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Sensible Heating and Sensible Cooling, Refrigeration and Air Conditioning, Mechanical Engineering Video Lecture
FAQs on Sensible Heating and Sensible Cooling, Refrigeration and Air Conditioning, Mechanical Engineering Video Lecture
| 1. What is sensible heating and cooling? |  |
Ans. Sensible heating and cooling refers to the process of increasing or decreasing the temperature of a substance (such as air or water) without changing its moisture content. It focuses solely on changing the sensible heat, which is the heat that can be sensed or measured with a thermometer.
| 2. What is the difference between sensible heating and sensible cooling? | |
Ans. Sensible heating involves increasing the temperature of a substance, while sensible cooling involves decreasing the temperature. Both processes aim to alter the sensible heat without affecting the moisture content of the substance.
| 3. How does refrigeration work in air conditioning systems? | |
Ans. In air conditioning systems, refrigeration works by removing heat from indoor air and transferring it outside. This is achieved through a refrigeration cycle that uses a refrigerant, such as Freon, which absorbs heat from indoor air and carries it to the outdoor unit where it is released. This cycle repeats to continuously cool the indoor environment.
| 4. What is the role of mechanical engineering in refrigeration and air conditioning? | |
Ans. Mechanical engineering plays a crucial role in refrigeration and air conditioning systems. It involves designing, analyzing, and optimizing the mechanical components and systems used in these technologies. Mechanical engineers are responsible for developing efficient cooling techniques, ensuring proper airflow, and designing reliable heat transfer systems for optimal performance.
| 5. What are some common challenges in refrigeration and air conditioning systems? | |
Ans. Some common challenges in refrigeration and air conditioning systems include refrigerant leaks, improper airflow, inadequate insulation, and inefficient heat transfer. These issues can lead to reduced cooling efficiency, higher energy consumption, and increased maintenance requirements. Proper maintenance, regular inspections, and addressing any potential issues promptly can help mitigate these challenges.
Text Transcript from Video
my dear in this dot well I am going to
share with you sensible heading hand
sensible cooling okay
so basically what I am going to use here
to make you understand these two concept
one is sensible I mean a psychometric
chart so for sensible heating I am going
to use psychometric chart psychometric
chart because F as per my knowledge till
now I have stray lot about
thermodynamics RAC as well as as a HMT
heat and mass transfer according to me
and to understand sensible heating
properly you need to know two things one
is psychometric chart and one is basic
definition so what is sensible rating
basically what we can sense that is
known as sensible it it means if they
are we changing changing temperature
that is known as sensible heating if the
temperature of a system is 10 degree to
attenuate and we are increasing to 20
degree that means we can sense that
there is changing in temperature in the
system that's why and we can sense that
that's why it is known as sensible
heating so it is the basic definition
now if we will move towards psychometric
chart then we need to know I need to
draw a little bit about a diagram that
is most important and this is D I mean T
V T driver temperature and this is
specific humidity okay so here it
blowing okay so specific humidity so
here what we have we have in case of
sensible heating this is one and this
condition I am taking this point from
point one to two if there is changing I
mean the driver temperature is
increasing and there is specific or
specific humidity or humidity ratio is
constant for that case we called
sensible heating now if I will move to
the concern that is sensible cooling
because you also need to understand that
concept sensible cooling sorry for that
okay so sensible cooling again sensible
cooling means we are decreasing
temperature we can decreasing
temperature of his system for that I am
just going to draw a temperature I mean
going to draw a psychometric chart that
is most important to make you understand
about it specific humidity and DVD so
driver temperature is increasing in the
in this side all right so what will
happen now by 0.1 and point 2 in this
case
0.1 would be here my initial condition
will be here and the final condition
would be here now in this case also we
are having specific humidity as constant
so this is all about sensible heating
and sensible cooling so I hope you
understood this because one of the most
effective way to understand sensible
heating and sensible cooling is this one
psychometric chart alright so thanks for
watching hope to see you again in my
next video bye bye
share with you sensible heading hand
sensible cooling okay
so basically what I am going to use here
to make you understand these two concept
one is sensible I mean a psychometric
chart so for sensible heating I am going
to use psychometric chart psychometric
chart because F as per my knowledge till
now I have stray lot about
thermodynamics RAC as well as as a HMT
heat and mass transfer according to me
and to understand sensible heating
properly you need to know two things one
is psychometric chart and one is basic
definition so what is sensible rating
basically what we can sense that is
known as sensible it it means if they
are we changing changing temperature
that is known as sensible heating if the
temperature of a system is 10 degree to
attenuate and we are increasing to 20
degree that means we can sense that
there is changing in temperature in the
system that's why and we can sense that
that's why it is known as sensible
heating so it is the basic definition
now if we will move towards psychometric
chart then we need to know I need to
draw a little bit about a diagram that
is most important and this is D I mean T
V T driver temperature and this is
specific humidity okay so here it
blowing okay so specific humidity so
here what we have we have in case of
sensible heating this is one and this
condition I am taking this point from
point one to two if there is changing I
mean the driver temperature is
increasing and there is specific or
specific humidity or humidity ratio is
constant for that case we called
sensible heating now if I will move to
the concern that is sensible cooling
because you also need to understand that
concept sensible cooling sorry for that
okay so sensible cooling again sensible
cooling means we are decreasing
temperature we can decreasing
temperature of his system for that I am
just going to draw a temperature I mean
going to draw a psychometric chart that
is most important to make you understand
about it specific humidity and DVD so
driver temperature is increasing in the
in this side all right so what will
happen now by 0.1 and point 2 in this
case
0.1 would be here my initial condition
will be here and the final condition
would be here now in this case also we
are having specific humidity as constant
so this is all about sensible heating
and sensible cooling so I hope you
understood this because one of the most
effective way to understand sensible
heating and sensible cooling is this one
psychometric chart alright so thanks for
watching hope to see you again in my
next video bye bye
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Nov 23, 2024 Last updated |
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