甲烷和天然气的az与bz值

滞止温度/K

滞止压力/MPa

0

0.69

1.38

2.07

2.76

3.45

4.14

4.825

5.12

6.20

6.90

az

250

256

261

267

272

0

0

0

0

0

-0.0252

-0.0234

-0.0218

-0.0203

-0.0190

-0.0530

-0.0490

-0.0454

-0.0422

-0.0393

-0.0837

-0.0770

-0.0710

-0.0657

-0.0610

-0.1179

-0.1078

-0.0989

-0.0911

-0.0842

-0.1561

-0.1417

-0.1293

-0.1184

-0.1089

-0.1988

-0.1790

-0.1622

-0.1478

-0.1353

-0.2464

-0.2199

-0.1978

-0.1791

-0.1631

-0.2991

-0.2644

-0.2360

-0.2123

-0.1923

-0.3564

-0.3118

-0.2762

-0.2469

-0.2225

-0.4162

-0.3610

-0.3175

-0.2823

-0.2532

278

283

289

294

300

0

0

0

0

0

-0.0178

-0.0166

-0.0156

-0.0147

-0.0138

-0.0366

-0.0342

-0.0321

-0.0301

-0.0283

-0.0567

-0.0523

-0.0493

-0.0462

-0.0433

-0.0780

-0.0724

-0.0675

-0.0630

-0.0589

-0.1005

-0.0931

-0.0864

-0.0804

-0.0750

-0.1243

-0.1147

-0.1061

-0.0984

-0.0916

-0.1493

-0.1371

-0.1265

-0.1170

-0.1086

-0.1752

-0.1604

-0.1474

-0.1360

-0.1259

-0.2018

-0.1841

-0.1687

-0.1552

-0.1433

-0.2288

-0.2079

-0.1900

-0.1743

-0.1606

306

311

317

322

328

0

0

0

0

0

-0.0130

-0.0123

-0.0116

-0.0110

-0.0104

-0.0266

-0.0251

-0.0236

-0.0223

-0.0211

-0.0406

-0.0382

-0.0360

-0.0339

-0.0320

-0.0551

-0.0518

-0.0487

-0.0458

-0.0432

-0.0701

-0.0656

-0.0616

-0.0579

-0.0545

0.0854-

-0.0798

-0.0748

-0.0701

-0.0659

-0.1010

-0.0942

-0.0881

-0.0825

-0.0774

-0.1169

-0.1088

-0.1015

-0.0940

-0.0889

-0.1327

-0.1233

-0.1149

-0.1072

-0.1103

0.1485-

-0.1377

-0.1281

-0.1194

-0.1116

333

338

344

350

356

0

0

0

0

0

-0.0099

-0.0094

-0.0089

-0.0085

-0.0081

-0.0200

-0.0190

-0.0180

-0.0171

-0.0162

-0.0303

-0.0287

-0.0272

-0.0258

-0.0245

-0.0408

-0.0385

-0.0365

-0.0346

-0.0323

-0.0514

-0.0485

-0.0458

-0.0434

-0.0411

-0.0621

-0.0585

-0.0552

-0.0522

-0.0494

-0.0728

-0.0685

-0.0646

-0.0610

-0.0577

-0.0835

-0.0785

-0.0739

-0.0697

-0.0658

-0.0941

-0.0883

-0.0831

-0.0783

-0.0739

-0.1045

-0.0980

-0.0921

-0.0867

-0.0818

361

367

372

378

383

389

0

0

0

0

0

0

-0.0077

-0.0073

-0.0070

-0.0067

-0.0064

-0.0061

-0.0154

-0.0147

-0.0140

-0.0134

-0.0128

-0.0122

-0.0223

-0.0221

-0.0211

-0.0201

-0.0192

-0.0183

-0.0311

-0.0296

-0.0281

-0.0268

-0.0255

-0.0242

-0.0390

-0.0370

-0.0352

-0.0334

-0.0318

-0.0303

-0.0468

-0.0444

-0.0422

-0.0401

-0.0381

-0.0363

-0.0546

-0.0517

-0.0491

-0.0466

-0.0443

-0.0421

-0.0623

-0.0589

-0.0559

-0.0530

-0.0503

-0.0479

-0.0698

-0.0660

-0.0625

-0.0593

-0.0563

-0.0535

-0.0772

-0.0730

-0.0691

-0.0654

-0.0621

-0.0589

