SATPC0034541 Tab 04 4 SOW..pdf

Un-Ducted Advanced Noise Control Fan Development – SOW modification

05-March-2024

Tasks 1,2. And Task 3.1 were acceptably completed. NASA now wants to enact Options Tasks 3.2 & 3.3, and Task 4 with modifications. (inflation & lessons learned in Tasks 1 and 2, and 3.1).

ALL ITEMS BELOW COMPETED:

TASK 1: Unducted Advanced Noise Control Fan (UANCF) Concept Study

• Provide a concept study to determine if the Advanced Noise Control Fan can be converted to a run an unducted / open rotor configuration.

• Provide recommendation of utilization design and prediction tools available.

• Provide operational range for a Single Open Rotor (OR) /Single Outlet Guide Vane (OGV) (Stator

Vane) both with adjustable pitch. Provide potential blade count(s), loading, and rotational speed.

• Provide concepts to address inflow issues to simulate flight on static ANCF.

• Recommend acoustic & flow diagnostic measurements (existing and potential).

• Outline methods to address safety concerns in design and operation

• Provide preliminary Work Breakdown Schedule with time and cost estimates for Tasks 2,3,4.

DELIVERABLE 1: Present a Preliminary Design Review to NASA POC no later than 31-December-2022.

PDR to be delivered electronically to NASA POC 3 business days prior to presentation.

TASK 2: Open Rotor and Outlet Guide Vane for UANCF

• Provide geometric and material design for OR/OGV planform

• Incorporates variable rotor and OGV/stator pitch settings

• Incorporates the ability to cost-effectively modify leading/trailing edges of OR/OGVs.

• Iterate/optimize design to achieve performance and noise metrics (TBD) in the ANCF operational range utilizing design tools similar higher

• Incorporates acoustic & flow diagnostic measuring capability.

• Provide safety and operational procedures with monitoring capability.

• Provide Work Breakdown Schedule with time and cost estimates for Tasks 3,4.

DELIVERABLE 2: Present a Final Design Review (FDR) to NASA POC no later than 31-May- 2023. FDR to be delivered electronically to NASA POC 3 business days prior to presentation.

TASK 3: Health Monitoring System (HMS) and Sonic Anemometry System (SAS) Prototypes

TASK 3.1. (COMPLETE)

(a) Engineering Design of HMS to monitor the strain in the rotor and stator aeroelastic response of the

UnD-ANCF.

(b) Engineering Design of SAS to monitor and log the incoming ambient flow conditions.

DELIVERABLE 3.1: (COMPLETED)

(a) Provide written report and present (virtual or in-person) of the HMS Engineering Design

(include procurement list, and proposed integration & checkout schedule) to NASA POC no later than 30-Sep-2023.

(b) Provide written report and present (virtual or in-person) of the SAS Engineering Design (include procurement list, and proposed integration & checkout schedule) to NASA POC no later than 30-Sep-2023.

ALL ITEMS ABOVE COMPETED

EXERCISE THE FOLLOWING OPTIONS

TASK 3: Health Monitoring System (HMS) and Sonic Anemometry System (SAS) Prototypes

TASK 3.2

(a) Procure HMS items identified in Task 3.1a.

(b) Procure SAS items identified in Task 3.1a.

DELIVERABLE 3.2:

(a) Provide inventory control list to NASA POC, in 3.2a no later than 30-June-2024.

(b) Provide inventory control list to NASA POC, in 3.2b no later than 30-June-2024.

(c) Present and provide written report of the HMS Engineering Design to NASA POC no later than 30-June-2024.

(d) Present and provide the written report SAS Engineering Design to NASA POC no later than 30-June-2024.

TASK 4: Manufacture of required parts identified in Tasks 2 & 3. Procure and manufacture hardware presented in Final Design report (Task 2 / Deliverable 2).

DELIVERABLE 4:

(a) Procure items, and provide inventory control list to NASA POC, NLT 30-June-

2024.

(b) Provide dimensional drawings and inventory control list to NASA POC NLT 30-

June-2024.

(c) Present and provide written report for assembly and commission test schedule and cost to NASA POC NLT 30-June-2024.

REMAINS OPTIONAL

TASK 5 (REMAINS OPTIONAL): Assembly and commission test.