1.New energy-saving technology of engineering thermophysics;
2.Researches on subzero refrigeration, mainly focusing on pulse tube refrigeration and vortex tube refrigeration, including mechanism analysis, new process exploreration and systematic performance optimization study ;
3.Key technical researches on cryogenic thermal tube of low temperature flow and heat transfer;
4.Technical researches on new heat exchangers; 5.The thermal-hydraulic research; 6.Solar energy heat pump drying technology; 7.Technology of industrial heat pump evaporator.

080705- Refrigeration and cryogenic engineering
080701- Engineering thermophysics
080706- Chemical engineering and machinery

1.Energy-saving and environment-friendly new technology
2.New cryogenic technology
3.Efficient evaporator

September,1993--July,1996  Xi'an Jiaotong University       Doctor of Engineering
September,1991--August,1993 Xi'an Jiaotong University  Master of Engineering
September,1987--June,1991 Xi'an Jiaotong University      Bachelor of Science

Doctor

Doctor of engineering

1.September,1987---July,1991 majoring in refrigeration equipment and cryogenic technology of dynamic mechanical engineering department in Xi'an Jiaotong University, gaining bachelor's degree;
2.Semptember,1991---August,1993 majoring in refrigeration and cryogenic technology of energy and power engineering department in Xi'an Jiaotong University, gaining master's degree. Research direction: flow characteristic of cryogenic heat exchanger. Owing to superior performance, awarded school miyoshi outstanding graduate,Daxie Chen scholarship and specializing in  doctoral degree directly;
3.September,1993---July,1996 majoring in heat engineering of power engineering state key laboratory of multiphase flow in Xi'an Jiaotong University, gaining doctoral degree with 505 scholarship for distinguished doctors.

1.July,1996---July,1998  Joint training postdoctor of mechanics institute of Chinese academy of sciences and cryogenic center of Chinese academy of sciences. Research Direction: Theoretical and experimental research of pulse tube refrigerator. 
2.August,1998---March,2000  Associate researcher of cryogenic center of Chinese academy of sciences. Research direction: Developing practical pulse tube refrigerator.
3.April,2000---September,2004 Visiting scholar of applied physics institute of University of Giessen in Germany.  Research Direction: The research of high frequency pulse tube refrigerator of stirling type.
4.September,2004---persent  The researcher of the project“introducing the foreign outstanding talents”in the technical institute of physics and chemistry of Chinese academy of sciences. Research Direction: The theoretical、experimental and relevant applied research of pulse tube refrigerator.

October,2004---present The researcher of the technical institute of physics and chemistry of Chinese academy of sciences.

1.Pulse tube cooling device for cooling satellite communication station former filter, Invention, 2010, The first author, Patent number: 98120511.9
2.Multi-bypass pulse tube cooling system, Invention, 2011, The first author, Patent number: 200910089796.1
3.The cooling liquidation process and equipment for high and low temperature switching valve type pulse tube expansion machine, Invention,2009, The first author, Patent number: 96114013.5
4.A method of drying solid material and system, Invention, 2011, The first author, Patent number: 200910241379.4
5.A thermal compressor system, Invention, 2012, The first author, Patent number: KHP10113796.8
6.A rotational flow separator and its method of separation to realize separation of cavitation for sulution, Invention, 2016, The first author, Patent number: 201110113085.0

7.A system and method for mechanical vapor recompression continuous evaporation crystallization, Invention, 2015, The third author, Patent number: 201210516516.2
8.High frequency pulse tube refrigerator, Invention, 2015, The first author, Patent number: 201110439237.6
9.Solar heat pump joint sludge drying system and method, Invention, 2014, The second author, Patent number: 201210194963.0
10.Gas coupled type multistage pulse tube refrigerator, Invention, 2016, The first author, Patent number: 201210362467.1
11.Heat pump drying system of agricultural products with waste heat recovery, Invention, 2016, The second author, Patent number: 201310064442.8
12.The method of cold storage and the pulse tube refrigeration system applying the method, 2016, The second author, Patent number: 20130084362.9
13.A radiation cooling type pulse tube refrigeration system, Invention, 2012, The first author, Patent number: 200810102085.9
14.A method of drying solid material and system, Invention, 2013, The first author, Patent number: 200910241379.4

15.The greenhouse type of solar energy heat pump joint drying device and method, Invention, 2015, The first author, Patent number: 201110114309.X
16.A sludge's flipping conveyer device and a method for drying sludge, Invention, 2014, The third author, Patent number: 201110113075.7
17.The greenhouse type of solar energy heat pump joint drying device and method. Invention, 2015, The third author, Patent number: 201110114354.5
18. Sludge drying system of combined solar energy and multi-connected heat pump, Invention, 2014, The first author, Patent number: 201110401600.5
19. Sludge drying system of combined solar energy and multi-heat-source heat pump, Invention, 2014, The first author, Patent number: 201110401579.9
20.A refrigerating system for mine rescue capsule, Invention, 2016, The first author, Patent number: 201210177334.7

21.Solar sludge drying systematic device, Invention, 2015, The second author, Patent number: 201210223935.7
22.Mechanical vapor recompresion heat pump MVR sludge drying system, Invention, 2015, The first author, Patent number: 201210370957.6
23.A heat pump device realizing two types of evaporation model--climbing film and falling film, Invention, 2015, The second author, Patent number: 201210577059.8
24.A MVR heat pump evaporation system, Invention, 2015, The third author, Patent number: 201210592964.0
25.A positive-displacement compressor MVR heat pump evaporation system with adjustable working condition of compression ratio, Invention, 2015, The third author, Patent number: 201310103497.5
26.A mechanical vapor recompressor heat pump, Utility model, 2015, The second author, Patent number: 201520421180.0
27.A evaporating system at low temperature, Utility model, 2016, The second author, Patent number: 201520986889.5

