L/D

09:19 Oct 17, 2019
English to Russian translations [PRO]
Tech/Engineering - Construction / Civil Engineering
English term or phrase: L/D
Газ. комплекс

DATA SHEET FOR NEAT ALKYL SEAL POT
...
Design case is based on Neat TEAl Tank PSV lifting (fire case) with a 2:1 L/D

Отношение длины к диаметру? (чего?)

Спасибо.
Nadezhda Wenzel
Russian Federation
Local time: 07:40


Summary of answers provided
4 +1отношение длина-диаметр
Mikhail Zavidin
3 +1ход ЗЭл/диаметр седла
Enote


  

Answers


6 mins   confidence: Answerer confidence 4/5Answerer confidence 4/5 peer agreement (net): +1
l/d
отношение длина-диаметр


Explanation:
L/D
отношение длина-диаметр


Mikhail Zavidin
Ukraine
Local time: 05:40
Native speaker of: Native in RussianRussian
PRO pts in category: 8

Peer comments on this answer (and responses from the answerer)
agree  Erzsébet Czopyk: https://www.slideshare.net › VijaySarathy7 › pressure-safety-valve-psv-sizi...
14 mins
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2 hrs   confidence: Answerer confidence 3/5Answerer confidence 3/5 peer agreement (net): +1
l/d
ход ЗЭл/диаметр седла


Explanation:
Ясно, что это параметр пред. клапана (PSV) и относится к подъему (lifting) запирающего элемента (ЗЭл) - больше в клапане подниматься нечему.
В справочнике по предклапанам https://www.emerson.com/documents/automation/pressure-relief...
читаем:
If the lift of the valve trim parts controls the capacity, then the lift to nozzle diameter (L/D) of the safety valves in the design family must be the same
У нас lift - это ход ЗЭл, а nozzle diameter называется диаметром седла (см. ГОСТ 31249-2005 или ГОСТ 24856-2014)
Т.е. это действительно отношение параметра типа длины (хода ЗЭл.) к диаметру, но другого элемента (седла)

Enote
Local time: 06:40
Works in field
Native speaker of: Native in RussianRussian
PRO pts in category: 1295

Peer comments on this answer (and responses from the answerer)
agree  Oleg Gordeev: Когда переводил то же самое, я к такому варианту пришел: Высота подъема запирающего элемента к диаметру седла
18 hrs
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