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It depends on the temperature of the stream to be cooled as well as the desired temperature difference to be achieved between the stream and coolant. If the rise in temperature of water is less than its boiling point (100 deg C), then it is very cost efficient to use water as a coolant rather than some oil since water is readily available and in most cases, cost free (from lakes or rivers)..

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What is the convective heat transfer coefficient of water and how does it affect heat transfer processes?

The convective heat transfer coefficient of water is a measure of how easily heat can transfer through water by convection. It represents the rate at which heat is transferred between a solid surface and water through the movement of fluid particles. A higher convective heat transfer coefficient means that heat can transfer more efficiently, leading to faster heat exchange processes. This coefficient is influenced by factors such as temperature, flow rate, and surface area, and plays a crucial role in various heat transfer applications, such as cooling systems and thermal management.


What is radiative exchange?

Radiative exchange refers to the transfer of heat through electromagnetic radiation between two surfaces at different temperatures. This process can occur in a vacuum and does not require a medium for heat transfer. The rate of radiative exchange is dependent on the temperature and emissivity of the surfaces involved.


How interact the water and air?

Water and air interact through processes like evaporation, which involves water transforming into water vapor when it comes into contact with air. Additionally, the movement of air creates waves and ripples on the surface of the water. Wind can also influence the temperature and behavior of water bodies through processes like mixing and heat exchange.


What are the differences between adiabatic, isothermal, and isobaric processes in thermodynamics?

In thermodynamics, adiabatic processes do not involve heat exchange, isothermal processes occur at constant temperature, and isobaric processes happen at constant pressure.


What are the differences in heat transfer mechanisms between water and air?

The main differences in heat transfer mechanisms between water and air are their thermal conductivity and specific heat capacity. Water has a higher thermal conductivity and specific heat capacity compared to air, meaning it can absorb and transfer heat more efficiently. This is why water is often used as a coolant in systems that require high heat transfer rates, while air is commonly used for insulation or as a medium for heat exchange in HVAC systems.

Related Questions

Why is water the medium used in many heat exchange processes?

Water is a commonly used medium in heat exchange processes because it has a high specific heat capacity, meaning it can absorb and release large amounts of heat without significant temperature changes. Additionally, water has a high thermal conductivity, allowing it to transfer heat efficiently. Lastly, water is abundant, relatively inexpensive, non-toxic, and environmentally friendly, making it a practical choice for heat exchange applications.


Does water affect exothermic organisms?

Water can have a significant impact on exothermic organisms as it helps regulate their body temperature. By providing a medium for heat exchange, water helps these organisms prevent overheating or cooling down too much. Additionally, water is essential for various metabolic processes that support the functioning of exothermic organisms.


How is heat exchange between the ocean and atmosphere?

Heat exchange between the ocean and atmosphere occurs through processes like evaporation, where water evaporates from the ocean surface and transfers heat to the atmosphere, and condensation, where water vapor condenses in the atmosphere and releases heat to the ocean. Additionally, ocean currents can transport warm or cold water, affecting the temperature of the atmosphere above them. These exchanges are important for regulating climate and weather patterns.


Which fluid is introduced first in heat exchange?

Since the question is about heat exchange, I assume it is a man made. The first form of heat exchange is cooking. The first fluid is then water.


What is the convective heat transfer coefficient of water and how does it affect heat transfer processes?

The convective heat transfer coefficient of water is a measure of how easily heat can transfer through water by convection. It represents the rate at which heat is transferred between a solid surface and water through the movement of fluid particles. A higher convective heat transfer coefficient means that heat can transfer more efficiently, leading to faster heat exchange processes. This coefficient is influenced by factors such as temperature, flow rate, and surface area, and plays a crucial role in various heat transfer applications, such as cooling systems and thermal management.


Which method of heat transfer use a medium?

Both conduction and convection require an intervening medium, but convection requires the medium to be able to move.


What is radiative exchange?

Radiative exchange refers to the transfer of heat through electromagnetic radiation between two surfaces at different temperatures. This process can occur in a vacuum and does not require a medium for heat transfer. The rate of radiative exchange is dependent on the temperature and emissivity of the surfaces involved.


How interact the water and air?

Water and air interact through processes like evaporation, which involves water transforming into water vapor when it comes into contact with air. Additionally, the movement of air creates waves and ripples on the surface of the water. Wind can also influence the temperature and behavior of water bodies through processes like mixing and heat exchange.


What are the differences between adiabatic, isothermal, and isobaric processes in thermodynamics?

In thermodynamics, adiabatic processes do not involve heat exchange, isothermal processes occur at constant temperature, and isobaric processes happen at constant pressure.


What are the differences in heat transfer mechanisms between water and air?

The main differences in heat transfer mechanisms between water and air are their thermal conductivity and specific heat capacity. Water has a higher thermal conductivity and specific heat capacity compared to air, meaning it can absorb and transfer heat more efficiently. This is why water is often used as a coolant in systems that require high heat transfer rates, while air is commonly used for insulation or as a medium for heat exchange in HVAC systems.


Does sound travel faster in heat or water?

Sound doesn't travel in heat. It travels in a physical medium.


Why can't conduction and convection occur in space like radiation?

Conduction and convection require a medium to transfer heat, but space is a vacuum so there is no medium for these processes to occur. Radiation, on the other hand, can occur in the vacuum of space because it does not need a medium to transfer heat energy.