Research Article

Experimental Study on Liquid Flow and Heat Transfer in Rough Microchannels

Table 1

Main experimental instruments and equipment and their parameters.

Serial numberName of instrument and equipmentSpecification type, equipment manufacturer, main parameters

1Single-channel high-pressure injection pumpModel: LSP01-1BH, Baoding Langer Constant Current Pump Co., Ltd.
Flow range: 192.7 mL/h∼5010.9 mL/h.
Flow pushing accuracy: +0.5%.
Push pressure: greater than 0.56 MPa
2Differential pressure sensorModel: CYR-3D, Shanghai Lingsheng Electronic Instrument co., Ltd.
Measurement accuracy: 0.3%, range: 200 kPa and 500 kPa
3Data acquisition instrumentModel: 34970A, AGILENT Company
Scanning rate: 250 channels/s, 3 slots
4FilterModel: SS-4F-2, SWAGELOK, USA
Size of filter core hole: 0.5 um
5ThermocoupleType K, OMEGA Engineering Company, USA
The diameter of the thermoelectrode is 0.1 mm.
6Electric heating rodCustomized
7Constant temperature fluid circulatorModel: MC, German JULABO company
Temperature control range: −35∼200 adjustable
8Voltage regulating transformerModel: TDGC, 0–250 V adjustable
9DC regulated power supplyModel: WYJ-45A, Tianjin Radio Component Factory 3
Voltage regulation range: 0∼45 V adjustable
10Field emission scanning electron microscopeModel: ultra plus, ZEISS Germany
Resolution: 1 nm @ 15 kV; acceleration voltage: 0.02 kV to 30 kV