Steady-State and Non-Steady-State Heat Conduction Educational Equipment Hydrodynamics Laboratory

Steady-State and Non-Steady-State Heat Conduction Educational Equipment Hydrodynamics Laboratory

SR-WL900 Steady-State and Non-Steady-State Heat Conduction Educational Equipment Hydrodynamics Laboratory for college, vocational training center, university. 

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SR-WL900 Steady-State and Non-Steady-State Heat Conduction Educational Equipment Hydrodynamics Laboratory

Description

Heat conduction is the transport of heat between the individual molecules in solid, liquid and gaseous media under the influence of a temperature difference. Steady heat conduction is the term used when heat transport is maintained permanently and uniformly by adding heat. In transient heat conduction, the temperature distribution in the body is dependent on location and time.

 

Thermal conductivity λ is a temperature-dependent property of a material that indicates how well the heat propagates from a point in the material.

 

WL 900 can be used to study both steady and transient heat conduction. The trainer consists of a heat source and a heat sink, between which cylindrical samples made of different metals are inserted. Each sample is fitted with 12 temperature measurement points. The temperature measurement points are designed to has as little influence on the temperature as possible and the core temperature of the sample is measured.

 

The heat source consists of an electrically heated hot water circuit. An electronic controller ensures the heating water is kept at a constant temperature. The heat sink is realised by means of a water cooling system. An elevated tank ensures a constant cooling water flow rate.

 

A temperature jump can be generated by appropriate regulation of the cooling water flow. A PC can be used to display the transient temperature distribution in the sample over time and place. Our price didn’t contain PC.

 

The temperatures of the sample, heating and cooling water, as well as the electrical heating power and the cooling water flow rate are displayed digitally on the switch cabinet and can be transmitted simultaneously via USB directly to a PC where they can be analysed using the software included. The thermal conductivity λ can be calculated from the measured data.

 

Technical details

Specification

investigation of steady and transient heat conduction in metals

determining the thermal conductivity λ

heating water circuit as heat source, electronically regulated

electric heater with PID controller

elevated tank with overflow for generating a constant cooling water flow rate

samples made of 5 different metals

cooling water temperature and flow rate measurement

digital displays: electric heating power, temperatures, cooling water flow rate

software for data acquisition via USB under Windows 7, 8.1, 10

 

Technical data

Heater

output: 800W

temperature: 20…85°C

Samples, Ø 40mm

3x 450mm (copper, aluminium, brass)

2x 300mm (steel, stainless steel)

Heating tank: ca. 2L

Cooling tank: ca. 0,5L

Elevated tank: ca. 6L

 

Temperature sensors

12x thermocouple type K, along the sample

2x Pt100, in the cooling water

1x Pt100, in the heating water

 

Measuring ranges

temperature: 14x 0…100°C

power: 0…1000W

flow rate: 0,1…2,5L/min

 

230V, 50Hz, 1 phase

230V, 60Hz, 1 phase, 120V, 60Hz, 1 phase

UL/CSA optional

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