HRR - Task - Investigation of Occupant Injury Risk in the Soyuz Vehicle and Comparison to Commercial Crew Designs

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Investigation of Occupant Injury Risk in the Soyuz Vehicle and Comparison to Commercial Crew Designs

Last Published: 07/30/21 01:05:34 PM (Central)

Task Book: Entry
Principal Investigator: Stitzel, Joel

Short Title: Soyuz Impact Comparison to ComCrew

Responsible HRP Element: Human Factors and Behavioral Performance

Collaborating Org(s):

Funding Status: Active - Currently funded and in progress

Procurement Mechanism(s):

Solicited

Aims:

Identify expected injury risks associated with Soyuz nominal and off-nominal landing Scenarios.
Examine differences in injury risk to crew as a function of seat / restraint and loading combinations between Soyuz and modern vehicle designs.

Resources (None Listed)

Deliverables (3)

Category: Study Results
Subcategory:

Description:
Identification of injury risk to crewmembers during nominal and off-nominal landings in the Soyuz capsule.

Internal Customers:
Human Factors and Behavioral Performance
External Customers:
None

Category: Risk Characterization, Quantification
Subcategory: Evidence or Risk Characterization

Description:
Quantification of injury risk differences between Soyuz, Orion, Dragon2, and CST-100 in matched landing conditions.

Internal Customers:
Human Factors and Behavioral Performance
External Customers:
None

Category: Technology or Tool
Subcategory: Computational Models or Simulations

Description:
The work will produce validated analytical tools including a Soyuz seat finite element (FE) model with mid-size male human body FE models which can be used to verify occupant safety of crewmembers in impact conditions.

Internal Customers:
Human Factors and Behavioral Performance
External Customers:
None

Mappings

Risk of Injury from Dynamic Loads

DL-101: We do not understand the risk of injury associated with crewed vehicle landings and how this risk relates to the desired acceptable risk.

DL-301: We do not have an identified, validated and standardized approach for vehicle instrumentation and biodynamic data collection, and predictive analytic biodynamic modeling that would allow for specific risk injury prediction by mission-phase, crew functionality post-landing, and vehicle design.

DL-401: We do not know the extent to which multiple spaceflight hazards (e.g., spaceflight deconditioning, bone loss, radiation exposure, altered gravity) may interact to synergistically decrease injury tolerance for off-nominal dynamic landing loads, increasing risk to crew’s performance in mission-completing actions immediately after landing.

Investigation of Occupant Injury Risk in the Soyuz Vehicle and Comparison to Commercial Crew Designs

Related Tasks (15)

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Risk Approach Plans (1)

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Common Item(s)
	Risk of Injury from Dynamic Loads
	DL-401: We do not know the extent to which multiple spaceflight hazards (e.g., spaceflight deconditioning, bone loss, radiation exposure, altered gravity) may interact to synergistically decrease injury tolerance for off-nominal dynamic landing loads, increasing risk to crew’s performance in mission-completing actions immediately after landing.