Mostrando entradas con la etiqueta Houston. Mostrar todas las entradas
Mostrando entradas con la etiqueta Houston. Mostrar todas las entradas

viernes, 6 de junio de 2014

NASA : NASA's Orion Spacecraft is Ready to Feel the Heat


Engineers complete installing the heat shield on NASA’s Orion spacecraft
Engineers completed installing the heat shield on NASA’s Orion spacecraft ahead of its first trip to space in December. The flight test will send an uncrewed Orion 3,600 miles into space before returning it to Earth for the splashdown in the Pacific Ocean. The heat shield will help protect the Orion crew vehicle from temperatures of about 4,000 degrees Fahrenheit during its reentry into Earth’s atmosphere.
Image Credit: NASA/Daniel Casper
 
NASA and Lockheed Martin engineers have installed the largest heat shield ever constructed on the crew module of the agency's Orion spacecraft. The work marks a major milestone on the path toward the spacecraft's first launch in December.
"It is extremely exciting to see the heat shield in place, ready to do its job," said Mark Geyer, Orion Program manager at NASA's Johnson Space Center in Houston. "The heat shield is such a critical piece, not just for this mission, but for our plans to send humans into deep space."
The heat shield is made of a coating called Avcoat, which burns away as it heats up in a process called ablation to prevent the transfer of extreme temperatures to the crew module. The Avcoat is covered with a silver reflective tape that protects the material from the extreme cold temperatures of space.
Orion’s flight test, or Exploration Flight Test-1, will provide engineers with data about the heat shield's ability to protect Orion and its future crews from the 4,000-degree heat of reentry and an ocean splashdown following the spacecraft’s 20,000-mph reentry from space.
Data gathered during the flight will inform decisions about design improvements on the heat shield and other Orion systems, and authenticate existing computer models and new approaches to space systems design and development. This process is critical to reducing overall risks and costs of future Orion missions -- missions that will include exploring an asteroid and Mars.
Orion's flight test also will provide important data for the agency’s Space Launch System (SLS) rocket and ocean recovery of Orion. Engineers at NASA’s Marshall Space Flight Center in Huntsville, Alabama, have built an advanced adapter to connect Orion to the United Launch Alliance Delta IV Heavy rocket that will launch the spacecraft during the December test. The adapter also will be used during future SLS missions. NASA’s Ground Systems Development and Operations Program, based at Kennedy Space Center in Florida, will recover the Orion crew module with the U.S. Navy after its splashdown in the Pacific Ocean.
The heat shield was manufactured at Lockheed Martin's Waterton Facility near Denver. Construction was completed at Textron Defense Systems near Boston before the heat shield was shipped to the Operations and Checkout Building at Kennedy, where Orion is being assembled.
In the coming months, the Orion crew and service modules will be joined and put through functional tests before the spacecraft is transported to Kennedy’s Payload Hazardous Servicing Facility for fueling. The spacecraft then will be transferred to the Launch Abort System (LAS) Facility to be connected to the LAS before making the journey to Cape Canaveral’s Space Launch Complex 37 for pad integration and launch operations.
For more information on Orion, visit:
NASA
Guillermo Gonzalo Sánchez Achutegui

domingo, 18 de agosto de 2013

NASA - NASA Aircraft Take to Skies over Houston for Air Pollution Study


DISCOVER-AQ data showing smoke over the Chesapeake Bay from wildfires in North Carolina and Georgia in July 2011.
Image Credit: NASA

