1. February 16, 2012 ACME Monthly Status February 2012 Mark Hickman, Project Manager Dennis Stocker, Project Scientist Brian Borowski, Project Contractor Lead 1

2. February 16, 2012 Advanced Combustion via Microgravity Experiments (ACME) GRC Project Manager: MSI/J. Mark Hickman Project Chief Engineer: DT0/Alan Linne Safety Mission Assurance Lead: QE0/Bipin Patel DPMI: Brian Quigley/MB0; Scheduler: Paul McMasters/QinetiQ Contractor Lead: Brian Borowski, ZIN Technologies, Inc. NASA Customer: HEOMD Project Mission Statement: Investigate gaseous fuel combustion by studying: –combustion structure and stability near flammability limits –soot inception, surface growth, and oxidation processes –emission reduction through nitrogen exchange –combustion stability enhancements via an electric field –ignition and flammability of solid spacecraft materials in realistic atmospheric conditions using a gas analog GRC Scope: Requirements, Design, Development, Test, Evaluation, and Operations for Project Project Life Cycle Schedule MilestonesSCRRDRPDRIDRCDRSafety (PH-3)SAR (PSR) FHALaunchOpsEnd OpsFinal Report Actual/ Baseline2/20085/201001/20116/20129/201312/20158/2015 12/20151/201611/201711/2018 The Combustion Integrated Rack. ACME Chamber Insert Assembly Concept. 2 Structure and Response of Spherical Diffusion Flames (s-Flame), PI: Prof. C. K. Law, Princeton U.; Co-Is: Prof. Stephen Tse, Rutgers U.; Dr. Kurt Sacksteder, NASA GRC Flame Design, PI: Prof. Richard Axelbaum, Washington U., St. Louis; Co-Is: Prof. Beei-Huan Chao, U. Hawaii; Prof. Peter Sunderland, U. Maryland; Dr. David Urban, NASA GRC Coflow Laminar Diffusion Flame (CLD Flame), PI: Prof. Marshall Long, Yale U.; Co-I: Prof. Mitchell Smooke, Yale U. Electric-Field Effects on Laminar Diffusion Flames (E-FIELD Flames), PI: Prof. Derek Dunn-Rankin, UC Irvine; Co-Is: Prof. Felix Weinberg, Imperial College, London; Dr. Zeng-Guang Yuan, NCSER/GRC Burning Rate Emulator (BRE), PI: Prof. James Quintiere, University of Maryland; Co-Is: Peter Sunderland, U. of Maryland Project Scientists: Dennis Stocker, NASA GRC; Dr. Fumiaki Takahashi, NCSER/GRC; Paul Ferkul, NCSER/GRC Structure and Response of Spherical Diffusion Flames (s-Flame), PI: Prof. C. K. Law, Princeton U.; Co-Is: Prof. Stephen Tse, Rutgers U.; Dr. Kurt Sacksteder, NASA GRC Flame Design, PI: Prof. Richard Axelbaum, Washington U., St. Louis; Co-Is: Prof. Beei-Huan Chao, U. Hawaii; Prof. Peter Sunderland, U. Maryland; Dr. David Urban, NASA GRC Coflow Laminar Diffusion Flame (CLD Flame), PI: Prof. Marshall Long, Yale U.; Co-I: Prof. Mitchell Smooke, Yale U. Electric-Field Effects on Laminar Diffusion Flames (E-FIELD Flames), PI: Prof. Derek Dunn-Rankin, UC Irvine; Co-Is: Prof. Felix Weinberg, Imperial College, London; Dr. Zeng-Guang Yuan, NCSER/GRC Burning Rate Emulator (BRE), PI: Prof. James Quintiere, University of Maryland; Co-Is: Peter Sunderland, U. of Maryland Project Scientists: Dennis Stocker, NASA GRC; Dr. Fumiaki Takahashi, NCSER/GRC; Paul Ferkul, NCSER/GRC s-Flame (drop test) E-FIELD Flames (1g schlieren) Flame Design (drop test) CLD Flame (aircraft test) BRE (1g test)

