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Category: Chemical Engineering

Experiments under the department of Chemical Engineering

The Reynolds Number and Flow Regime Change

The Reynolds Number and Flow Regime Change

Introduction      Flows are normal occurrences that occur and are encountered in day-to-day activities. These flows can be natural or not. But whichever form it is, all flows can basically be classified into the following:a) Flow through open channels (such as falling film) b) Flow through circular ducts; or c) Convective transport of heat In any case it may follow, it is essential in Chemical Engineering, Mechanical Engineering, and other fields to work with the understanding of the regime of flow at an instant…

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Study of Laminar, Turbulent and Transition Flows

Study of Laminar, Turbulent and Transition Flows

Introduction      Generally, in fluid mechanics, fluid flow are classified into the following: Rotational and Irrotational Flows Steady and Unsteady Flows Compressible and Incompressible Flows One, Two, and Three Dimensional Flows Uniform and Non-Uniform Flows Laminar and Turbulent Flow In this section, laminar and turbulent flows will be discussed.      Laminar flow is a type of flow in which the paths followed by individual particles do not cross one another. This flow is also called viscous flow. Laminar flow generally happens when…

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Calibration of Pressure Gauge Using Dead Weight Pressure Gauge Calibration

Calibration of Pressure Gauge Using Dead Weight Pressure Gauge Calibration

Introduction      Many types of gauge are available for measurement of pressure. The simplest form being a manometer tube, in which the rise of level of a liquid indicates the static head, this being converted to pressure by multiplying by the liquid density. An example of a much more sophisticated instrument is a pressure transducer, in which the pressure is used to deflect a diaphragm. The deflection causes an electrical signal to be generated by some means such as a electric…

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Stirred Batch Reactor Experiment

Stirred Batch Reactor Experiment

Introduction A chemical reactor is defined as a device properly designed to let reactions occur under controlled conditions toward specified products. A batch reactor may be described as a vessel in which chemicals are placed to react. They are used in small-scale laboratory set-ups to study the kinetics of chemical reactions. A typical stirred batch reactor is shown below. It consists of a tank with an agitator and integral heating/cooling system. They are usually fabricated in steel, stainless steel, glass…

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Safety Guidelines in the Laboratory

Safety Guidelines in the Laboratory

Safety goggles, protective wears, gloves, shoes, helmet, and other Personal Protective Equipments (PPEs) should be used when necessary especially when working with hazardous chemicals Only materials needed for the day’s laboratory exercise should be placed on bench work Always familiarize yourself in advance with an experiment before going to the lab No eating, drinking or any other mouth activity while in the lab Personal materials like bags, books, phones should be kept away from work bench to avoid damage or…

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