Current Projects/ Goals
RP-1806 (Flammable Refrigerants Post-Ignition Simulation and Risk Assessment Update).
Task 1 FLACS CFD Model improved and validated for use with flammable refrigerants
Task 2 Validated CFD model (FLACS) will be used to simulate post-ignition combustion events involving flammable refrigerants leaked from HVAC&R equipment in residential and commercial applications.
Task 3 Update risk assessment based upon results from RP-1806, prior research, and new research on topic, if available.
Contractor: GEXCON US – P.I. Scott Davis
Status: Task 1 (FLACS CFD Model improved and validated for use with flammable refrigerants) completed and PMS and P.I. deciding now how best to proceed with Task 2 and Task 3 given model results noted in Task 1. As a result, schedule has slipped significantly. Current P.I. /PMS plan to get project back on track is to add a new subtask to conduct a sensitivity test of the model inputs. Based upon those results, PMS and P.I. will decide if model is sufficient to proceed with Task 2 and then possibly Task 3.
Current Contract Amount: $843,500 Paid to Date: $271,500 Balance of Payments remaining: 572,000
RP-1807 (Guidelines for Flammable Refrigerant Handling, Transporting, Storing and Equipment Servicing, Installation and Dismantling).
Task 1 Review Requirements/Best Practices for A2/A2L/A3 Refrigerants from Countries Outside US
Task 2 Review Relevant US Requirements/Standards
Task 3 Develop Requirements/Guidelines for A2/A2L/A3 Refrigerants
Task 4 Identify Testing to Confirm Proposed Requirements
Task 5 Add to report same information collected on countries for Canada also
Contractor: Navigant Consulting, Inc. – P.I. William J. Goetzler
Status: Draft final report submitted by P.I. to PMS on Dec. 13, 2017. PMS is now considering final report for approval before sending to full MTG for approval vote.
Current Contract Amount: $95,000 Paid to Date: $87,000 Balance of Payments remaining: $8,000
RP-1808 (Servicing and Installing Equipment using Flammable Refrigerants: Assessment of Field-made Mechanical Joints).
Task 1 Identification and Selection of Joint Types
Task 2 Review of Existing Joining Standards and Development of Method of Test
Task 3 Development of Joint Evaluation Test Matrix
Task 4 Joint Evaluation
Task 5 Reporting
Contractor: Creative Thermal Solutions, Inc. – Stefan Elbel
Status: Draft final report submitted by P.I. to PMS on Apr. 26, 2018. PMS is now considering final report for approval before sending to full MTG for approval vote.
Current Contract Amount: $115,000 Paid to Date: $86,250 Balance of Payments remaining: $28,750
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