Know Your Earth 3.0: Discover AQ
April 2, 2013
Discover AQ banner with Jennifer Olson
› Download banner (PDF)
About Jennifer Olson
Jennifer Olson works at NASA's Langley Research Center in Hampton, Va., and recently helped launch DISCOVER-AQ (Deriving Information on Surface conditions from Column and Vertically Resolved Observations Relevant to Air Quality). DISCOVER-AQ is an airborne field campaign to study pollution where people live and breathe. Olson works with scientists from an array of U.S. and international universities and research centers, focusing on gases, particles called aerosols and solar radiation fields in the atmosphere.
When Olson was a child, two of her favorite things were the marching band at Santa Fe High School, in Santa Fe, Texas and watching the weather. Today, Olson doesn't get a chance to play the clarinet as often as she'd like. She is, however, still studying the sky and it is no longer from a homemade weather station in her backyard. Olson received her bachelor's degree from Texas A&M University, College Station, Texas and went on to get her master's from Georgia Institute of Technology, Atlanta. She started working at NASA through a continuing education program, and went back to Georgia Tech to get her doctorate. While there, she did research with scientists at Princeton University, using their global chemical transport model to study ozone production due to tropical biomass burning in South America. She eventually started researching tropospheric ozone for NASA, which ties into her current work on data analysis and modeling for airborne field campaigns like DISCOVER-AQ.
During DISCOVER-AQ, scientists fly planes that have been outfitted with instruments that measure gases, aerosols and solar radiation in the atmosphere. That information is sent back to Langley, where Olson and her colleagues analyze and diagnose what chemical interactions are taking place in the atmosphere and how data from satellites can be used to understand pollution. The research team has flown over the Washington, D.C., area and the San Joaquin Valley in California to measure pollution. The Houston area is the next location on NASA's DISCOVER-AQ schedule for September 2013, so Olson's hometown friends shouldn't be surprised if they see low-flying planes in Santa Fe, too.
About Discover-AQ
Data visualization using DISCOVER-AQ data
DISCOVER-AQ data showing smoke over the Chesapeake Bay from wildfires in North Carolina and Georgia in July 2011.
Image Credit: NASA
 
DISCOVER-AQ is a five-year field campaign to improve the use of satellites to monitor air quality for public health and environmental benefit. Near-surface pollution is one of the most challenging problems for Earth observations from space. Through targeted airborne and ground-based observations, DISCOVER-AQ will enable more effective use of current and future satellites to diagnose ground level conditions influencing air quality.
UC-12 aircraft over Chesapeake Bay
The UC-12 aircraft flies over the Chesapeake Bay at sunrise as part of the DISCOVER-AQ mission.
Image Credit: NASA
 
The UC-12 aircraft flies over the Chesapeake Bay at sunrise as part of the DISCOVER-AQ mission.
Funded by the NASA Earth Venture program, the DISCOVER-AQ mission employs two NASA aircraft to make a series of flights with scientific instruments aboard to measure gaseous and particulate pollution. The measurements are taken in concert with ground observations in order to shed light on how satellites could be used to make similar, consistent measurements over time, with the ultimate goal of putting better data in the hands of policy-makers and elected officials. DISCOVER-AQ flights took place over Baltimore-Washington, D.C. in 2011 and over the San Joaquin Valley in California in early 2013. The next mission destination is Houston in September 2013.
DISCOVER-AQ is a collaboration between scientists at NASA's Langley Research Center in Hampton, Va.; NASA's Goddard Space Flight Center in Greenbelt, Md.; the National Oceanic and Atmospheric Administration; the U.S. Environmental Protection Agency; and multiple universities and localities.
Additional Links
› Know Your Earth 3.0
› DISCOVER-AQ project website
› NASA's DISCOVER-AQ website
› DISCOVER-AQ Results
› Follow DISCOVER-AQ on Twitter through the Airborne Science Program
› DISCOVER-AQ images on Flickr

