#3141914
Luasmhoilliú saor-rothlaithe ar an mbóthar/ méadair casmhóiminte ar an mbóthar/ crios cothrom gaoth-tholláin/ raon rollach gaoth-tholláin
On-road coast-down/ on-road torque meter/ wind tunnel flat belt/ wind tunnel chassis dynamometer
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#2617663
Modh tomhais ualaigh friotaíochta bóthair is ea an modh gaoth-tholláin ag úsáid meascán de ghaoth-tholláin agus dinimiméadar raoin rollaigh nó de ghaoth-tholláin agus dinimiméadar creasa chothroim.
The wind tunnel method is a road load measurement method using a combination of a wind tunnel and a chassis dynamometer or of a wind tunnel and a flat belt dynamometer.
#2219657
Dá bhrí sin, ba cheart turgnaimh gaoth-tholláin a dhéanamh.
Therefore wind tunnel experiments should be performed.
#2614552
Modh gaoth-tholláin
Wind tunnel method
#2614555
Gaoth-thollán
Wind tunnel
#2614609
ll/mm/bbbb (gaoth-thollán)
dd/mm/yyyy (wind tunnel)
#2614661
Modh gaoth-tholláin na maitríse ualaigh friotaíochta bóthair
Road load matrix wind tunnel method
#2617073
Critéir gaoth-tholláin
Wind tunnel criteria
#2617669
Tomhaisfear an chúltarraingt aeraidinimice sa ghaoth-thollán.
Aerodynamic drag shall be measured in the wind tunnel.
#2617689
Formheasfar gach cónasc de dhinimiméadar raoin rollaigh nó crios gluaiseachta agus gaoth-thollán ar leithligh.
Each combination of roller chassis dynamometer or moving belt and wind tunnel shall be approved separately.
#2617696
Nós imeachta gaoth-tholláin
Wind tunnel procedure
#2617704
Tomhas gaoth-tholláin
Wind tunnel measurement
#2617714
Luasanna gaoithe le haghaidh tomhas gaoth-tholláin
Wind speeds for wind tunnel measurement
#2617722
Crios cothrom curtha i bhfeidhm le haghaidh an mhodha gaoth-tholláin
Flat belt applied for the wind tunnel method
#2617781
Raon rollach curtha i bhfeidhm le haghaidh an mhodha gaoth-tholláin
Chassis dynamometer applied for the wind tunnel method
#2620076
Braithfidh an nós imeachta seo ar chomhlíonadh chritéir an Rialacháin seo ag na tomhais ghaoth-tholláin.
This procedure shall be based on wind tunnel measurements fulfilling the criteria of this Regulation.
#2620095
Níl saoráid an ghaoth-tholláin in ann Δ(CD×Af) a chinneadh go cruinn;
The wind tunnel facility is not able to accurately determine Δ(CD×Af);
#2724900
Modh gaoth-tholláin
Wind tunnel method
#2724903
Gaoth-thollán
Wind tunnel
#2724961
ll/mm/bbbb (gaoth-thollán)
dd/mm/yyyy (wind tunnel)
#2724992
MODH GAOTH-THOLLÁIN
WIND TUNNEL METHOD
#2725014
MODH GAOTH-THOLLÁIN MHAITRÍS AN UALAIGH FRIOTAÍOCHTA BÓTHAIR
ROAD LOAD MATRIX WIND TUNNEL METHOD
#1652831
a. “Bogearraí” slaodach 2D nó 3D, atá bailíochtaithe leis na sonraí ón ngaoth-tholláin nó leis na sonraí tástála eitilte atá riachtanach chun sreabhadh an innill a shamhaltú go mionsonrach;
a. 2D or 3D viscous “software”, validated with wind tunnel or flight test data required for detailed engine flow modelling;
#1652842
Aer-shamhaltáin de ghaoth-tholláin atá feistithe le braiteoirí neamh-ionsáite a bhfuil ar a gcumas sonraí a tharchur ó na braiteoirí chuig an gcóras sealbhaithe sonraí;
Wind tunnel aero-models equipped with non-intrusive sensors capable of transmitting data from the sensors to the data acquisition system;
#1754209
a.“Bogearraí” slaodach 2D nó 3D, atá bailíochtaithe leis na sonraí ón ngaoth-tholláin nó leis na sonraí tástála eitilte atá riachtanach chun sreabhadh an innill a shamhaltú go mionsonrach;
or 3D viscous "software", validated with wind tunnel or flight test data required for detailed engine flow modelling;
#1754521
1.Aer-shamhaltáin de ghaoth-tholláin atá feistithe le braiteoirí neamh-ionsáite a bhfuil ar a gcumas sonraí a tharchur ó na braiteoirí chuig an gcóras sealbhaithe sonraí;
1.Wind tunnel aero-models equipped with non-intrusive sensors capable of transmitting data from the sensors to the data acquisition system;
#2058925
‘Bogearraí’ slaodacha 2D nó 3D, atá bailíochtaithe leis na sonraí gaoth-tholláin nó leis na sonraí tástála eitilte atá riachtanach chun sreabhadh an innill a shamhaltú go mionsonrach;
or 3D viscous "software", validated with wind tunnel or flight test data required for detailed engine flow modelling;
#2058992
Aer-shamhaltáin gaoth-thollán atá feistithe le braiteoirí neamh-ionsáite atá inniúil ar shonraí a tharchur ó na braiteoirí chuig an gcóras sealbhaithe sonraí; nó
Wind tunnel aero-models equipped with non-intrusive sensors capable of transmitting data from the sensors to the data acquisition system; or
#2219659
Ba cheart na tástálacha gaoth-tholláin a dhéanamh le haghaidh trí fheithicil ar a laghad, ag cumhdach coscáin i bhfeithiclí éadroma, tráchtála agus tromshaothair.