3. February 16, 2012 ACME within the CIR Utilization Plan 3

4. February 16, 2012 ACME Status Project Manager: Mark Hickman  Status  Variances ZIN has hired a mechanical designer; he will start 27 February. The delay in staffing has caused some delay in schedule progress. CostScheduleTechnicalMgmt. Feb 2012GYGG Jan 2012GGGY WBS 904211.04.02.30.14 Key Issue/ConcernPotential ImpactAction PlanResolution Date Inverse Flame test may be disallowed by PSRP Significant portion of one PI’s investigation would be precluded Teleconference with JSC PSRP on June 16, 2010 to determine hazard level and methods of control PSRP telecon did not result in a determination. No show stoppers identified. Possible resolution at Phase 0/1 FSR, scheduled for February 22-23, 2012. Data transfer rates from IPSU to IOP too slow for data files May reduce obtainable science or extend on-orbit time to years Request FCF Sustaining Engineering to investigate methods of improving data transfer rates Request made to FCF Mgr. for inclusion in DO-101 Sustaining Engineering SOW; full resolution likely in FY11. Ops changes by FCF have improved average transfer rates a bit, to1.15 MB/s, a 28% improvement. Improvement to 1.80 MB/sec not realized as IOP-HP upgrade implementation results in rack lock-up. Getting BRE up to speed quickly enough that the design is not negatively impacted May have to do some redesign to ACME Working with BRE PS to get requirements in as early as possible. BRE Integration Requirements Document, February 2012 ✓ SCR, Aug 2012 Contractor staffing levels may be difficult to maintain The pace of the contracted work could slow Continue to monitor progress and staffing levels September 2012 4

5. February 16, 2012 ACME Key Project Metrics WBS 904211.04.02.30.14 5 Accomplishments Staffing A new systems engineer, Chris Mroczka, has been hired by ZIN and started on 23 January A new mechanical designer, Joe Changle, has been hired by ZIN and will start 27 February Avionics Package (AVP) 25 drawings completed as of January and under configuration management Framework drawings through review and are ready for release Final tolerance stack-up for Hard Drive design in process Power Board Heatsink complete and undergoing final updates before engineering review Chamber Insert Assembly (CIA) 64 drawings completed as of January and under configuration management EM Igniter Assembly build complete EM Igniter Test Plan in review cycle E-Field Power Supply assembly completed and drawings into CM E-Field Mesh brazing fixture designed Color Camera Package (CCP) Redesigning the motor mounts on the Zoom Lens Addressing packaging concerns of the new design Determining if the camera assembly can be made an ORU Other Completed dry run of Phase 0/1 Flight Safety Review presentation

6. February 16, 2012 ACME FY12 Milestone Summary Next Milestone Risk Next major milestone is Interim Design Review, June 2012. This will be prior to major Engineering Model hardware build efforts and an independent check on technical progress to date. Milestones (FY12) BaselineProjectedActualSchedule Variance Phase 0/1 Safety ReviewNov 2011Feb 22-23, 2012 Continued work with GRC to create an integrated ACME/CIR Safety Data Package has delayed submittal to PSRP. Not a critical path item. Ignition subsystem build completeDec 2011Jan 2012 Igniter subsystem built and in test Stereo-Lith of 3 main subsystem packages (CIA, Camera, Avionics) Jan 2012 Waiting for Vendor quote Complete Assembly of E-Field subsystem Feb 2012 E-Field mesh in work BRE Interface Requirements DocumentFeb 2012Jan 2012 Draft document completed Procurement of EM Mass Flow Controllers Mar 2012 Preliminary EMI testing of E-Field subsystem Apr 2012 Interim Design ReviewJun 2012 Avionics package structure design complete Aug 2012 BRE SCRAug 2012 Flow subsystem build completeSep 2012 Project is less than 1 month behind planProject is less than 2 months behind planProject is greater than 2 months behind plan Schedule Color Key WBS 904211.04.02.30.14 6

7. February 16, 2012 Project Manager’s Top Challenges 1.Integration of BRE into ACME may be difficult and the timing may be problematic (working to get BRE SCR in August) 2.Contractor may fall behind if they cannot staff up sufficiently to meet the planned work (ZIN has hired two new employees in January and February; another technician is needed by the summer) 3.Technical, cost, and schedule integration of BRE into ACME; funding liens created for next 2-3 years (mitigated by infusion of funds) 4.Inverse Flame experiment could be disallowed if deemed hazardous, significantly preventing large portion of one PI experiments (performed early detonation analysis on Inverse Flame to provide assurance of safety to PSRP at Phase 0/1 Flight Safety Review) 5.Insufficient on-orbit transfer rates to quickly telemeter data to ground (performed telemetry analysis to determine data volume and rates; however rates still determined to be insufficient) 6.Large number of Test Points to accomplish over mission life—approximately 250 test points for 5 experiments ACME WBS 904211.04.02.30.14 7