NASA Aircraft Take to Skies over Houston for Air Pollution Study
A multi-year NASA science mission soon will be airborne over Houston to help scientists measure and forecast air quality from space.
NASA is inviting media  to see two NASA aircraft equipped with scientific instruments at Ellington Field in Houston on Tuesday, Sept. 3 as the planes are being readied for a month-long series of flights over the metropolitan area beginning Wednesday, Sept. 4. The date for this media opportunity is subject to change depending on the schedule of research flights.
To arrange for credentials, contact William Jeffs at 281-483-5111 or william.p.jeffs@nasa.gov. Non-U.S. media planning to attend must respond by Tuesday, Aug. 20. U.S. reporters must respond by Wednesday, Aug. 28.
The P-3B turboprop and two-engine B200 King Air plane are part of a five-year study NASA calls DISCOVER-AQ, which is short for Deriving Information on Surface conditions from Column and Vertically Resolved Observations Relevant to Air Quality.
Researchers are working to improve the ability of satellites to consistently observe air quality in the lowest part of the atmosphere. If scientists can better observe pollution from space, they may be able to make better air quality forecasts and more accurately determine where pollution is coming from and why emissions vary.
Flights will be at altitudes as low as 1,000 feet. Sampling will focus on the Houston metropolitan area ranging from Conroe in the north to Galveston in the south.
DISCOVER-AQ is an Earth Venture mission, part of the Earth System Science Pathfinder program managed at NASA's Langley Research Center in Hampton, Va., for the Earth Science Division of NASA's Science Mission Directorate in Washington.
For more information on DISCOVER-AQ, visit:
and
NASA
Guillermo Gonzalo Sánchez Achutegui
ayabaca@gmail.com
ayabaca@hotmail.com
ayabaca@yahoo.com

domingo, 14 de octubre de 2012

NASA - Space Life Sciences - NASA Signs Agreement to Develop Nasal Spray for Motion Sickness


Human Health Benefits
NASA Signs Agreement to Develop Nasal Spray for Motion Sickness
HOUSTON -- NASA's Johnson Space Center in Houston and Epiomed Therapeutics Inc. of Irvine, Calif., have signed an agreement to develop and commercialize a NASA-crafted, fast-acting nasal spray to fight motion sickness.

Under the Space Act Agreement, Epiomed will formulate the drug, called intranasal scopolamine, or INSCOP. Astronauts often experience motion sickness in space. As a result, NASA has conducted extensive research into the causes and treatments for the condition. Scopolamine is effective and can be administered as a tablet or injected. With a precise dosage, the NASA spray formulation has been shown to work faster and more reliably than the oral form.

"NASA and Epiomed will work closely together on further development of INSCOP to optimize therapeutic efficiency for both acute and chronic treatment of motion sickness which can be used by NASA, the Department of Defense and world travelers on land, in the air and on the seas," said Lakshmi Putcha, developer of the innovative treatment strategy at Johnson.

A gel formulation of INSCOP was developed and tested under a Space Act Agreement between Johnson and the Naval Aerospace Medical Research Laboratory in Pensacola, Fla. Results from that trial were published in the journal Aviation, Space and Environmental Medicine in April 2010 that suggest INSCOP is a fast-acting and reliable way to prevent and treat motion sickness.

The U.S. Navy is working on an agreement with Epiomed to test the nasal spray. NASA and Epiomed will collaborate on clinical trials related to the Federal Drug Administration requirements. NASA is transferring sponsorship of future clinical trials and FDA approvals to Epiomed, which will supply the product for use by NASA and others.

For more about Johnson's Human Health and Performance Directorate, which developed INSCOP, visit:

For more on NASA and agency programs, visit:

Human Health Benefits


General Health/ Dietary Guidelines: Fish (intake) and Bone Loss

Data from the International Space Station has documented a relationship between fish intake and bone loss in astronauts (that is, those that ate more fish lost less bone). Related findings have also been shown in two sets of ground-based space flight simulation studies evaluating the role of omega-3 fatty acids, the fatty acid found in fish. In a bed rest study, the rate of bone breakdown was related to omega-3 fatty acid intake (again, more omega 3, less bone breakdown). In a series of cell culture studies, cells that break down bone were less active when omega-3 fatty acids were added. While more detailed studies in flight are required, this has broad implications for all Americans, especially in light of osteoporosis and other bone diseases, which affect millions of people. This research was provided by Scott Smith.