The wind tunnel tests should be performed for at least three vehicles, covering light, commercial and heavy-duty vehicles.
#2276630
‘Bogearraí’ slaodacha 2D nó 3D, atá bailíochtaithe leis na sonraí gaoth-tholláin nó leis na sonraí tástála eitilte atá riachtanach chun sreabhadh an innill a shamhaltú go mionsonrach;
or 3D viscous "software", validated with wind tunnel or flight test data required for detailed engine flow modelling;
#2276695
Aer-shamhaltáin gaoth-thollán atá feistithe le braiteoirí neamh-ionsáite atá inniúil ar shonraí a tharchur ó na braiteoirí chuig an gcóras sealbhaithe sonraí; nó
Wind tunnel aero-models equipped with non-intrusive sensors capable of transmitting data from the sensors to the data acquisition system; or
#2617096
Chun sreabhadh sreabháin ag fo-chabhail na feithicle tástála a ionsamhlú, beidh crios gluaiseachta ag an ngaoth-thollán ag síneadh ó thosach go cúl na feithicle.
To simulate the fluid flow at the underbody of the test vehicle, the wind tunnel shall have a moving belt extending from the front to the rear of the vehicle.
#2617108
Ag x = 0 (lárphointe cothromaíochta), beidh 99 faoin gcéad ar a laghad de threoluas insreafa 30 mm os cionn urlár an ghaoth-tholláin ag treoluas na gaoithe.
At x = 0 (balance center point), the wind velocity shall have at least 99 per cent of the inflow velocity 30 mm above the wind tunnel floor.
#2617426
Déanfar an coigeartú tríd an bhfeithicil luasmhoillithe saor-rothlaithe a thástáil i ngaoth-thollán leis an ainéimiméadar suiteáilte agus dá uireasa sa suíomh céanna ar an rian.
The adjustment shall be made by testing the coastdown vehicle in a wind tunnel both with and without the anemometer installed in the same position as used on the track.
#2617667
Na fórsaí ualaigh friotaíochta bóthair arna dtomhas i ngaoth-thollán agus iad siúd arna dtomhas ag úsáid dinimiméadar creasa chothroim a chur le chéile;
Adding the road load forces measured in a wind tunnel and those measured using a flat belt dynamometer;
#2617668
Na fórsaí ualaigh friotaíochta bóthair arna dtomhas i ngaoth-thollán agus iad siúd arna dtomhas ar dhinimiméadar raoin rollaigh a chur le chéile.
Adding the road load forces measured in a wind tunnel and those measured on a chassis dynamometer.
#2617672
Cuirfear torthaí mhodh an ghaoth-tholláin i gcomparáid leo siúd a fuarthas ag úsáid an mhodha luasmhoillithe saor-rothlaithe chun cáilíocht na saoráidí a léiriú agus taifeadfar iad.
The results of the wind tunnel method shall be compared to those obtained using the coastdown method to demonstrate qualification of the facilities and recorded.
#2617683
an difríocht san fhuinneamh timthrialla thar Aicme 3 iomlán WLTC le haghaidh feithicil k idir an modh gaoth-tholláin agus an modh luasmhoillithe saor-rothlaithe, faoin gcéad;
is the difference in cycle energy over a complete Class 3 WLTC for vehicle k between the wind tunnel method and the coastdown method, per cent;
#2617697
Soláthróidh dearadh, modhanna tástála agus ceartúcháin an ghaoth-tholláin luach (CD × Af) ionadaíoch den luach (CD × Af) ar an mbóthar agus le hin-atrialltacht ±0.015 m2.
The wind tunnel design, test methods and the corrections shall provide a value of (CD × Af) representative of the on-road (CD × Af) value and with a repeatability of ±0.015 m2.