28.A mechanical vapor recompression system, Utility model, 2016, The second author, Patent number: 201520984771.9
29.An ice thermal storage system for refuge chamber or rescue capsule without electricity, Invention, 2015, The second author, Patent number: 201210054183.6
30.A turning machine, Invention, 2014, The third author, Patent number: 201210260596.X
31.A mine rescue capsule, Invention, 2015, The first author, Patent number: 201110329402.2
32.A sludge drying system for combined solar energy and heat pump, Utility model, Patent number:201220280039.X
33.Cryogenic liquid air energy storage system, Utility model, 2016, The fourth author, Patent number:  201520996513.2
34.Liquid precooling medium cool storage system, Utility model, 2016, The fourth author, Patent number:  201520996873.2
35.A mixed cool storage system based on liquid and solid liquid working medium, Utility model, 2016, The fourth author, Patent number: 201620108418.9
36.A multistage gradient phase change cool storage tank, Utility model, 2016, The fourth author, Patent number: 201620108430.X
37.A closed heat pump drying system, Utility model, 2016, The first author, Patent number: 201520871737.0

（1） CFD investigation on characteristics of oscillating flow and heat transfer in 3D pulse tube, International Journal of Heat & Mass Transfer, 2015, The third author.
（2） Performance analysis of a single-stage scroll compressor used in a drying heat pump over a wide condensing temperature range (30–80°C), Science China Technological Sciences, 2014, Correspongding author.
（3） Study on open-cycle carbon dioxide refrigerator for movable mine refuge chamber, Applied Thermal Engineering, 2013, Correspongding author.
（4） Operation Characteristic of a Mechanical Vapor Recompression Heat Pump Driven by a Centrifugal Fan, Advanced Materials Research, 2013, Correspongding author.
（5） Theoretical and Experimental Study on the Falling-Film Evaporator Applied to Mechanical Vapor Compression, Advanced Materials Research, 2013, Correspongding author.
（6） Study of Wood Drying with Two-Stage Compression High Temperature Heat Pump, Advance Journal of Food Science & Technology, 2013, The third author.
（7） LBM numerical study on oscillating flow and heat transfer in porous media, Applied Thermal Engineering, 2013, Correspongding author.
（8） High frequency pulse tube cryocooler with nonmetallic cold head, International Journal of Refrigeration, 2013, The third author.
（9） Theoretical and experimental research on thermal compressor, Journal of Engineering Thermophysics, 2011, Correspongding author.
（10） Performances investigation of two parallel PTCs driven by one linear compressor, International J. of Refrigeration, 2010, Correspongding author.
（11） single-stage high frequency coaxial pulse tube cryocooler with base temperature below 30K, Cryogenics, 2010, The first author.
（12） The analysis of dispacement of tiny gas group of super high frequency pulse tube, Journal of Engineering Thermophysics, 2010, The third author.
（13） High frequency two-stage pulse tube cryocooler with base temperature below 20K, Cryogenics, 2005, The first author.
（14） Medium-size pulse tube coolers with linear compressor, Advances in Cryogenic Engineering, 2002, The first author.
（15） Development of Stirling-type pulse tube coolers driven by commercial linear compressors , Infrared Technology and Applications XXVIII, 2002, The first author.
（16）  Development of co-axial pulse tube cooler for HTS application, Cryocoolers13, 2005 Shuttle loss in pulse tube, Cryocooersl1, 2001, The first author.
（17）  DC flow analysis and second orifice version pulse tube refrigerator, Cryogenics, 1999, The first author.
（18）  Analytical study the performance of pulse tube refrigerator with symmetry-nozzle, Cryogenics, 1999, The first author.

1. Research on energy transmission and transformation mechanism in cryogenic alternating flow cooling system;
2. Research on alternating flow and thermal performance in extremely low temperature road multi-bypass high frequency pulse tube refrigerator;
3. Research on key technology and demonstration of sludge solar energy heat pump drying;
4. Solar energy storage and high-temperature heat pump;
5. Vapor recompression industrial energy-saving heat pump.

1.Research on energy transmission and transformation mechanism in cryogenic alternating flow cooling system, Leader, National level, January, 2009--December, 2012

2.Research on alternating flow and thermal performance in extremely low temperature multi-bypass high frequency pulse tube refrigerator, Leader, National level, January, 2011--December, 2013

3.Research on key technology and demonstration of sludge solar energy heat pump drying, Participation, National level, January, 2011--Janury, 2013

4.Research on drying technology of solar energy heat pump agricultural products, Leader, National level, January, 2013--December, 2015

5.Research and industrialization of complete equipment of high concentration effluent waste heat vapor recycling heat pump, Leader, National level, January, 2012--December, 2015

6.Industrialization of high efficiency and energy-saving evaporation equipment for high concentration and high salt waste water, Participation, National level, January, 2014--December, 2016

​Students having been guided

Xinjie Chang         01  19231 

Qunte Dai             02  19231 

Xiaohua Wu          01  19231 

Chuanqi Wang     02  19231 

Jun lv                    01  19231 

Chong Zhang       02  19577 

Wenye Lin            02  19231 

Weike Pang          01  19231 

Junling Yang        01  19231 

Liwei Wang          02  63219 

Juan Wei              01  19231 

Yun Wu                02  19231 

Chao Wang          02  19227 

Students being guided

Daqing Li              01  19231 

Chao Hou             02  19227 

Jiaxiang Chen       01  19227 

Jingxuan Zhou     02  19227 

Meizhi He            01  19231 

Cheng Xie            02  19227 

Ming He               02  19227 

Bo Li                     01  19227 

Chong Zhang       01  19227