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ARP6035 - Discussion of the pressurization comfort criteria during transient and adequate instrumentation for flight tests

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Document Number: ARP6035
Project Initiation: 03-16-2009
Project Number:
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Sponsor Name: Clenilson Jordao Goncalves
Title
Discussion of the pressurization comfort criteria during transient and adequate instrumentation for flight tests
Scope
This project is intended to collect additional data on the physiological effects of Pressure Variations over the aircraft occupants’ comfort extending the references substantiation and re-evaluating the criteria as presented in ARP 1270. Additionally comfort criteria for short duration transient of the pressurization rate of change shall be defined, as well as the instructions on the adequate instrumentation, including calibration, errors and data acquisition frequency shall be provided for aircraft pressurization comfort evaluation.
Rationale
Aircraft manufactures experiences has shown that some effects of the pressurization system that are generally noticeable to the passengers such as short duration cabin pressure rate transient as well as the influence of pre-existing rates on the acceptability of pressure bumps can not be evaluated based on the current criteria or orientation provided in ARP1270. The current criteria presented in ARP1270 was based on experimental data obtained from tests performed with 9 individuals back in 1958 and its understood that additional referential information based on tests with larger sample and up to date instrumentation is needed to confirm or adequate that criteria.
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