8. February 16, 2012 ACME Risk Assessment (Top 5 Risks) LIKELIHOODLIKELIHOOD 5 014 4 3 010 2 008 019, 020 1 003017 12345 CONSEQUENCES CriticalityL x C Trend High  Increasing (Worsening)  Decreasing (Improving)  Unchanged ( ★ ) New since last month Med Low Approaches: Mitigate, Watch, Accept, Research Last update 02/14/12 WBS 904211.04.02.30.14 Risk IDRisk TitleRisk StatementLCApproach ACME 014 O’Toole 12/2010 IPSU to IOP image transfer rate Given that the current data transfer rates from the IPSU to the IOP is severely limited, transfer of ACME data may take an unacceptable amount of time and may reduce obtainable science for the allotted operational time on-board ISS. 53 Mitigate: FCF Sustaining Engineering will investigate methods of improving data transfer rates. Close: Dec 2012 ACME 010 Beltram 06/2010 CIA electronics and fuel mixture compatibility Given that the CIA electronics are exposed to chamber atmosphere; then there may be incompatibility with elements of the chamber atmosphere including fuels, oxygen and diluent mixtures causing the cube to fail. 35 Research: Develop a test plan to determine what components and what surface treatments would mitigate this risk. Close: Dec 2012 ACME 008 Gobeli 12/2009 E-field emission exceedences Given that there might be e-field exceedence emissions; then there is the possibility that the EMI requirement will not be met and ACME hardware would be adversely effected causing diminished science to occur. 23 Mitigate : Test integrated system bread board for EMI interference. Close: April 2012 ACME 017 Rogers 8/2011 Lack of adequate ISS supplied Nitrogen Given that it is not known how much ISS Nitrogen can be supplied and re- supplied for use by the CIR for ACME; then there is the possibility that Nitrogen will not be available for ACME and a loss of science will occur. 13 Watch: Awaiting the test point matrix to be developed to get a better estimate of required nitrogen. Close: Dec 2012 ACME 003 Borrelli Inability to perform inverse flame experiments Given that safety constraints could lead to an inability to perfom inverse flame experiments; then there is the possibility that a loss of science will occur. 12 Research: Team to determine what CIR hazards will be impacted and what can be done so ACME science can be obtained Close: March 2013 8 Risks 019 & 020 retired in February

9. February 16, 2012 ACME Key Project Metrics — FY11 Released Drawings Measure of Performance WBS 904211.04.02.30.14 9 Drawings come in batches. Additional CIA drawings should be entered into Configuration Management by the end of the Month. AVP drawings ahead of schedule due to additional designer. With addition of third mechanical designer, work on Color Camera Package will begin early and in parallel to other work instead of in series. Chart to be updated by the end of February. EM Build Begins Final Design CompleteEM Build CompleteCDR Interim Design Review

10. February 16, 2012 ACME Project Review Action Items WBS 904211.04.02.30.14 10 Action Number Date Initiated Date Due Person(s) Responsible ProjectActions – Notes/StatusDate Completed MSI-Rev-808/01/1101/01/12StockerACMEDennis Stocker to develop a good draft of the EDMP by January 2012. Jan 6, 2012 MSI-Rev-8: Dennis completed a draft EDMP with ACME PI input on January 6, 2012.

11. February 16, 2012 Backup Charts 11 E-Field Power Supply Cooling Plate Thin Fiber Pyrometry (TFP) Motor Motor Drivers Burner Far Field TCs Mass Flow Controllers Input Manifold Analog Camera Cube E-Field Mesh PMTs Igniter Motor Igniter notes – The model shows the igniter arm In both deployed and stowed positions, and shows the igniter tip in two different places

