Milind Atrey

		Profile

		Research Interests

		Courses Offered

		Publications

		Patents

		Sponsored Projects

		My Students

		Awards & Recognition

		Refrigeration & Cryogenics Lab

		Important Links

		Consultation

		StirlinGUIDE

		NPTEL Course

		Proposed Ph.D Topics

		Photos

Counter For Wordpress

Office Contact Information
matrey@iitb.ac.in
+91-22-2576-7522
+91-22-2572-6875
First Floor: F-09


	CENTRAL FACILITY

	Liquid Nitrogen Plant



	Click here for Liquid Nitrogen Facility

	LABORATORY COURSES

	General Instructions Students should go through the lab manual before coming to the lab. Students are expected to be on time for the experiments. Students are required to bring along the observation sheet, calculation sheet and the conclusion sheet, graph paper/s (according to the experiment),calculators and all other material required for submission of the lab report. Scheme of Evaluation (Weightage of each part is subject to change and left to the discretion of the evaluating professor) Pre Experiment quiz Experiment Viva-voce Journal submission

	Undergraduate Laboratory Experiments


	ME - 441 Applied Thermodynamics Laboratory.

	Vapour Compression System



	The Vapour Compression system set up enables students to get a hands on experience on the working of an actual refrigerator. This experiment will help students understand the effects of thevarious parameters like refrigeration load, refrigerant mass flow rate, condenser cooling rate, etc.on the working cycle. AIM: To experiment on Vapor Compression Refrigeration Tutor for heat balance and Plot the graphs for the following. COP v/s evaporator temperature. Refrigerant flow rate v/s COP. Superheat v/s evaporator temperature. Refrigeration load and Power input v/s evaporator temperature Vapour compression System manual link

	Vapour Absorption System



	The triple fluid vapor absorption system uses refrigerant (NH3), absorbent (H2O) and carrier gas (H2). The system does not have any mechanical liquid pump. Circulation of working fluids is enabled using a bubble pump, density differences and gravity flow. The difference in partial pressures in condenser and evaporator for refrigerant (NH3), results in cooling effect. In this experiment, the unit is operated at two different heat input levels and the performance is observed. The heat balance of the system is also considered. Such a refrigeration system is very useful in remote areas where electric power is not easily accessible. The experiment will help students appreciate this fact even though the refrigerating capacity for such a system being a limitation.

	Vapour Absorption System manual link

	ME657 Postgraduate Laboratory

	Cooling Tower



	Cooling towers use the principle of evaporative cooling in order to cool water.Cooling takes place as molecules of water diffuse from the surface into the surrounding air. These molecules are then replaced by others from the liquid (evaporation) and the energy required for this is taken from the remaining liquid. The rate of evaporation is determined by the difference between the saturation pressure corresponding with the surface temperature, and the vapour pressure in the surrounding air. This experimental set up helps students in understanding the working of an actual cooling tower and also understand the effects of important parameters like air flow rate, water flow rate, cooling load, etc. It will also establish important concepts like approach to wet bulb, efficiency of cooling tower, etc.
	Cooling Tower manual link

	Pulse Tube Cryocooler



	A Cryocooler is a device or ensemble of equipment for producing refrigeration effect at temperature less than 120 K. Basic Principle of Pulse Tube Cryocooler is that the pressurization and depressurization of any closed volume from a point on its periphery sets up temperature gradients in the volume. This experiment will help students get an insight into the working of pulse tube cryocooler
	Cryocooler manual link