bz

250

256

261

267

272

1.000

1.000

1.000

1.000

1.000

-0.9891

-0.9899

-0.9906

-0.9912

-0.9918

-0.9880

-0.9796

-0.9810

-0.9824

-0.9836

-0.9667

-0.9692

-0.9714

-0.9734

-0.9753

-0.9552

-0.9585

-0.9616

-0.9644

-0.9659

-0.9434

-0.9478

-0.9518

-0.9553

-0.9586

-0.9315

-0.9370

-0.9419

-0.9463

-0.9503

-0.9195

-0.9261

-0.9320

-0.9373

-0.9420

-0.9075

-0.9152

-0.9221

-0.9283

-0.9339

-0.8955

-0.9044

-0.9124

-0.9195

-0.9259

-0.8837

-0.8938

-0.9028

-0.9109

0.9181

278

283

289

294

300

1.000

1.000

1.000

1.000

1.000

-0.9924

-0.9929

-0.9933

-0.9937

-0.9941

0.9847-

-0.9857

-0.9866

-0.9875

-0.9883

-0.9770

-0.9785

-0.9800

-0.9813

-0.9826

-0.9693

-0.9714

-0.9734

-0.9752

-0.9768

-0.9616

-0.9643

-0.9668

-0.9691

-0.9712

-0.9539

-0.9673

-0.9603

-0.9631

-0.9657

-0.9464

-0.9503

-0.9539

-0.9572

-0.9603

-0.9389

-0.9435

-0.9477

-0.9515

-0.9550

-0.9316

-0.9369

-0.9416

-0.9459

-0.9499

-0.9245

-0.9304

-0.9357

-0.9406

-0.9450

306

311

317

1.000

1.000

1.000

-0.9945

-0.9949

-0.9952

-0.9891

-0.9898

-0.9952

-0.9837

-0.9848

-0.9857

-0.9784

-0.9798

-0.9811

-0.9732

-0.9750

-0.9766

-0.9681

-0.9702

-0.9723

-0.9631

-0.9656

-0.9680

-0.9582

-0.9612

-0.9639

-0.9535

-0.9569

-0.9599

-0.9490

-0.9527

-0.9562

322

328

1.000

1.000

-0.9955

-0.9958

-0.9910

-0.9916

-0.9867

-0.9875

-0.9824

-0.9835

-0.9782

-0.9797

-0.9741

-0.9759

-0.9702

-0.9723

-0.9664

-0.9688

-0.9628

-0.9654

-0.9593

-0.9622

333

338

344

350

356

1.000

1.000

1.000

1.000

1.000

-0.9960

-0.9963

-0.9965

-0.9967

-0.9969

-0.9921

-0.9926

-0.9931

-0.9935

-0.9939

-0.9883

-0.9891

-0.9898

-0.9904

-0.9910

-0.9846

-0.9856

-0.9865

-0.9874

-0.9882

-0.9810

-0.9823

-0.9834

-0.9845

-0.9856

-0.9775

-0.9790

-0.9804

-0.9817

-0.9830

-0.9741

-0.9759

-0.9776

-0.9791

-0.9805

-0.9709

-0.9729

-0.9748

-0.9766

-0.9782

-0.9678

-0.9701

-0.9722

-0.9742

-0.9760

-0.9649

-0.9674

-0.9698

-0.9719

-0.9740

361

367

372

378

383

389

1.000

1.000

1.000

1.000

1.000

1.000

-0.9971

-0.9973

-0.9975

-0.9976

-0.9978

-0.9979

-0.9943

-0.9947

-0.9950

-0.9953

-0.9956

-0.9959

-0.9916

-0.9922

-0.9927

-0.9931

-0.9936

-0.9940

-0.9890

-0.9897

-0.9904

-0.9911

-0.9917

-0.9922

0.9865-

-0.9874

-0.9883

-0.9891

-0.9898

-0.9905

0.9841-

-0.9852

-0.9862

-0.9872

-0.9881

-0.9889

0.9819-

-0.9831

-0.9843

-0.9854

-0.9865

-0.9874

-0.9797

-0.9812

-0.9825

-0.9838

-0.9849

-0.9861

-0.9777

-0.9793

-0.9808

-0.9822

-0.9835

-0.9848

-0.9758

-0.9776

-0.9793

-0.9808

-0.9823

-0.9836