Novel ammonia sorbents "porous matrix modified by active salt" for adsorptive heat transformation: 3. Testing of "BaCl2/vermiculite" composite in a lab-scale adsorption chiller

被引:67
作者
Veselovskaya, J. V. [1 ]
Critoph, R. E. [2 ]
Thorpe, R. N. [2 ]
Metcalf, S. [2 ]
Tokarev, M. M. [1 ]
Aristov, Yu. I. [1 ]
机构
[1] Russian Acad Sci, Siberian Div, Boreskov Inst Catalysis, Novosibirsk 630090, Russia
[2] Univ Warwick, Sch Engn, Coventry CV4 7AL, W Midlands, England
关键词
Ammonia; Barium chloride; Expanded vermiculite; Composite material; Adsorption; Refrigeration; ICE MAKER; ADSORBENT; REACTORS; CACL2; PUMPS;
D O I
10.1016/j.applthermaleng.2010.01.035
中图分类号
O414.1 [热力学];
学科分类号
摘要
A composite adsorbent composed of BaCl2 impregnated into expanded vermiculite has been synthesized and tested in a laboratory scale adsorption chiller. Previous work has established the promising theoretical performance of this adsorbent with ammonia as a refrigerant, in terms of equilibrium uptake, suitable equilibrium temperatures for use in air conditioning applications and good reaction dynamics. Analysis of the adsorption phase revealed a simple exponential approach to equilibrium uptake which was not previously observed in larger scale experiments. It was demonstrated that this material can provide effective operation of the chiller using a low potential heat source (80-90 degrees C) giving COP as high as 0.54 +/- 0.01 and SCP ranging from 300 to 680 W/kg,. The specific cooling power depends strongly on the driving temperature difference and the cycle duration. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码:1188 / 1192
页数:5
相关论文
共 15 条
[1]  
[Anonymous], 1973, Langes Handbookof Chemistry
[2]   A new methodology of studying the dynamics of water sorption/desorption under real operating conditions of adsorption heat pumps: Experiment [J].
Aristov, Yu. I. ;
Dawoud, B. ;
Glaznev, I. S. ;
Elyas, A. .
INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER, 2008, 51 (19-20) :4966-4972
[3]   Optimal adsorbent for adsorptive heat transformers: Dynamic considerations [J].
Aristov, Yuriy I. .
INTERNATIONAL JOURNAL OF REFRIGERATION-REVUE INTERNATIONALE DU FROID, 2009, 32 (04) :675-686
[4]   OPTIMIZATION OF A CHEMICAL HEAT-PUMP - ENERGETIC DENSITY AND POWER [J].
BALAT, M ;
SPINNER, B .
HEAT RECOVERY SYSTEMS & CHP, 1993, 13 (03) :277-285
[5]  
CRITOPH RE, 2008, Patent No. 2008029185
[6]   The effect of cycle boundary conditions and adsorbent grain size on the water sorption dynamics in adsorption chillers [J].
Glaznev, I. S. ;
Aristov, Yu I. .
INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER, 2010, 53 (9-10) :1893-1898
[7]  
Sharonov VE, 2006, INT J LOW-CARBON TEC, V1, P191
[8]   A new analytical model for solid-gas thermochemical reactors based on thermophysical properties of the reactive medium [J].
Stitou, D ;
Goetz, V ;
Spinner, B .
CHEMICAL ENGINEERING AND PROCESSING-PROCESS INTENSIFICATION, 1997, 36 (01) :29-43
[9]   Novel ammonia sorbents "porous matrix modified by active salt" for adsorptive heat transformation: 2. Calcium chloride in ACF felt [J].
Tokarev, M. M. ;
Veselovskaya, J. V. ;
Yanagi, H. ;
Aristov, Yu. I. .
APPLIED THERMAL ENGINEERING, 2010, 30 (8-9) :845-849
[10]  
Touzain P, 1999, P INT SORPT HEAT PUM