Search results for keyword: turbulent
Plate and Shell Heat Exchanger
Plate and shell heat exchangers are widely used in the chemical and process industries. They are highly efficient, compact and reliable due to their design. The plate and shell heat exchangers use two different types of exchanger surfaces: a plate side, which is consists of thin metal plates arran......
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Angle Spiral Liner
Spiral baffle is a kind of device which has been widely used for many years in the world, especially in the energy industry, in order to improve heat transfer efficiency in a variety of applications. Specifically, spiral baffles are designed to create swirls or turbulence along the surface of the ......
Factors Affecting Control Valve Operation and Countermeasures
The Factors and Strategies of Valve Regulation
Introduction
The valve plays an important role in pipe network and pipeline systems in industrial production, energy or city service. Its purpose is to adjust the pressure, flow and direction of switch, in order to facilitate the regulation of mediu......
How to choose valves according to flow characteristics
Valves play an important role in controlling the flow of liquids, gases and other mixed media. In order to select and install the right valve in a pipe system, it is important to understand the flow characteristics of both the fluid and the piping system.
There are several factors that must be ta......
Bearing box floating labyrinth oil seal
Introduction
The labyrinth seal is an important part of a bearing box and can effectively prevent bearing box from dust, liquid and gas intrusion. Labyrinth seal also called airtight seal, because of its unique structure and sealing effect, is widely used in automobile and machinery fields. Labyr......
Different characteristics of vibration bearings and ordinary bearings
Vibration bearing and general bearing have different characteristics
Bearings are ubiquitous in modern industrial production, and there are many types and varieties. There are two types of bearings, namely vibration bearings and general bearings. What are the characteristics of these two types of......
GB 12997-91 Water Quality Sampling Program Design Technical Regulations
Design Specifications of Sampling Scheme for GB 12997-91 Water Quality
Background
The Water Quality Standard (GB 12997-1991) was formulated by the Ministry of Environmental Protection of the Peoples Republic of China. This standard is applicable to water bodies such as rivers, lakes, reservoirs,......
base adjustment instrument
Introduction
Adjustable base instruments are widely used in the industry and academia. They are mainly used for manual instrumentation experiments, to study the characteristics of systems and devices and to obtain their basic parameters.
History
The adjustable base instrument is the earliest ty......
Mechanical stirring method desulfurization
Sulfur removal is the process of treating sulfur-containing gases and liquids for the purpose of reducing sulfur emissions. Sulfur is a particularly nasty pollutant to humans, as it contributes to smog, acid rain, and a variety of related respiratory health issues, but removing it from gas streams......
Upsetting test
Abstract
Top-down drilling (TDD) is a commonly used technique used to collect rock samples in the oil and gas industry. The idea behind TDD is to use a drill bit to cut through the rock layers and obtain a representative core sample. This technique has been used in the oil and gas industry for man......
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