- Y Diweddaraf sydd Ar Gael (Diwygiedig)
- Gwreiddiol (Fel y’i mabwysiadwyd gan yr UE)
Commission Directive (EU) 2015/996 of 19 May 2015 establishing common noise assessment methods according to Directive 2002/49/EC of the European Parliament and of the Council (Text with EEA relevance)
When the UK left the EU, legislation.gov.uk published EU legislation that had been published by the EU up to IP completion day (31 December 2020 11.00 p.m.). On legislation.gov.uk, these items of legislation are kept up-to-date with any amendments made by the UK since then.
Mae unrhyw newidiadau sydd wedi cael eu gwneud yn barod gan y tîm yn ymddangos yn y cynnwys a chyfeirir atynt gydag anodiadau.Ar ôl y diwrnod ymadael bydd tair fersiwn o’r ddeddfwriaeth yma i’w gwirio at ddibenion gwahanol. Y fersiwn legislation.gov.uk yw’r fersiwn sy’n weithredol yn y Deyrnas Unedig. Y Fersiwn UE sydd ar EUR-lex ar hyn o bryd yw’r fersiwn sy’n weithredol yn yr UE h.y. efallai y bydd arnoch angen y fersiwn hon os byddwch yn gweithredu busnes yn yr UE. EUR-Lex Y fersiwn yn yr archif ar y we yw’r fersiwn swyddogol o’r ddeddfwriaeth fel yr oedd ar y diwrnod ymadael cyn cael ei chyhoeddi ar legislation.gov.uk ac unrhyw newidiadau ac effeithiau a weithredwyd yn y Deyrnas Unedig wedyn. Mae’r archif ar y we hefyd yn cynnwys cyfraith achos a ffurfiau mewn ieithoedd eraill o EUR-Lex. The EU Exit Web Archive legislation_originated_from_EU_p3
Dyma’r fersiwn wreiddiol (fel y’i gwnaed yn wreiddiol).
See Flat Rating
(Otherwise termed equivalent or indicated airspeed.) The speed of the aircraft relative to the air as indicated by a calibrated instrument on the aircraft. The true airspeed, which is normally greater, can be calculated from the calibrated airspeed knowing the air density.
Net thrust is the propulsive force exerted by an engine on the airframe. At a given power setting (EPR or N1 ) this falls with air density as altitude increases; corrected net thrust is the thrust at sea level.
For specific maximum component temperatures, the engine thrust falls as the ambient air temperature rises — and vice-versa. This means that there is a critical air temperature above which the rated thrust cannot be achieved. For most modern engines this is called the 'flat rated temperature' because, at lower air temperatures the thrust is automatically limited to the rated thrust to maximise service life. The thrust falls anyway at temperatures above the flat rated temperature — which is often called the break point or break temperature.
Magnitude of aircraft velocity vector (relative to aerodrome coordinate system)
The service life of an aircraft engine is very dependent upon the operating temperatures of its components. The greater the power or trust generated, the higher the temperatures and the shorter the life. To balance performance and life requirements flat rated engines are assigned thrust ratings for take-off, climb and cruise which define normal maximum power settings.
The pilot cannot select a particular engine thrust; rather s/he chooses an appropriate setting of this parameter which is displayed in the cockpit. It is usually either the engine pressure ratio (EPR) or low- pressure rotor (or fan) rotational speed (N1 ).
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Y Diweddaraf sydd Ar Gael (diwygiedig):Y fersiwn ddiweddaraf sydd ar gael o’r ddeddfwriaeth yn cynnwys newidiadau a wnaed gan ddeddfwriaeth ddilynol ac wedi eu gweithredu gan ein tîm golygyddol. Gellir gweld y newidiadau nad ydym wedi eu gweithredu i’r testun eto yn yr ardal ‘Newidiadau i Ddeddfwriaeth’.
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