Engineering Portfolio

Danishan Sivaraj

Engineer with practical experience across energy systems, machine learning, process design, biomaterials, CFD and robotics. Each project below sets out the problem, what I built and the result.

  • Energy Systems Optimisation
  • Machine Learning
  • Process & Water Engineering
  • Biomaterials
  • CFD & Thermofluids
  • Robotics

Projects

Click through for the full brief on each one.

  1. 01
    Energy Systems Modelling

    Investigating Fairness in a Decarbonised European Economy

    A model of how Europe could reach net zero by 2050 if every country has to gain from taking part, rather than simply being told what to build.

    About 100 GW more renewable capacity and 180 GW of interconnection than the cheapest plan

    GAMSMILP optimisationGame theoryPython
    Read more →
  2. 02
    Machine Learning / Materials

    Data-Driven Prediction and Optimisation of Concrete Compressive Strength

    Machine learning trained on 1,030 concrete samples to predict how strong a mix will be, then run in reverse to find the strongest recipe the data supports.

    Predicts strength within 10 MPa on 88% of samples

    Pythonscikit-learnSciPyNeural networks
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  3. 03
    Water & Environmental Engineering

    Domestic Wastewater Management and Resource Recovery in India

    A sewage treatment design for Indian cities and villages that runs on solar power where the grid is unreliable, and turns the waste into fertiliser instead of pollution.

    Recovers up to 89% of the nitrogen and 95% of the phosphorus as fertiliser

    Process designReverse osmosisUASB / MBRLab experimentation
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  4. 04
    Biomaterials / Medical Devices

    Patient-Specific Mandibular Prosthesis for Osteosarcoma Reconstruction

    A custom jaw implant for a 23 year old cancer patient who cannot tolerate metal, using a plastic composite that behaves more like bone than titanium does.

    Implant stiffness of 14 GPa against titanium's 110 GPa, closer to real bone

    CADMaterials selectionPEEK compositesBiomechanics
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  5. 05
    Thermofluids / CFD

    High-Temperature Air-Cooled Bipolar Plates for Aerospace Fuel Cells

    Simulation of a key component inside an aircraft fuel cell, checking that fuel and air spread evenly and heat escapes as the stack heats and cools, backed up with 3D printed prototypes.

    Identified 150 °C as the best operating point, with even pressure held from 100 to 200 °C

    AVL FIRE MCOMSOLCFDCAD
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  6. 06
    University Group Project

    Collision Avoidance and Navigational Assistance for Mobile Platforms

    A four person university project to build a small driver assisted vehicle from scratch. I led the mechanical side: the gear reduction that lets it stop safely, the wheels, the chassis and the protective shell, all designed in CAD and made on 3D printers and a laser cutter.

    Gear reduction cut the stopping time to under 2 seconds; unit costed at £450 with a 33% return

    CADSpur gear designFDM 3D printingLaser cutting
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About

I work on problems that need both technical depth and a clear recommendation. My projects cover energy system optimisation, machine learning, process design, CFD, biomaterials and costed product development, and I am comfortable owning the work end to end from data and modelling through to a decision-ready output.

The case studies below are written for recruiters and hiring managers: the problem, what I did, the methods, the results and the practical takeaway. Each one links to the original figures and technical outputs.

Contact

About me
Chemical engineer turned generalist. I like messy, cross-team problems where the answer is not in the textbook. Comfortable in Excel, Python, GAMS and on a lab bench.
Based in
London, United Kingdom
Open to
Engineering and consulting roles in energy, infrastructure, water and advanced manufacturing.