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Artificial Gravity
This book reviews the principle and rationale for using artificial gravity during space missions, and describes the current options proposed, including a short-radius centrifuge contained within a spacecraft. Experts provide recommendations on the research needed to assess whether or not short-radius centrifuge workouts can help limit deconditioning of physiological systems. Many detailed illustrations are included.
Artificial Gravity
This book reviews the principle and rationale for using artificial gravity during space missions, and describes the current options proposed, including a short-radius centrifuge contained within a spacecraft. Experts provide recommendations on the research needed to assess whether or not short-radius centrifuge workouts can help limit deconditioning of physiological systems. Many detailed illustrations are included.
Artificial Gravity
What Is Artificial Gravity The production of an inertial force that simulates the effects of a gravitational force, often by rotation, is known as the generation of artificial gravity.Instead of the force experienced in linear acceleration, which, according to the equivalence principle, cannot be differentiated from gravity, artificial gravity, also known as rotational gravity, is the appearance of a centrifugal force in a rotating frame of reference.The term "artificial gravity" may also be used to refer to the impact of linear acceleration, such as that produced by a rocket engine. This is a broader definition of the term. How You Will Benefit (I) Insights, and validations about the follow...
Optimization of Manned Orbital Satellite Vehicle Design with Respect to Artificial Gravity
A design envelope is established as the result of a human factors analysis of the artificial gravity environment peculiar to rotating space vehicles. The envelope is prescribed by: an upper limit on vehicle angular velocity of 0.4 radian/second to minimize the occurrence of ''canal sickness''; a basic upper limit on artificial gravity of 1 g; and a basic lower limit on artificial gravity of 0.2 g as the lowest value of g at which man can walk unaided. Both g-limits are modified to compensate for Coriolis forces which cause variation in g-level for tangential walking inside the rotating vehicle. An upper limit on vehicle radius of 180 feet is established on the basis of engineering practicality. The optimum vehicle configuration is established as a Modified Axially Expanded Dumbbell, characterized by a single, cylindrical, living-working compartment oriented parallel to the spin axis, counterbalanced by other vehicle components. The configuration is illustrated in the conceptual Pseudo-Geogravitational Vehicle, which has a radius of 180 feet a d an operational angular velocity of 0.4 radian/second to produce 0.9 g in th livi g-working compartment. (Author)
Artificial Gravity as a Countermeasure of Cardiovascular Deconditioning in Spinal Cord Injury
An essential item in the development of this project was the availability of the artificial gravity simulator (AGS). At the termination of that grant in 1994, the AGS was dismantled and transferred to NASA Johnson Space Center. It took over two years for the AGS to be re-assembled and re-certified for use. As a consequence of the non-availability of the AGS for two years, there was a considerable delay in implementing the various phases of the project. The subjects involved in the study were eight healthy able bodied subjects and twelve with spinal cord injury. After analysis of the data collected on these subjects, six of the healthy able bodied subjects and three of the sub ects with spina...
NASA Activities
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ASD Technical Report
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