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Whats the difference between the jet and nozzle

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A jet is a stream of fluid or gas forcefully expelled from a nozzle, while a nozzle is a device that controls the flow of fluid or gas. The jet is the actual stream of fluid or gas that is expelled, while the nozzle is the component that shapes and directs the jet. The nozzle can have various designs and features depending on its intended application. For example, in the context of a jet nozzle for a liquid rocket engine, the nozzle structure includes a liquid flow channel and a swirler to improve atomization of the liquid fuel . In another context, a jet nozzle for an impact-type fast-freezer includes V-shaped flow guide grooves and slit nozzles to improve the uniformity of temperature reduction in frozen food . Therefore, the main difference between a jet and a nozzle is that a jet refers to the stream of fluid or gas, while a nozzle is the device that controls and shapes the jet .

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Patent Jet nozzle and jet soldering apparatus Hashimoto Noboru, Kasama Takahiro - Show less +1 more 09 Sep 2016 3 Citations	The paper does not provide a direct comparison between a jet and a nozzle. The paper focuses on a specific type of jet nozzle used for soldering.
Patent Jet nozzle of air powered vehicle Chen Qiaoyun 17 Aug 2016 1 Citations	The paper does not provide a direct explanation of the difference between a jet and a nozzle.
Patent Jet nozzle structure for impact-type fast-freezer Xie Jing, Li Wenjun, Wang Jinfeng, Gu Hanwen - Show less +3 more 06 Jun 2019	The paper does not provide a direct comparison between a jet and a nozzle. The paper specifically describes a jet nozzle structure for an impact-type fast-freezer, but does not discuss the differences between a jet and a nozzle.
Patent Jet nozzle and jet method Shuzenji Kiyotaka 06 Jun 2019	The paper does not explicitly mention the difference between a jet and a nozzle. The paper focuses on the design and characteristics of a specific jet nozzle and jet method.
Patent Nozzle structure, jet device and engine Liu Ruopeng, Luan Lin, Li Na - Show less +2 more 04 Jul 2019	The paper does not explicitly mention the difference between a jet and a nozzle. The paper focuses on a specific nozzle structure and jet device for a liquid rocket engine.

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What are experimental techniques and observations of the physics of liquid jets?5 answersExperimental techniques and observations of the physics of liquid jets encompass a variety of approaches and findings. Studies have delved into areas such as capillary oscillations on perturbed liquid jets using laser illumination, investigating micro-jets produced with a gas dynamic virtual nozzle under the influence of an electric field, exploring liquid jets produced by an electrical explosion in water in round tubes, and examining injectors with non-circular geometries to enhance liquid injection characteristics. These investigations have involved techniques like laser illumination, electronic detection of jet shadows, high-speed photography, and image processing software to analyze jet dynamics, dimensions, and flow regimes. The results have revealed insights into jet behavior, including jet patterns influenced by tube diameter, jet acceleration under electric fields, and the impact of injector geometry on liquid flow characteristics.

Variations of wall roughness and different geometric shapes of the nozzle in a turbulent wall jet?5 answersVariations in wall roughness and different geometric shapes of the nozzle significantly impact turbulent wall jets. Studies show that roughness in the near-wall region of wall jets mainly affects the flow dynamics. On the other hand, different nozzle geometries, such as extending or grooving the nozzle, have minimal effects on the exit flow characteristics, while the presence of a ring significantly increases turbulence intensity and mean velocity at the exit, requiring higher inlet pressure for fluid movement. Additionally, roughness on walls alters the behavior of the horseshoe vortex system, leading to increased flow incoherence and more evenly spread vorticity and turbulence throughout the junction. Despite roughness modifications in near-wall flow, the development of primary vortices in impinging jets remains relatively unaffected by surface roughness.

What is the sprayer nozzle hydraulic relationship ?4 answersThe hydraulic relationship in sprayer nozzles involves various components and mechanisms to control the flow of liquid for spraying purposes. Different designs optimize the hydraulic system for efficient and accurate spraying. For instance, some sprayers utilize bleed valves to regulate liquid flow and can route excess liquid back to the supply tank for later use. In another design, a hydraulic coupling oil sprayer incorporates a split-type control needle valve to enhance accuracy and avoid machining complexities, improving oil spraying precision. Additionally, a hydraulic unit in agricultural spraying systems employs a closed circuit with a hydraulic pump, motor, and tank interconnected by high and low-pressure lines, enhancing safety and reducing maintenance frequency during the spraying process. These innovations aim to enhance the hydraulic functionality of sprayer nozzles for optimal performance.

How do nozzle characteristics affect suspension water jet machining?4 answersNozzle characteristics have a significant impact on suspension water jet machining. The dimensions of the working nozzle, such as diameter and length, play a crucial role in determining the cutting depth and machining effects. The use of circular motion of the liquid in the nozzle generates an abrasive water jet, which enhances the efficiency of the cutting process. The inlet pressure of the abrasive water suspension also affects the erosion characteristics of the inner surface of the nozzle, leading to wear and decreased cutting performance. Optimizing the process parameters, such as nozzle dimensions and inlet pressure, is essential to minimize nozzle wear and achieve the desired machining results. Computational fluid dynamics analysis can be used to analyze the flow characteristics and optimize the process parameters for suspension water jet machining.

How does the design of the nozzle influence in droplet size distribution, spray angle, and penetration depth?5 answersThe design of the nozzle has a significant influence on droplet size distribution, spray angle, and penetration depth. Different nozzle geometries, such as circular, triangular, square, and hexagonal shapes, can lead to variations in the shape of the strand cross-sections in fused layer modeling (FLM) processes. The shape of the nozzle exit also affects the spray pattern and droplet size in two-fluid nozzles used in fluidized-bed or spray drying applications. Furthermore, the design of the nozzle entrance, including sharp edges, inclined shape, and curved entrance, affects the occurrence and intensity of cavitation inside the nozzle, leading to changes in spray volume and droplet size. Additionally, the choice of flat fan nozzles with different angles and spray volumes can impact spray deposition and penetration in fungicide application for soybean crops.

What is nozzle pressure ratio for rocket?4 answersThe nozzle pressure ratio for rockets varies depending on the specific configuration and conditions studied in each paper. In the study by Nallasamy et al., a pressure ratio range of 990 to 5,920 was investigated. Jankovsky et al. compared the performance of nozzles with area ratios of 1025:1 and 440:1, and tested them at combustion chamber pressures of 1800 to 2400 psia. Another study by Jankovsky et al. examined a high-area-ratio rocket nozzle at combustion chamber pressures of 12.4 to 16.5 MPa. Kushida et al. compared theoretical estimates of nozzle performance for different area ratios, including 100:1 and 300:1. Smith conducted tests on a nozzle with an area ratio of 1030:1 at chamber pressures from 350 to 100 psia. Therefore, the nozzle pressure ratio for rockets can vary depending on the specific study and conditions being investigated.

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