24/7 Space News
Leidos Enhances ISS Capabilities with New xPWD Water System
The xPWD provides potable-quality water at the proper temperature for both food and beverage rehydration. The updated unit design features the ability to transmit health and status telemetry data to assess overall system performance and allow for system updates through ground commanding.
Leidos Enhances ISS Capabilities with New xPWD Water System
by Staff Writers
Reston VA (SPX) Nov 09, 2023

Leidos (NYSE:LDOS), a renowned leader in science and technology, has reached a significant milestone by deploying its innovative Exploration Potable Water Dispenser (xPWD) to the International Space Station (ISS). This deployment marks a substantial achievement in the domain of space exploration technology, providing astronauts with an advanced system for accessing potable water-a vital resource for long-duration space missions.

Developed under the umbrella of NASA's Cargo Mission Contract (CMC), the xPWD is the product of nearly three years of rigorous work by Leidos, encompassing design, development, testing, and certification processes. "Leidos is devoted to solving some of the toughest challenges in space exploration through innovation and determination," said Grant Kim, Senior Vice President and Operations Manager at Leidos. He further emphasized the importance of the system in supporting the health and research activities of astronauts.

The xPWD distinguishes itself with several key features intended to enhance the astronauts' living conditions aboard the ISS. It supplies potable-quality water at appropriate temperatures for both food and beverage rehydration, crucial for sustaining life and scientific work in space. The system's design is a leap forward in space technology, as it includes efficient plumbing line architecture and a novel Thermal Expansion Device that mitigates the risk of biofilm formation and microbial growth-a significant concern in the closed-loop environment of a spacecraft.

One of the most notable technological advancements integrated into the xPWD is the chemical-free Ultraviolet reactor, designed by AquiSense Technologies. The system utilizes UV-C LED technology for point-of-use water disinfection, an efficient method to ensure water purity without the use of chemicals that could potentially have adverse effects in microgravity. UV-C LED reactors are praised for their longer operational lifespans, which is particularly advantageous for missions that extend over several years, reducing the need for frequent servicing or component replacements.

The assembly and certification of the xPWD were finalized in December 2022, and the unit was subsequently delivered for launch aboard the NG-19 Cygnus spacecraft. The spacecraft's successful lift-off on August 1, 2023, was a precursor to the xPWD's deployment and operational status aboard the ISS, achieved on August 30, 2023. Since then, the system has been fully operational, effectively serving the crew's potable water requirements.

The xPWD's successful deployment to the ISS is not just a testament to Leidos' commitment to addressing complex challenges in space exploration but also reflects the advancements in spaceborne water purification systems. The integration of the xPWD into the life support infrastructure of the ISS represents an evolution in the station's capabilities, ensuring that astronauts have reliable access to clean water, which is essential for both their well-being and the success of their missions.

This system's development and deployment required overcoming unique challenges associated with space travel, such as the effects of microgravity on liquid behaviors, the necessity for compact and efficient designs due to limited space, and the importance of durability and minimal maintenance requirements for systems that are difficult to service. The UV-C LED technology used in the water purification process exemplifies the innovative approach to water disinfection, offering a more sustainable and practical solution compared to traditional methods.

As the ISS continues to serve as a hub for scientific discovery and space exploration, the xPWD will play a crucial role in ensuring that astronauts have the resources they need to maintain their health and conduct valuable research. The deployment of such technology is a step forward in sustaining human presence in space, especially as missions venture further from Earth and require more autonomous systems.

In summary, the introduction of the xPWD aboard the ISS by Leidos represents a significant enhancement to the station's life support systems. With its advanced features and efficient design, the xPWD stands as a prime example of the innovative solutions being implemented in space exploration to support the enduring presence of humans in orbit and beyond.

Podcast Deep Space Hydration

Related Links
Space Tourism, Space Transport and Space Exploration News

Subscribe Free To Our Daily Newsletters

The following news reports may link to other Space Media Network websites.
Australian school students are experimenting with 'space veggies' in a NASA initiative
Melbourne, Australia (SPX) Oct 31, 2023
A pink glow is shining on the faces of enthusiastic students as they tend to plants in purpose-built grow boxes for space stations. These students are the first in Australia to experience Growing Beyond Earth - a schools citizen science program from NASA and Fairchild Tropical Botanic Garden in the United States. In Australia, Royal Botanic Gardens Victoria is working with the La Trobe Institute for Agriculture and Food, and Melbourne Archdiocese of Catholic Schools. The educational initiati ... read more

SpaceX Dragon docks with International Space Station carrying new gear

NSF funds annual solicitation seeking physical science research leveraging the ISS National Lab

Leidos Enhances ISS Capabilities with New xPWD Water System

Lost in space: $100,000 tool bag from NASA spacewalk

Hypergolic rocket engine with advanced throttling tested by Sierra Space

SpaceX hopes for second Starship flight test next week

UK and European Space Agency Commit Funding for Shetland Satellite Launch

ESA further boosts RFA One across Europe

NASA's Mars Missions Persist Through Solar Conjunction

A green glow in the Martian night

AI Chemist creates Mars-compatible oxygen catalyst from meteorites

China develops 'GoMars' Model for enhanced Mars mission planning

New scientific experimental samples from China's space station return to Earth

Shenzhou XVI crew return after 'very cool journey'

Chinese astronauts return to Earth with fruitful experimental results

Chinese astronauts return to Earth after 'successful' mission

ESA Embracing Commercial Space Stations with Airbus and Voyager Space Partnership

A third pair of SES' O3b mPower satellites launches from Cape Canaveral

EBAD's NEA Payload Release Modules prove crucial in SpaceX Transporter-9 mission

SpaceX Launches Planet Lab's Pelican-1 and SuperDoves

Airbus Introduces "Detumbler" Device to Address Satellite Tumbling in Low Earth Orbit

ICEYE expands SAR satellite constellation with four new satellites

D-Orbit Welcomes Marubeni Corporation as Lead Investor in Series C Funding

ILLUMA-T launches to the International Space Station

Extended habitability of exoplanets due to subglacial water

An ammonia trail to exoplanets

Major $200M gift propels scientific research in the search for life beyond earth

Webb findings support long-proposed process of planet formation

Juno finds Jupiter's winds penetrate in cylindrical layers

Salts and organics observed on Ganymede's surface by June

New jet stream discovered in Jupiter's upper atmosphere

Uranus aurora discovery offers clues to habitable icy worlds

Subscribe Free To Our Daily Newsletters


The content herein, unless otherwise known to be public domain, are Copyright 1995-2023 - Space Media Network. All websites are published in Australia and are solely subject to Australian law and governed by Fair Use principals for news reporting and research purposes. AFP, UPI and IANS news wire stories are copyright Agence France-Presse, United Press International and Indo-Asia News Service. ESA news reports are copyright European Space Agency. All NASA sourced material is public domain. Additional copyrights may apply in whole or part to other bona fide parties. All articles labeled "by Staff Writers" include reports supplied to Space Media Network by industry news wires, PR agencies, corporate press officers and the like. Such articles are individually curated and edited by Space Media Network staff on the basis of the report's information value to our industry and professional readership. Advertising does not imply endorsement, agreement or approval of any opinions, statements or information provided by Space Media Network on any Web page published or hosted by Space Media Network. General Data Protection Regulation (GDPR) Statement Our advertisers use various cookies and the like to deliver the best ad banner available at one time. All network advertising suppliers have GDPR policies (Legitimate Interest) that conform with EU regulations for data collection. By using our websites you consent to cookie based advertising. If you do not agree with this then you must stop using the websites from May 25, 2018. Privacy Statement. Additional information can be found here at About Us.