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  2. Tip-speed ratio - Wikipedia

    en.wikipedia.org/wiki/Tip-speed_ratio

    The tip-speed ratio, λ, or TSR for wind turbines is the ratio between the tangential speed of the tip of a blade and the actual speed of the wind, v. The tip-speed ratio is related to efficiency, with the optimum varying with blade design. [1] Higher tip speeds result in higher noise levels and require stronger blades due to larger centrifugal ...

  3. Total shareholder return - Wikipedia

    en.wikipedia.org/wiki/Total_Shareholder_Return

    Total shareholder return (TSR) (or simply total return) is a measure of the performance of different companies' stocks and shares over time. It combines share price appreciation and dividends paid to show the total return to the shareholder expressed as an annualized percentage.

  4. List of business and finance abbreviations - Wikipedia

    en.wikipedia.org/wiki/List_of_business_and...

    PEG – Price-to-earnings growth ratio; PHEK – Planherstellungskosten (Product Planning cost) ... TSR – Total shareholder return; TTM – Trailing Twelve Months;

  5. Rolls-Royce Olympus variants - Wikipedia

    en.wikipedia.org/wiki/Rolls-Royce_Olympus_variants

    TSR-2 with Olympus Mk.320 engines on display at the Royal Air Force Museum Cosford The performance specification for the BAC TSR-2 was issued in 1962. It was to be powered by two BSEL Olympus Mk 320 (BOl.22R) engines each rated at 19,610 lbf (87.2 kN) dry and 30,610 lbf (136.2 kN) with reheat at take-off.

  6. Comparison of hub gears - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_hub_gears

    Brand Model Introduced Discontinued Speeds (external) Gear width (with external) Ebike Max Power Max Torque Direct Drive Weight (excluding auxiliary components)

  7. TSR - Wikipedia

    en.wikipedia.org/wiki/TSR

    TSR, Inc., game publisher Télévision Suisse Romande, a French-language Swiss TV channel; Full Metal Panic! The Second Raid, an anime; Team Sonic Racing, a video game; True Symphonic Rockestra, an opera-oriented project

  8. BAC TSR-2 - Wikipedia

    en.wikipedia.org/wiki/BAC_TSR-2

    The British Aircraft Corporation TSR-2 is a cancelled Cold War strike and reconnaissance aircraft developed by the British Aircraft Corporation (BAC), for the Royal Air Force (RAF) in the late 1950s and early 1960s.

  9. List of energy abbreviations - Wikipedia

    en.wikipedia.org/wiki/List_of_energy_abbreviations

    SEER—seasonal E efficiency ratio; SHGC—solar heat gain coefficient; SIR—savings-to-investment ratio (energy conservation investments) SLA—Specific leakage area; SPB—Simple Payback (energy conservation investments) SSE—steady-state efficiency; U-value—thermal transmittance (also called U-factor) WF—water factor (clothes washers)