上海交通大学：《制冷原理与技术》课程教学资源（课件讲义）ADSORPTION REFRIGERATION（英文版）

ADSORPTION REFRIGERATION WANG RUZhu SJTU-IRC

ADSORPTION REFRIGERATION WANG Ruzhu SJTU-IRC

d1. Solid sorption concepts 争值 4 制 Adsorption Adsorptive 冷 adsorbent-adsorbate Physical adsorption Tragergas 原 zeolite-water, silica gel-water 理 activated carbon mmmmm methanol/ammonia (endotherm) 与 Chemical adsorption 技 Cacl2-ammonia, Metal hydride Adsorbat 术 hydrogen 4 Adsorbe 23、 4命

制 冷 原 理 与 技 术 1.Solid sorption concepts zAdsorption adsorbent-adsorbate z Physical adsorption zeolite-water, silica gel-water, activated carbon￾methanol/ammonia z Chemical adsorption CaCl2-ammonia, Metal hydride￾hydrogen

a Structure of adsorbent-zeolite 制 冷 争 原 理 Magn Det WD Exp 250K30862SE13824X052A 与 技 术 4 4命

制 冷 原 理 与 技 术 Structure of adsorbent-zeolite

2 Adsorption isobars, isotherms and isoteric 制 冷 x2=( 争 原 Adsorption system 理 与 x= f e Isotherms 技 术 X=f( Isobars 04 p=f(7 X Isotersis° 4命

制 冷 原 理 与 技 术 2、Adsorption isobars,isotherms and isotersis x fpT ∞ = ( , ) Adsorption system x fp( ) ∞ T = x fT( ) ∞ p = p fT( )x = Isotherms Isobars Isotersis

1000 p T -Ix diagram 100 日 z005 (b) Activated carbon-methanol 1000 020406080100120140 Tc) 100 (a)Activated carbon fibre-methano1 不02 Fig2-135 020406080100120140 TC

0 20 40 60 80 100 120 140 1000 100 10 1 0.05 0.1 0.6 0 20 40 60 80 100 120 140 1000 100 10 1 0.02 0.26 (a)Activated carbon fibre-methanol Fig.2-135 p-T-x diagram (b) Activated carbon-methanol

u200ux0 DIAGONAL LINES REPRESENT CONSTANT LiBr MASS FRACTION 9.10 CRYSTALLIZATION LINE TEMPERATURE Fig 2-151 p-T-x diagram of LiBr-water Single effect

Fig.2-151 p-T-x diagram of LiBr-water Single effect

X e P c conc ToC g Fig.2-137: Adsorption Isobars Adsorption:Ta、Pe; Desorption:Tg、Pc

Pe Pc x T, oC xconc xdil Ta Tg Fig.2-137: Adsorption Isobars Adsorption：Ta、Pe; Desorption: Tg、Pc

3 Adsorption Refrigeration Cy C⊥e= 1, Adsorption refrigeration working,5 制 pair 冷 Physical adsorption . 4122 原 zeolite-water, silica gel-water, activated 理 carbon-methanol/ammonia. 与 Chemical adsorption 技 CaCl-ammonia, Metal hydride-hydI hydrogen 术 04 4命

制 冷 原 理 与 技 术 3、Adsorption Refrigeration Cycle 1、Adsorption refrigeration working pair ƒPhysical adsorption zeolite-water, silica gel-water, activated carbon-methanol/ammonia ƒChemical adsorption CaCl2-ammonia, Metal hydride-hydrogen

3 Adsorption refrigeration Cycle (1) Basic Cycle 太阳能 冷凝器 口贮液器 节流管 吸附器 真空阀 蒸发冰箱箱体 Fig. 2-154 Solar ice maker based on basic cycle

3、Adsorption Refrigeration Cycle （1）Basic Cycle Fig.2-154 Solar ice maker based on basic cycle

Inp 饱和制冷剂 Xconc Adil cond Eva 4 c a g l/T(1/K) Fig 2-155 P-T-x diagram of adsorption refrigeration cycle

lnP Pc Pe Qcond Qg Qeva Qad Qh Qc 5 6 14 2 3 Te Tc Ta Tg Ta Tg2 -1/T(1/K) 饱和制冷剂 Xconc Xdil Fig.2-155 P-T-x diagram of adsorption refrigeration cycle