12. February 16, 2012 ACME Key Project Metrics — FY11 Preliminary Design Review (PDR) Requests for Action (RFAs) WBS 904211.04.02.30.14 RFA#RFA TitleSubmitterRecommended ActionPlanned ActionACME RFA Assignee Status ACME- PDR-01 Materials List/Prelimi nary LLIL Anita TenterisIdentify the material compatibility and shelf life limits for the soft goods used in ACME and CIR. Track potential issues particularly with Data Cube in RMIT. Complete analysis and provide this with Preliminary MIUL at CDR. Borowski, Borelli OPEN ACME- PDR-02 CIR H/W may affect ACME design and/or experiment Anita TenterisThe following needs to be investigated further to assess compatibility: ACME Venting compatibility with CIR hardware Are the gasses/liquids compatible with CIR hardware, particularly with the soft goods in the solenoid valves? What are the limited life items for CIR? Do any of the items need to be replaced prior to ACME use? An assessment of the venting compatibility has been addressed and was deemed acceptable by the project. As the project matures, CIR will assess compatibility of the materials in their system with ACME gasses, products of combustion and any other applicable interactions. Complete analysis and provide this with Preliminary MIUL at CDR. Borowski, Borelli OPEN ACME- PDR-03 Warnings for Operations (software) Alan LinneThe flight and ground software designs should incorporate software requirements to identify invalid commands and command parameters that are outside of allowable limits and to alert operations personnel that invalid commands were entered. Ground software will check limits on commands. A signals list will store valid ranges for the signals. A requirement will be added to the ground software which will require it to check limits per the signals list. The verification for this requirement will show that all commands have valid range checking, allowable states, etc. Borowski, Medved OPEN ACME- PDR-04 Detonation Analysis Alan LinnePerform a detonation analysis on the expected ACME gas mixtures. This should be done prior to the ACME Phase 0/1 Flight Safety Review, since it may inform some of the hazard analysis. Also, the results of this could drive the consumables usage and could limit the amount of science performed. A detonation analysis has been performed for the ACME Inverse Flame Experiment, which is considered to be the most limiting experiment and could impact ACME science and resources most. The full detonation analysis is required for the Phase 2 FSR and will be completed prior to that review. BorowskiOPEN ACME- PDR-05 Oxygen Design Percentage Alan LinneDetermine the worst case O 2 percentage (and pressure) that could potentially be in the CIR chamber with ACME installed, based on credible failures to CIR & ACME equipment and use this percentage as the design point for ACME. Also, determine if an oxygen compatibility assessment needs to be performed for the ACME CIA. The Integrated Hazard Analysis has been completed and the worst case oxygen percentages and pressures have been identified and addressed in the Hazard Report. An oxygen compatibility assessment is planned for ACME’s CIA. Borowski, BorelliOPEN 12

13. February 16, 2012 ACME Key Project Metrics — FY11 (Cont.) Preliminary Design Review (PDR) Requests for Action (RFAs) WBS 904211.04.02.30.14 RFA#RFA TitleSubmitterRecommended ActionPlanned ActionACME RFA Assignee Status ACME- PDR-06 Updated Hazards Report and Review of CIR Hazards Linne, Grant, O’Malley The ACME and CIR teams should provide an integrated CIR/ACME Safety story. Perform an integrated hazard analysis and prepared integrated hazard reports. The integrated CIR/ACME hazard analysis should be part of the Phase 0/1 FSR. Perform an integrated hazard analysis of the ACME system design that incorporates the pressure switch, solenoid valve, and pressure regulator to ensure the ACME system meets the intent of the CIR hazard analysis. An Integrated Hazard Analysis has been completed with the participation of the CIR Team. An Integrated Safety Data Package has been prepared and will be part of the ACME Phase 0/1 Flight Safety Review. Borowski, Borelli OPEN ACME- PDR-07 ACME Project Plan and SEMP Details O’MalleyUpdate the Project Plan. Complete a bottoms up cost estimate and end-to-end schedule. Consider performing a parametric cost estimate. Update the SEMP to include technical details through launch. Include flight spares, environmental testing, Ground/Flight Support Equipment, etc. The Project Manager will update the Project Plan and will include a parametric cost estimate and end-to-end schedule. Updates to the SEMP will be made regularly as more information becomes available to the team. Hickman, Borowski OPEN ACME- PDR-08 Requirements Flow Down Incomplete O’MalleyComplete the ERD. Environmental testing requirements should be included as part of this, waivers for fragile equipment should be identified early. Look for ways to combine & streamline the verification process. FCF-ICD-CIR-ACME addresses carrier requirements (both CIR and ISS). ACME-REQ-001 points to this document. Safety and Mission Assurance requirements will be detailed in the ACME Hazards and Integrated CIR-ACME Hazard reports. Following the Phase 0/1 Flight Safety Review, where these reports are approved, the requirements will be incorporated into ACME- REQ-001. The verification process will group requirements by identified discipline to facilitate verification and validation. BorowskiOPEN ACME- PDR-09 Review Operational Requirements with Principal Investigators VanderAarIt is imperative that: 1) the currently documented operational requirements are vetted with each of the PI’s; 2) the engineering team talks with each of the PI’s. This will ensure that both parties fully understand what is meant by each of the requirements, and also give the engineering team a chance to uncover additional operational requirements. The Project Scientist has vetted the Ops requirements documented in ACME-SORD-001 with the respective PI’s. He has also discussed the Ops requirements with the ACME Engineering Team to be sure that the requirements are well understood. The ERD revision including the updates with the Ops requirements has been completed and released. This information closes ACME-RDR-006 (RFA). Borowski, Stocker OPEN 13

