NUTL Mechanical Engineering Labs

1. Heat Transfer Laboratory (NUTL)

Heat Transfer laboratory provides fundamental knowledge about heat transfer modes and hands on experience on various types of equipment such as heat transfer through conduction, free and forced convection mechanism and radiation heat transfer. Different type of heat exchangers like plate, concentric tube, shell and tube and cross flow heat exchangers are available to provide students with better understanding an demonstration on different modes of heat transfer. The designed experiments in the lab reinforce the engineering principles taught in the lecture classes and help students to understand these principles more thoroughly.

Key Capabilities

  • Analyze the concept of conduction in bars
  • Calculation of the thermal conductivity “k” of different materials
  • Calculation of efficiency of forced convection process in flat plate, pinned and finned heat exchangers
  • Analyze the effects of cross section shape in the heat transfer process from a fin
  • Demonstration of inverse of the distance square law for the radiation
  • Analyze the thickness effects in the absorption phenomena in Radiative Heat Transfer
  • Investigation on effects of evaporation and condensation temperatures in the cooling rate and in the heat transfer at the condenser

2. Thermodynamics Laboratory (NUTL)

Thermodynamics is the study of the conversion of energy into work and heat and its relation to macroscopic variables such as temperature, volume and pressure. The aim of this lab is to introduce students to the physical application of fundamental thermodynamic concepts and principles which are being used in the engineering complex problems. Thermodynamics lab introduces students to the different principles of thermodynamics through experimental work. First law of thermodynamics, gas laws, phase change processes, energy balance using first law, efficiency and entropy concepts are demonstrated through lab experiments.

Key Capabilities

  • Practical handling of various temperature measuring instruments
  • Analyze the temperature profile of water with time
  • Use of manometers for measurement of pressure
  • Investigate the quality of refrigerant entering in compressor of refrigeration unit
  • Determination of Coefficient of performance of refrigerator
  • Estimation of isentropic efficiency of compressor
  • Efficiency calculation of Brayton cycle in axial flow gas turbine
  • Demonstration of energy balance applying first law of thermodynamics

3. Mechanics and Materials Laboratory (NUTL)

The objective of the Mechanics and Materials lab is to analyze the properties of engineering materials through testing and to validate the basic principles in the area of structural analysis. The focus is to enable the students in use of tools and equipment and to acquaint students with different experimental testing techniques and data acquisition systems. Experiments are performed to measure the properties and relative behavior of the materials under different loading conditions such as tensile strength, hardness, buckling of bars, deflection of beams, torsion of bars and strain measurement with strain gauges and rosettes.

Key Capabilities

  • Estimation of buckling force and deformation in bars with different materials
  • Investigation of unsymmetrical bending in beams
  • Calculation of shear stress and twisting angle induced in a bar due to torsion
  • Estimation and analysis of strain in a material under stress with application of strain gauges
  • Investigation of deflection phenomenon
  • Analysis of stress and strain in a thin walled cylinder

4. Measurement and Instrumentation Laboratory (NUTL)

The objective of this Lab is to enable the students to understand the use of sensors, transducers and measuring instruments, comprehensively. Working principles of input sensors, output actuators, signal conditioning circuits, and display devices are demonstrated to students through a wide range of hands-on practical activities. This lab has been equipped with the latest instruments and is one of the very modern and latest labs. Calibration of instruments, measurements of quantities, investigation and analysis of the measured quantities are in scope of this lab.

Key Capabilities

  • To understand the basic principle and functioning of sensors used to measure temperature, sound, position, rotational speed, direction, humidity, force, strain and light intensity measurements
  • To demonstrate the working principles of instruments used for process control system
  • To understand the measurement and control of temperature, level, pressure and flow in a process
  • To perform ladder logic operations on a PLC
  • Design and development of engineering systems using sensors, actuators and control systems

5. Fluid Dynamics Laboratory (NUTL)

The main objective of Fluid Dynamics Lab is to improve engineering skills of the students and to demonstrate them the basic principles of Fluid Dynamics. Experimental setups like Impact of jet, Bernoulli’s theorem, Fluid friction and energy losses in pipes, Hydrostatic bench and Osborne Reynolds apparatus are available to the students where they can perform experiments to verify the properties of fluids and hydrostatic principles. In addition to that a subsonic wind tunnel is also available for calculation of pressure and velocity profiles, flow patterns, lift and drag force analysis and boundary layer studies.

Key Capabilities

  • Analysis of water jet force on flat and curved surfaces
  • Venturi tube section analysis
  • Demonstration of Bernoulli Theorem
  • Investigation of laminar and turbulent flow
  • Determination of fluid density and specific gravity
  • Capillarity in tubes and between plates
  • Measurement of viscosity by falling sphere method
  • Demonstration of Pascal’s law
  • Verification of Archimedes’ principle
  • Stability of a floating body and determination of metacentric height
  • Operation and calibration of a Bourdon pressure gauge
  • Visualization of Parabolic velocity profile
  • Determination of pressure drops in different flow pipes
  • Investigation of lift and drag parameters at wind tunnel