Sage-Tips

Why conduction is not possible in fluids?

Conduction is not possible in liquids and gases because liquids and gases move freely. But, Liquids and gases move, they come in either Convection or radiation.

Can convection occur in liquids?

Liquids and gases are fluids because they can be made to flow. The particles in these fluids can move from place to place. Convection occurs when particles with a lot of heat energy in a liquid or gas move and take the place of particles with less heat energy. Convection currents can be seen in lava lamps.

Why does not conduction take place in liquids and gases?

It is because of property of fluids (liquid and gases) that molecules are loosely packed and physically move around in the medium to transfer energy (heat) this is convection wherein solids molecules are tightly packed and they can only vibrate at a their place and can’t move like fluids therefore they transfer energy …

Why is conduction only possible in liquids and gases?

Conduction can occur in solids_liquids and gases. Explain why solids and liquids are better conductors of heat than gases. The answer is simple: their atoms, or molecules that make them up, are closer together, so they can transfer energy between them much more efficiently.

Is conduction possible in liquids and gases?

Conduction is possible in solids, liquids, and gases but it happens best in solids because their atoms and molecules are located closer. Conduction is the transfer of heat energy that occurs between two objects that are touching one another.

How does convection take place in fluid like water inside the pan?

Heat transfer in fluids generally takes place via convection. Convection currents are set up in the fluid because the hotter part of the fluid is not as dense as the cooler part, so there is an upward buoyant force on the hotter fluid, making it rise while the cooler, denser, fluid sinks.

Why does convection only occur in liquids and gases?

Convection only happens with fluids, materials that can flow. Liquids can flow (think of water) and gases can flow (think of wind). Solids are stuck in place so they can’t flow and since they can’t flow, there is no convection. The way heat transfers through solids is conduction.

Why transfer of heat in fluids takes place by convection?

Why is conduction not an effective way of transferring heat in liquids and gases?

Fluids and gases are less conductive than solids. This is due to the large distance between atoms in a fluid or (especially) a gas: fewer collisions between atoms means less conduction. Collisions occurring at the contact surface tend to transfer energy from high-temperature regions to low-temperature regions.

Why conduction Cannot take place in liquids and gases?

What is conduction in liquid?

In heat conduction, heat is transferred within an object. When the object is a fluid, heat can be transferred from the fluid to another object by flow of the fluid on the surface of the object. This type of heat transfer is called convection. Convection can transfer larger amounts of heat than conduction.

Where does conduction occur?

Conduction is the process by which heat energy is transmitted through collisions between neighboring atoms or molecules. Conduction occurs more readily in solids and liquids, where the particles are closer to together, than in gases, where particles are further apart.

Does conduction also take place in liquids and gases?

Yes, conduction also takes place in liquids and gases. Every matter is made up of molecules. Heat conduction occurs in liquids and gases due to collision and diffusion of molecules during their random motion. With increase in temperature this movement of molecules increases.

What is the relation between conduction and convection and fluid mechanics?

In three of these conduction and convection, mainly convection is related to fluid mechanics. Convection is mode of heat transfer from a solid layer to adjacent liquid or gas layer. It involves the combined effect of Conduction and Fluid Motion. Greater the value of bulk motion of fluid, greater the rate of heat transfer (convection).

Does cond conduction have to involve a solid?

Conduction does not have to involve a solid; conduction can occur between and among solids, liquids, and gases. The key element to conduction is contact. Drop a red-hot steel ball into water, and the water will boil instantly. Why? Conduction. The steel ball is in direct contact with the water.

How does energy flow at the surface of a conductor?

It must be emphasized, at the surface, energy flow occurs purely by conduction, even in conduction. It is due to the fact, there is always a thin stagnant fluid film layer on the heat transfer surface. But in the next layers both conduction and diffusion-mass movement in the molecular level or macroscopic level occurs.