14. February 16, 2012 ACME Igniter Assembly WBS 904211.04.02.30.14 14 Breadboard Igniter Arm Assembly

15. February 16, 2012 ACME Camera Assembly WBS 904211.04.02.30.14 15 Digital Camera Zoom Lens Filter Barrel Mirror Camera Control Assembly

16. February 16, 2012 16 Advanced Combustion via Microgravity Experiments (ACME) WBS: 904211.04.02.30.14 Project Life Cycle Schedule ISS Resource Requirements Objective : Modular apparatus designed for gaseous fuel investigations, studying: –combustion structure and stability near flammability limits –soot inception, surface growth, and oxidation processes –emission reduction through nitrogen exchange –combustion stability enhancements via an electric field Relevance/Impact: 85% of delivered energy comes from combustion. ACME tests will enable improved carbon sequestration and pollution control with “Important consequences for energy conversion, pollutant formation, fire safety, and green house gas emission” Verified computational models that will enable the design of high efficiency, low emission combustors operating at near-limit conditions Reduced design costs due to improved capabilities to numerically simulate combustion processes “Great prospects of improving our understanding of nearly every practical combustion device.” Development Approach: Flight design leverages off the MDCA flight design Multi-user, re-usable apparatus within CIR minimizing up-mass/volume, costs, and crew involvement ACME fuels will be dilutions of ethylene/nitrogen, methane/nitrogen and methane/hydrogen Structure and Response of Spherical Diffusion Flames (s-Flame), PI: Prof. C. K. Law, Princeton University; Co-Is: Prof. Stephen Tse, Rutgers U.; Dr. Kurt Sacksteder, NASA GRC Flame Design, PI: Prof. Richard Axelbaum, Washington University, St. Louis Co-Is: Prof. Beei-Huan Chao, U. Hawaii; Prof. Peter Sunderland, U. Maryland; Dr. David Urban, NASA GRC Coflow Laminar Diffusion Flame (CLD Flame), PI: Prof. Marshall Long, Yale University Co-I: Prof. Mitchell Smooke, Yale University Electric-Field Effects on Laminar Diffusion Flames (E-FIELD Flames), PI: Prof. Derek Dunn-Rankin, UC Irvine Co-Is: Prof. Felix Weinberg, Imperial College, London; Dr. Zeng-Guang Yuan, NCSER/GRC Burning Rate Emulator (BRE), PI: Prof. James Quintiere, University of Maryland; Co-Is: Peter Sunderland, U. of Maryland PS’s: Dennis Stocker, NASA GRC; Dr. Fumiaki Takahashi, NCSER/GRC PM: Mark Hickman, NASA GRC Engineering Team: ZIN Technologies, Inc. Accommodation (carrier)CIR Upmass (kg) (w/o packing factor) 250 kg Volume (m 3 ) (w/o packing factor) 0.50 m 3 Power (kw) (peak) 0.75 Kw Crew Time (hrs) - Initial configuration of CIR Rack - Change-outs during experiment 8 hrs Autonomous Ops (hrs)200 hrs Launch/IncrementTBD/ Inc. 49-54 s-Flame (drop test) E-FIELD Flames (1g schlieren) Flame Design (drop test) CLD Flame (aircraft test) Website: spaceflightsystems.grc.nasa.gov/Advanced/ISSResearch/Investigations/ACME MilestonesSCRRDR/SDRPDRCDRSafety (PH-3)SAR (PSR)FHALaunchOpsEnd OpsFinal Report Actual/ Baseline2/20085/201001/20112/201412/20156/2016 10/20161/20174/20184/2019

17. February 16, 2012 ACME Science Team Locations 17 1.C.K. Law, Princeton University 2.Stephen Tse, Rutgers University 3.Richard Axelbaum, Washington University, St. Louis 4.Beei-Huan Chao, University of Hawaii 5.James Quintiere, Peter Sunderland, University of Maryland 6.Marshall Long, Mitchell Smooke, Yale University 7.Derek Dunn-Rankin, UC Irvine 8.Felix Weinberg, Imperial College, London 9.Zeng-Guan Yuan, NCSER, Kurt Sacksteder, GRC, David Urban, GRC       