#2617698
Le haghaidh gach tomhas (CD × Af), comhlíonfar na critéir ghaoth-tholláin a liostaítear i mír 3.2. den iarscríbhinn seo leis na modhnuithe a leanas:
For all (CD × Af) measurements, the wind tunnel criteria listed in paragraph 3.2. of this annex shall be met with the following modifications:
#2617820
toradh na comhéifeachta cúltarraingthe agus an limistéir tosaigh arna thomhas sa ghaoth-thollán ag luas tagartha áirithe pointe j, más infheidhme, m2;
is the product of the drag coefficient and frontal area measured in the wind tunnel at a certain reference speed point j, if applicable, m2;
#2620067
Maidir le haon chineál modha mhalartaigh, braithfidh an bailíochtú ar chomhlíonadh chritéir an Rialacháin seo ag na tomhais ghaoth-tholláin;
For any alternative method, validation shall be based on wind tunnel measurements fulfilling the criteria of this Regulation;
#2700469
‘Bogearraí’ slaodacha 2D nó 3D, atá bailíochtaithe leis na sonraí gaoth-tholláin nó leis na sonraí tástála eitilte atá riachtanach chun sreabhadh an innill a shamhaltú go mionsonrach;
or 3D viscous "software", validated with wind tunnel or flight test data required for detailed engine flow modelling;
#2700536
Aer-shamhaltáin gaoth-thollán atá feistithe le braiteoirí neamh-ionsáite atá inniúil ar shonraí a tharchur ó na braiteoirí chuig an gcóras sealbhaithe sonraí; nó
Wind tunnel aero-models equipped with non-intrusive sensors capable of transmitting data from the sensors to the data acquisition system; or
#2825574
‘Bogearraí’ slaodacha 2D nó 3D, atá bailíochtaithe leis na sonraí gaoth-tholláin nó leis na sonraí tástála eitilte atá riachtanach chun sreabhadh an innill a shamhaltú go mionsonrach;
or 3D viscous "software", validated with wind tunnel or flight test data required for detailed engine flow modelling;
#2825641
Aer-shamhaltáin gaoth-thollán atá feistithe le braiteoirí neamh-ionsáite atá inniúil ar shonraí a tharchur ó na braiteoirí chuig an gcóras sealbhaithe sonraí; nó
Wind tunnel aero-models equipped with non-intrusive sensors capable of transmitting data from the sensors to the data acquisition system; or
#2499786
Beidh an t-iarratasóir ar dheimhniú in ann a léiriú go gcomhlíonann roghnú na máthairfheithicle na forálacha mar a shonraítear i bpointe 5.3 bunaithe ar mhodhanna eolaíocha e.g. dinimic ríomhaireachtúil na sreabhán (CFD), torthaí ó thollán gaoithe nó dea-chleachtas innealtóireachta.
The applicant for a certificate shall be able to demonstrate that the selection of the parent vehicle meets the provisions as stated in point 5.3. based on scientific methods e.g. computational fluid dynamics (CFD), wind tunnel results or good engineering practice.
#2499831
Beidh an t-iarratasóir ar dheimhniú in ann a léiriú go gcomhlíonann roghnú na máthairfheithicle na forálacha mar a shonraítear i bpointe 7.1 bunaithe ar mhodhanna eolaíocha e.g. dinimic ríomhaireachtúil na sreabhán, torthaí ó thollán gaoithe nó dea-chleachtas innealtóireachta.
The applicant for a certificate shall be able to demonstrate that the selection of the parent vehicle meets the provisions as stated in 7.1. based on scientific methods e.g. computational fluid dynamics, wind tunnel results or good engineering practice.
#2617319
Má tá coinne leis go mbeidh éifeacht na hionstraime suiteáilte ar (CD × Af) níos mó ná 0.015 m2, déanfar an difríocht ar luach (CD × Af) na feithicle leis an ionstraim agus gan í a thomhas i ngaoth-thollán a chomhlíonann na critéir i mír 3.2. den iarscríbhinn seo.
If the effect of the installed instrument on (CD × Af) is expected to be greater than 0.015 m2, the difference in the value of (CD × Af) of the vehicle with and without the instrument shall be measured in a wind tunnel fulfilling the criteria in paragraph 3.2. of this annex.
#2617605
toradh chomhéifeacht na cúltarraingthe aeraidinimice iolraithe faoi limistéar tosaigh na feithicle le trealamh tomhais méadair casmhóiminte suiteáilte arna thomhas i ngaoth-thollán a chomhlíonann critéir mhír 3.2. den iarscríbhinn seo, m2;
is the product of the aerodynamic drag coefficient multiplied by the frontal area of the vehicle with the torque meter measurement equipment installed measured in a wind tunnel fulfilling the criteria of paragraph 3.2. of this annex, m2;