Heat Transfer Laboratory Equipments

Emissivity Measurement Apparatus :

Types of Heat Transfer : 1. Conduction 2. Convection 3. Radiation

Determination of Emissivity of non black surface.

Study of variation of Emissivity of test plate with respect to absolute temperature.

Measurement and variation of electrical input with complete panelised instruments.

Elimination of instrumental error by using same measuring instruments for both the plates.

Digital Voltmeter, Ammeter & Temperature Indicator.

Space Required : 1m. x 1m.

Heat Transfer in Natural Convection :

Duct serves the purpose of undisturbed surrounding.

Complete panellised instrument for electric input.

Digital Voltmeter, Ammeter & Temperature Indicator.

To determine average heat transfer coefficient.

Calculate and plot variation of local heat transfer coefficient along the length of the tube.

Space Required : 1m. x 1m.

Thermal Conductivity Apparatus (By Two Slab Guarded Hot Plate Method) :

Design concept is according to Indian Standard (IS : 3346-1966). The dimensions are not exact as per standard.

Complete panelized electrical controls and measurement.

Digital Voltmeter, Ammeter & Temperature Indicator.

Determination of thermal conductivity of insulating material in the form of slab.

Study of variation of Thermal Conductivity of the material with temperature.

Comparison of Thermal Conductivities of various insulating material.

Space Required : 1m. x 1m.

Parallel Flow / Counter Flow Heat Exchangers :

Determination of overall heat transfer coefficient for a tube-in-tube type heat exchangers.

To calculate :

a) Rate of heat transfer
b) L.M.T.D.
c) Theoretical overall heat transfer co-efficient.

To compare the performance of parallel flow & counter flow heat exchangers.

Space Required : 2.5m. x 1.5m.

Refrigeration Tutor :

To demonstrate the basic vapour compression cycle of refrigeration.

To study theoretical cycle and plotting T.Q. and P.H. charts.

To study the properties at salient of the cycle.

To find out refrigerating effect and work input hence actual and theoretical C.O.P.

Space Required : 2m. x 1.5m.

Air Conditioning Tutor :

To find out C.O.P. of refrigeration circuit used for air conditioning applications.

To study simple process of cooling, heating and humidification in air conditioning application.

Space Required : 3m. x 2m. x 2m.

ICE Plant Tutor :

To study Ice Plant Refrigeration cycle.

To study various parameters affecting the freezing time.

To study the ice plant as a commercial unit.

Space Required: 4m. x 4m.

Critical Flux Apparatus

Composite Walls Apparatus

Heat Transfer Through Lagged Pipe Apparatus