What is a nozzle?

Asked by: Eduardo Perkins

What do we mean by nozzle?

Definition of nozzle
1a : a projecting vent of something. b : a short tube with a taper or constriction used (as on a hose) to speed up or direct a flow of fluid. c : a part in a rocket engine that accelerates the exhaust gases from the combustion chamber to a high velocity.

What is the function of a nozzle?

A nozzle is often a pipe or tube of varying cross sectional area, and it can be used to direct or modify the flow of a fluid (liquid or gas). Nozzles are frequently used to control the rate of flow, speed, direction, mass, shape, and/or the pressure of the stream that emerges from them.

What is nozzle and types?

Nozzles can be fitted with different types of tips like hollow cone, solid cone or flat fan. Suitable for high volume applications. The shape and size of Nozzle Tip orifice controls the spray angel, discharge rate and spray pattern. Spray angle influences the swath of a spray.

Where are nozzles used?

Nozzles are used in steam turbines, gas turbines, water turbines and in jet engines, Jet propulsion.

What is another word for nozzle?

In this page you can discover 31 synonyms, antonyms, idiomatic expressions, and related words for nozzle, like: spout, end, nose, vent, beak, outlet, schnoz, hose end, proboscis, snoot and valve.

What is nozzle Mcq?

This set of Steam and Gas Turbines Multiple Choice Questions & Answers (MCQs) focuses on “Design of Nozzles”. 1. Nozzle is used to control direction or characteristics of flow. Explanation: Nozzle is used to control the direction and characteristics of flow.

How does a water nozzle work?

The water nozzle has an inbuilt mechanism that controls the water direction, the water break up into droplets, and the dispersion pattern of the water that flows through it. A water nozzle is a simple device used to change the fluid flow into a specific spray pattern.

How does a nozzle affect pressure?

In a convergent nozzle, there is an increase in velocity and a decrease in pressure, but we know that pressure is inversely proportional to area.

What is a flow nozzle?

A flow nozzle is an engineered primary flow element for non-viscous and erosive fluids under high velocity and pressure, which would wear or damage orifice plates. Flow nozzles are either integrated into pre-assembled meter runs, designed to be mounted in between flanges or welded into the pipe.

What is a nozzle made of?

The commonly used nozzle is manufactured by brass, stainless steel, cast iron, bronze, tungsten carbide, nickel, silicon carbide, super alloys, titanium, nickel alloys, tantalum. The nozzles are also made from Teflon materials like the PTFE, from Kynar (PVDF).

How many types of nozzles are there?

There are 5 basic spray pattern types: flat fan, solid stream, full cone, hollow cone and mist/fog. Various nozzle designs are deployed to create these patterns and details on each can be found in the sections below.

What is nozzle and diffuser?

A: A nozzle increases the velocity of a fluid, while a diffuser decreases the velocity of a fluid. Nozzles can be used by jets and rockets to provide extra thrust. Contrastly, many jet engines use diffusers to slow air coming into the engine for a more uniform flow.

What is a nozzle in thermodynamics?

A nozzle is a device that increases the velocity of a fluid at the expense of pressure. A diffuser is a device that increases the pressure of a fluid by slowing it down. The cross sectional area of a nozzle decreases in the flow direction for subsonic flows and increase for supersonic flows.

What is choking of nozzle?

Fluid flow through a restricted area whose rate reaches a maximum when the fluid velocity reaches the sonic velocity at some point along the flow path. The phenomenon of choking exists only in compressible flow and can occur in several flow situations.