The calculation method of microcosmic starting pressure gradient is put forward based on the model of pipe flowing and rheological behaviour of conventional heavy oil.
利用微观尺度管流模型，结合普通稠油流变特征，提出了在考虑稠油流变性条件下微观启动压力梯度计算方法。
A method of calculating hydraulic and thermodynamic parameters such as flow, ratio of water in oil, pressure, temperature, specific heat for oil, gas, water pipe net is presented.
文中给出了油、气、水管网系统的水力、热力参数，包括流量、含水率、压力、温度、比热等的计算方法。
Can view the first round of brake oil pipe is, the adequacy of tire pressure.
可先检视该轮制动管路是否漏油，轮胎气压是否充足。
This article narrated the application of the negative pressure wave method in the leak detecting system of transporting-oil pipe.
主要讲述了负压波理论在输油管道泄漏监测系统的具体应用情况。
The utility model discloses an oil returning pipe which can quickly reduce the sudden increase of recoil pressure when an oiling car carries out pressure oiling for airplanes.
本实用新型公开了一种能够快速降低加油车给飞机压力加油时，反冲压力突增的回油管路。
Seamless steel line pipe is a kind of steel pipe without seams, which is mainly used in the places near the mouth of oil well or gas well to transmit oil or gas with high pressure.
无缝管线管主要是用于油井或气井的井口附近输送高压油、气的无焊缝钢管。
As an example, different temperatures effects on loss pressure along oil-pipe are calculated. The results display that loss pressure along oil-pipe changes little during temperature increasing.
作为算例，分别计算了不同温度下油管内流体沿程压力损失的情况，结果表明：温度对沿程压力损失影响较小。
High strength prestressed heat barrier pipe is used as a thermal insulating pipe to carry high temperature and pressure vapour into underground for crude oil exploitation.
材质为高强钢的预应力隔热管是在石油开采中用于地下输送高温高压水蒸汽的绝热管。
Heavy oil high-pressure steam jet pipe cleaning technology, pipeline cleaning can greatly improve the quality and efficiency.
高压蒸汽射流稠油管清洗新技术，可以大大提高油管清洗的质量和效率。
According to the requirements of SOLAS, the protective and alarm unit must be set in a high-pressure oil pipe of the Marine diesel engine.
按照SOLAS(国际海上人命安全公约)要求，船用柴油机高压油管必须设置防护及报警装置。
As there is certain response time for hydraulic valve startup, constant pump has to bear the momentary extremely high pressure impact with a high risk of oil pipe explosion.
液压阀开启有响应时间，定量泵系统启动时，瞬间压力冲击特别大，油管容易爆裂。变量泵启动时只有3mpa左右的待命压力，消除了爆管的隐患。
After full theoretical analysis and experimental research, high-pressure steam jet can not only improve the quality of heavy oil insulated pipe cleaning, and no environmental pollution.
经过充分的理论分析和实验研究，高压蒸汽射流不仅可以提高稠油隔热管的清洗质量，而且对环境没有污染。
Application: It's used to anchor oil pipe and used for high pressure injection, fracturing and other construction.
用途：液压水力锚适用于锚定油管，用于高压分注、分层压裂等措施施工。
The brake oil pump is communicated with a hydraulic braking clamp through a high pressure pipe, and the hydraulic braking clamp is engaged with the brake disk.
制动油泵通过高压油管与液压制动钳连通，液压制动钳与制动盘咬合。
Thereby, the piston structure can be arranged in an oil pressure pipe where gas and oil liquid are injected in advance to make reciprocating movement.
借此，该活塞构造可置入预注有气体及油液的油压管内行往复运动。
This paper introduces the protective and alarm units in the high-pressure oil pipe of300 model diesel engine.
本文介绍300型柴油机高压油管的防护及报警装置。
This paper introduces the protective and alarm units in the high-pressure oil pipe of300 model diesel engine.
本文介绍300型柴油机高压油管的防护及报警装置。
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