General Health/ Dietary Guidelines: Vitamin D Requirements: From the ISS to Antarctica to North America

NASA Human Research Program has provided research to define vitamin D requirements for spaceflight contributed to the new dietary recommendations of vitamin D for North Americans. Because spacecraft shields astronauts from ultraviolet light, and the space food system is low in vitamin D, it has been determined crews need extra vitamin D to maintain health. To better understand the vitamin D requirement in this unique environment, NASA, in collaboration with the National Science Foundation, conducted two vitamin D supplementation studies in people wintering in Antarctica, when sunlight is limited for an average of six months. Published study results were featured in the 2011 re-evaluation of vitamin D requirements for North America by the Institute of Medicine. The Antarctic studies also characterized that body mass index can affect vitamin D status and response to vitamin D intake. Specifically, it was found that people with a higher body mass index require more vitamin D in order to achieve the same blood concentration of vitamin D as someone with a lower body mass index. These results have significant importance for the general population, where more than 1/3 of Americans are obese. This research was provided by Scott Smith.

Water Purification: Filtering Apparatus and Method of Use (Patent #7935259)

This water filtering innovation is used to eliminate contaminants from water supplies. Originally designed for purification of wastewater for reuse aboard the International Space Station (ISS), the technology can be used in numerous situations on Earth to obtain potable, medical-grade water from contaminated supplies. The unique aspect of the technology is its use of acoustics rather than pressure to drive water through the filtration system. The filter is made of small-diameter carbon nanotubes embedded within plastic or metallic assemblies. The small diameter of the nanotubes allows only water molecules to pass through, leaving behind any larger molecules and contaminants. The invention also may be used to remove water from chemical compounds, such as removing water from alcohols. The device requires less power than conventional filtration systems and is well-suited to a variety of water purification needs. The innovation is:
  • Effective: Produces clean water by eliminating contaminants
  • Efficient: Requires less power than conventional filtration systems, enabling remote operation and solar power options
  • Easy to clean: Features non-clogging technology
  • Flexible: Does not depend on gravity for water to flow through the system
  • Scalable: Allows for use of a single filter or a large bank of integrated filters, depending on filtration needs
  • Affordable: May be assembled using low-cost, non-degrading, easily obtained materials
  • Straightforward: Facilitates automated production of all filter components
  • Widely applicable: Suits applications for a variety of water processing needs, ranging from industrial to consumer applications
Although the technology is currently under development, once fully developed it could enable recycling of water on the ISS and other spacecraft. On the ISS, alcohol and impurities in onboard water systems shorten the life of sorbent beds and negatively affect microscale machinery. Current methods of dealing with these contaminants are not completely efficient and result in equipment degradation and failure over time. For instance, the current method of dealing with alcohol in the water on the ISS is catalytic in nature and yields hazardous byproducts such as formaldehyde. The ISS regularly dumps unusable water, necessitating that tons of water be flown there every year to replenish the supply. A system that could separate alcohol from the water, making it suitable for reuse aboard the ISS, would save NASA millions of dollars. As NASA plans for human exploration of Mars, a host of technologies will be needed to protect travelers from the hazards of deep space. This innovation could offer significant benefits for water purification applications and contribute to NASA’s efforts to develop breakthrough technologies that enable deep space exploration. Non-Aerospace Commercialization Uses: The potential benefits of this technology are applicable for a raft of Earth-based water processing needs. End-users could include both industrial and municipal entities that plan to reuse recycled water, desalinate brackish or sea water, or treat surface or ground water for potable use. In addition, the technology could be incorporated into portable or handheld water filtration units, suitable for use in remote locations. This research is provided by Lillian Gavalas.



Space Life Sciences - Exploring Space | Enhancing Life
NASA
Guillermo Gonzalo Sánchez Achutegui
ayabaca@gmail.com
ayabaca@hotmail.com
ayabaca@yahoo.com