceX-4, and SpaceX-5.

Remote Power Controller (RPC) Trip:  Today, the RPC which provides power to the Lab Carbon Dioxide Removal Assembly (CDRA) air selector valves, tripped open.  Ground Teams are reviewing telemetry in order to determine the forward plan for troubleshooting and whether or not the RPC can be re-closed.  Meanwhile, the Node 3 CDRA is operating nominally.
Jacques :-)

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Re: Expedition 41 thread (September 11 - November 24, 2014)
« Reply #95 on: 11/08/2014 08:55 am »
Jacques :-)

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Re: Expedition 41 thread (September 11 - November 24, 2014)
« Reply #96 on: 11/08/2014 10:56 am »
Jacques :-)

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Re: Expedition 41 thread (September 11 - November 24, 2014)
« Reply #97 on: 11/09/2014 04:26 pm »
« Last Edit: 11/09/2014 04:27 pm by jacqmans »
Jacques :-)

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« Last Edit: 11/10/2014 08:39 am by John44 »

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Re: Expedition 41 thread (September 11 - November 24, 2014)
« Reply #99 on: 11/10/2014 02:52 pm »
Expedition 41 Crew Hands Over Reins of ISS.

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