BT25406 Fluid Flow and Heat Transfer Operations – Semester IV – Biotech – R-2025

Subject Code & Name: BT25406 – Fluid Flow and Heat Transfer Operations

Regulation: R-2025

Semester: IV (Fourth Semester)

Branch: B.Tech. Biotechnology (Biotech)

Credits / L-T-P: 5 Credits | L-T-P: 3-0-4

Course Objectives

• To introduce the students to the flow of fluids with applications and mode of transfer heat with principle and application of heat exchanger equipment’s.

Full Unit-wise Syllabus

Unit I – Fluid Properties & Fluid Mechanics

Fluid definition- compressible, incompressible fluids – coefficient of isothermal compressibility, Density, specific gravity, specific weight, surface tension, vapour pressure, viscosity. Newtonian and Non-Newtonian fluids. Gauge and absolute pressure – pressure measurement with Bourdon gauge & manometers.

Practical: Flow measurements by using Venturimeter, Orificemeter and Rotameter.

Activities: Compilation of measurements of fluid properties

Unit II – Industrial Pumps, Mixing and Agitation

Industrial pumps centrifugal, Reciprocating, Peristaltic, Diaphragm, Introduction to gas moving machinery-Fans, blowers, compressors, Mixing and Agitation: Types of agitators, mixing mechanisms, factors affecting mixing efficiency, and industrial applications in chemical and bioprocess industries. Power correlations.

Practical: Comparative study of industrial pumps based on discharge and efficiency.

Activities: Preparation of flow diagrams illustrating industrial fluid transport systems.

Unit III – Conduction Heat Transfer

Heat transfer phenomena. Heat conduction – Fourier’s equation – steady state conduction in planar and radial systems – combined conduction and convection – overall heat transfer coefficients, unsteady state conduction – lumped capacity model.

Activities: Comparative analysis of steady-state and unsteady-state heat conduction processes.

Unit IV – Convection Heat Transfer

Forced and natural convection – Dimensional analysis, Dimensionless numbers, Convection heat transfer coefficient, Film and drop wise condensation over tubes. Heat transfer to boiling liquids –theory and mechanism of boiling.

Practical: Determination of convection heat transfer coefficient.

Activities: Problem-solving exercises involving Reynolds, Nusselt, Prandtl, and Grashof numbers.

Unit V – Radiation Heat Transfer and Heat Transfer Equipments

Electromagnetic waves, energy of radiation, Planck’s equation-Blackbody, Kirchhoff’s law, Stefen Boltemann equation of radiant energy – Wien’s law, Radiation exchange between surfaces bodies, -sample problems, Heat exchangers, types, effectiveness, LMTD. NTU method.

Practical: Calculation of heat exchanger effectiveness using LMTD method.

Activities: Virtual Demonstration of different modes of heat transfer.

Course Outcomes (COs)

• CO1: Understand the principles and operating characteristics of pressure measurement devices used in engineering and bioprocess industries.
• CO2: Apply the concepts of fluid transportation and pump operation for industrial and biotechnological applications.
• CO3: Analyze heat transfer mechanisms including conduction, convection, and radiation in engineering and biological systems.
• CO4: Evaluate the performance of heat transfer processes such as forced and natural convection, boiling, and condensation in industrial applications.
• CO5: Design suitable heat exchanger systems using LMTD and NTU methods for biotechnology and process engineering applications.

Source: Official Anna University – B.Tech. Biotechnology R-2025 Syllabus
Last Updated: October 2026