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| Reference Number | NIA2_SGN0064 | |
| Title | Hydrogen Ignition Risk from Static & Autoignition - Stage 2a | |
| Status | Completed | |
| Energy Categories | Hydrogen and Fuel Cells (Hydrogen, Other infrastructure and systems R&D) 100%; | |
| Research Types | Applied Research and Development 100% | |
| Science and Technology Fields | ENGINEERING AND TECHNOLOGY (Mechanical, Aeronautical and Manufacturing Engineering) 100% | |
| UKERC Cross Cutting Characterisation | Not Cross-cutting 100% | |
| Principal Investigator |
Project Contact No email address given SGN |
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| Award Type | Network Innovation Allowance | |
| Funding Source | Ofgem | |
| Start Date | 01 June 2024 | |
| End Date | 30 September 2024 | |
| Duration | ENA months | |
| Total Grant Value | £69,027 | |
| Industrial Sectors | Energy | |
| Region | South East | |
| Programme | Network Innovation Allowance | |
| Investigators | Principal Investigator | Project Contact , SGN (100.000%) |
| Industrial Collaborator | Project Contact , SGN (0.000%) |
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| Web Site | https://smarter.energynetworks.org/projects/NIA2_SGN0064 |
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| Objectives | This stage of the project (2a) will take the form of a field study to gather empirical evidence relating to static generation caused by particulates in flowing gas for both Natural Gas, hydrogen, and a blend of 20% hydrogen in Natural Gas. The project will be broken down into two parts. Firstly, Steer Energy will create tools to measure static charge in pipes and explore charge generation from dust transported in pipes in the laboratory. This will provide a benchmark to assess the further testing. Secondly, Steer Energy will collaborate with DNV Spadeadam to apply the tools in a field environment demonstrating the potential impact of generation of static charge from realistic dust transportation levels and gas velocities. Measurement Quality StatementThe methodology used in this project will be subject to Steer"s own quality assurance regime. Quality assurance processes and the source of data, measurement processes and equipment, and data processing will be clearly documented and verifiable.The measurements, designs and assessments will also be clearly documented in the relevant deliverables and final project report and will be made available for review. This will include the procedures and techniques used, and mechanisms to ensure traceability, reliability and comparability of results.Note that we believe this project should be rated low in the common assessment framework detailed in the ENIP document after assessing:· the total project value (less than £500,000),· the progression through the TRL levels (less than 2),· the number of project delivery partners (less than 2) and· clearly defined assumptions and principles are made regarding project data and delivery.Data Quality StatementWe believe this project will be delivered under the NIA framework, in line with the agreed Energy Networks Innovation Process document, as well as SGN internal policies. We will follow good practice and relevant standards during this work.Data produced as part of this project will be subject to quality assurance to ensure that the information produced with each deliverable is accurate to the best of our knowledge and that sources of information are appropriately documented.We have reflected on the data likely to be created, obtained, and used during this project:· We are not expecting to have to deal with data sensitivities, such as personally identifiable information (GDPR) or intellectual property.· We may be provided with potentially sensitive commercial data from product suppliers. If this is the case, we will agree to address the data management of this before receiving the data.· We may be provided with potentially sensitive information from our client and other Networks. If this is the case, we will agree to address the data management of this before receiving the data.· We will ensure that any data (raw and processed) created through testing is of sufficient completeness, accuracy and integrity.· All deliverables and project outputs will be stored on our internal cloud platform (Tresorit) and Teams (where appropriate) ensuring backup and version management.· We use standard Microsoft office programmes (PowerPoint, Word, and Excel) throughout the work. In addition, we may use specialist software, which will be reported through standard Microsoft office programmes.· At the completion of the project, relevant project documentation and reports will also be made available on the ENA Smarter Networks Portal, and dissemination material can be shared with the relevant stakeholders. This stage of the project will undertake testing to explore the impact of static generation due to particulates in flowing gas. The primary objectives to achieve this outcome will be:· Create tools to measure static charge in PE pipes and explore charge generation from dust transported in pipes in the laboratory.· Apply the tools in a field environment demonstrating the potential generation of static charge from realistic dust transportation levels and gas velocities.The work will be split into 3 work packages which are explored in more detail below.Work Package 1The aims of this work package are to:· Procure and set up the equipment, explore and refine the experimental process and carry out initial investigations· Demonstrate test validity (with implications for testing on DNV"s Particle Transport rig at Spadeadam)The first work package mainly consists of design and procurement of test equipment to be used to measure any static charge build up during the Particle Transport testing work pack of the Velocity Design with Hydrogen project. We will also carry out preliminary scoping experiments in the workshop, ensuring the test programme maximises value.Anticipated steps for preliminary tests are:1. Generate and measure static on a PE pipe outer wall through known methods (manually rubbing with a cloth)2. Measure manually generated static through the pipe wall (manually rubbing the inside of the pipe)3. Construct a flow loop and circulate dust, monitoring for build-up of static charge4. Compare static generation levels between PE and Perspex or PVC5. Make the test setup robust and suitable to connect to DNV"s experimental equipmentIt is critical that Steer"s experiments do not adversely impact DNV"s experiments, so we anticipate that ongoing open discussions will be required. The first of these meetings has already happened, with SGN assisting.Work Package 2This work package aims to measure static charge generation during experiments on realistic dust transportation levels from increased gas velocities.All the measurement equipment must comply with DNV"s requirements, and any restrictions imposed on site. Steer will liaise with DNV supported by SGN to ensure these experiments integrate appropriately with the test schedule.The sensing equipment must be selected for a suitable range to measure expected charges. We are unlikely to be able to infer absolute values but expect to detect differences as variables change. It is intended to show if static charge build up occurs and whether there is a difference in static generation with hydrogen and methane gas flows. It will also explore the controlling parameters of pressure and flow velocity. There is also the option to measure charge build up on the vent stack used, by monitoring the earth cable.Particular technical challenges already identified with this work are:· Perspex pipe will be used for the DNV tests, which will produce a lower static charge than PE pipe· ATEX IIC rating may be required for all electrical equipment within the exclusion zone at the test site· The particles are being collected, so we cannot measure the charge directly as if it were released through a ventWork Package 3At the conclusion of WP1, a Steering Group meeting will be held to provide the laboratory works outcomes and confirm the work to be carried out at DNV Spadeadam. Following work package 2, a short final report will be provided to the client, outlining the fullproject work carried out and the findings. The primary objectives of this project are:· Develop a testing tool to measure static generated by particulates in flowing gas.· Undertake measurements in a field test environment. | |
| Abstract | This project will aim to address a key risk area identified in Stage 1 of Hydrogen Ignition Risk from Static & Autoignition relating to the generation of static due to particulates in flowing gas. Evidence on this topic is anecdotal at best and is currently insufficient to provide the appropriate assurance to the HSE. The project will look to better understand the impact of potentially increased velocities and different gas mixtures on the generation of static from particulates in gas pipes. This will be facilitated at DNV Spadeadam in collaboration with the Velocity Design with Hydrogen project to gather empirical data to understand how increased static generation rates combined with hydrogens lower minimum ignition energy will impact risks and determine any required mitigations. | |
| Data | No related datasets |
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| Projects | No related projects |
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| Publications | No related publications |
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| Added to Database | 02/10/24 | |
