Parameter

Symbol

Unit

Value

Injection data

Injection capacity

Q

ml/min

0.2 ~ 10

Temperature of injected acid

Tinj

K

293.15 ~ 383.15

Core property data

Rock type

Limestone

Initial temperature in solid phase

T s 0

K

393.15

Length of core

L

m

5e−2

Diameter of core

H

m

2.5e−2

Density of solid phase

ρs

kg/m3

2400

Average porosity

φ0

0.2

Average permeability

K0

mD

10

Average pore radius

rp0

m

1e−6

Average interfacial area

a0

m−1

5000

Thermal conductivity of solid phase

kes

W/(m・K)

5.2

Heat capacity of solid phase

CPs

J/(kg・K)

999

Acid property data

Acid strength

Cf

mol/L

4.4

Acid viscosity

μ

mPa・s

3.6

Acid density

ρf

Kg/m3

1080

Thermal conductivity of acid phase

kef

W/(m・K)

0.6508

Heat capacity of acid phase

CPf

J/(kg・K)

4180