SynopsisSimplified expressions for average pressure distribution around a partially penetrating well under steady state of flow in an artesian aquifer (that is aquifer confined between two impermeable strata) are approximated for small and large values of radial distance from the well centre. Equations are developed for computing discharge for small groups of partially penetrating wells having different well arrangements within circular exterior boundary. Explicit expressions for the discharge and the interference effects are presented in terms of relatively simple parameters. The results are compared with those of the case of complete penetration. Analytical results are tested with experimental values obtained by three-dimensional continuous electrical analog models. Results of numerical examples for infinite sets of wells, placed in an array within rectangular exterior boundary, are compared with CHARNYI'S and with MANSUR and KAUFMAN'S approach and SEGAL'S analytical work, and close agreement in values is observed.
RésuméL'auteur propose des expressions approximatives simplifiées définissant la repartition moyenne des charges autour d'un puits en régime d'écoulement continu, et penetrant dans une nappe artésienne, (nappe captive entre 2 horizons imperméables) en fonction de la distance radiale du centre du puits. II développe des equations permettant de calculer les debits correspondant a des puits de différentes dispositions constituant de petits groupes a l'intérieur d'une limite extérieure de forme circulaire. Il présente des relations explicites définissant les debits et les phéno-mènes d'interaction entre les puits, en fonction d'un certain nombre de paramètres relativement simples, et il confronte les résultats obtenus avec ceux correspondant a un puits penetrant totalement dans la couche aquifère. Vient ensuite la verification des résultats analytiques, a la lumière des valeurs expérimen-tales fournies par des modèles analogiques électriques tri-dimensionnels et continus. Enfin, l'auteur confronte les résultats numéri-ques correspondant a des ensembles de puits infinis, disposes a l'intérieur d'une limite
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