What is the unit of refrigerator?
ton of refrigeration
What is refrigeration unit air conditioning unit?
The machinery comprising the compressor with a driving motor, and a condenser, if fitted, independent of any other refrigeration machinery for provision stores or the air conditioning plant. In indirect refrigeration systems, the refrigeration unit also includes a brine or other secondary coolant cooler.
What do you mean by 1 ton of refrigeration?
Originally 1 TR was defined as the rate of heat transfer required to make 1 short ton (2000 lbs) of ice per day from water at 0oC. American Society of Heating, Refrigerating and Airconditioning Engineers (ASHRAE) defines 1 TR as equivalent to a refrigeration capacity of 3516.85 W or 3023.95 kcal/h.
How do you calculate refrigeration units?
One short ton = 2000 lb, Heat extracted = 2000 x 144/24 hr = 288000 Btu/24 hr = 12000 Btu/hr = 200 Btu/min, 1 ton refrigeration = 200 Btu/min = 3.517 kJ/s = 3.517 kW = 4.713 HP .
What is normal flow rate?
Normal flow rate is 1 atmosphere (101.3 kPa) or 14.696 psia at 32 0F (0 0C). Actual flow rate is the actual volume of fluid that passes a given point based on given pressure and temperature of the process.
What is the unit of flow rate?
In S.I. units (International System of Units), volume flow rate has units of meters cubed per second, m 3 s \dfrac{\text m^3}{\text s} sm3​start fraction, start text, m, end text, cubed, divided by, start text, s, end text, end fraction, since it tells you the number of cubic meters of fluid that flow per second.
Is laminar a flow?
Laminar flow is defined as the movement of liquids without turbulences. The fluid flows in parallel layers with no disruption between them. Laminar flow can be subdivided into the following: Unidirectional laminar flow.
What is an disadvantage of laminar flow?
Vertical laminar flow hoods have some potential disadvantages as well. Notably, placing your hands, materials or equipment on top of other items obstructs the airflow and creates turbulence which reduces their ability to remove particles, leading to a greater risk for contaminating your work.
What are 2 characteristics of laminar flow?
Characteristic Of Laminar Flow
- Laminar is characterized by smooth streamlines and highly ordered motion.
- The steady laminar flow of an incompressible fluid with constant properties in the fully developed region of a straight circular pipe.
What are two types of flow?
Type of Fluid Flow. Fluid flow is generally broken down into two different types of flows, laminar flow and turbulent flow.
What are the kinds of flow?
Types of Fluid Flow
- Steady and Unsteady flow.
- Uniform and non-uniform flow.
- One, two and three-dimensional flow.
- Rotational or irrotational flow.
- Laminar or Turbulent flow.
- Compressible or Incompressible flow.
What are the different kinds of flow?
There are Six different types of fluid flow:
- Steady and Unsteady.
- Uniform and Non-Uniform.
- Laminar and Turbulent.
- Compressible and In-compressible.
- Rotational and Ir-rotational and.
- One, Two, and Three -dimensional Fluid Flow.
What are characteristics of laminar flow?
In fluid dynamics, laminar flow is characterized by fluid particles following smooth paths in layers, with each layer moving smoothly past the adjacent layers with little or no mixing. At low velocities, the fluid tends to flow without lateral mixing, and adjacent layers slide past one another like playing cards.
What are the three types of flow?
The three types of movements or flows within the international economic exchange are trade flows, human capital flows and capital flows or investments.
What is an example of laminar flow?
Examples : A common example of laminar flow is the flow of honey or thick syrup from a bottle. For flow through pipes and ducts, the flow is generally considered to be laminar if the Reynolds number is less than 2300.
What are the uses of laminar air flow?
Uses of Laminar flow hood Laminar flow cabinets are used in laboratories for contamination sensitive processes like plant tissue culture. Other laboratories processes like media plate preparation and culture of organisms can be performed inside the cabinet.
What is the advantage of laminar flow?
Laminar is a flow phenomenon where the fluid flows in layers without any disruption between and among the layers. The main advantage of assuming laminar flow across a conduit is that, it provides an easy job to analyze the fluid flow using CFD softwares.
What is a laminar airflow?
Laminar flow is defined as airflow in which the entire body of air within a designated space is uniform in both velocity and direction.